$C
CITIGROUP INC Stock $c

$c Overview Financials Valuation SEC Filings Company Website

2019 Q1 Form 10-Q Financial Statement

#000083100119000033 Filed on April 30, 2019

Income Statement

Concept	2019 Q1	2018 Q1
Revenue	$18.58B	$18.87B
YoY Change	-1.57%	2.76%
Cost Of Revenue	$1.980B	$1.857B
YoY Change	6.62%	6090.0%
Gross Profit	$16.60B	$17.02B
YoY Change	-2.46%	-7.2%
Gross Profit Margin	89.34%	90.16%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$1.720B	$1.758B
YoY Change	-2.16%	5.71%
% of Gross Profit	10.36%	10.33%
Depreciation & Amortization	$931.0M	$926.0M
YoY Change	0.54%	3.35%
% of Gross Profit	5.61%	5.44%
Operating Expenses	$1.720B	$1.758B
YoY Change	-2.16%	5.71%
Operating Profit	$14.88B	$15.26B
YoY Change	-2.5%	-8.49%
Interest Expense	$7.317B	$5.160B
YoY Change	41.8%	44.7%
% of Operating Profit	49.19%	33.82%
Other Income/Expense, Net	$126.0M	$381.0M
YoY Change	-66.93%	53.63%
Pretax Income	$6.012B	$6.090B
YoY Change	-1.28%	1.82%
Income Tax	$1.275B	$1.441B
% Of Pretax Income	21.21%	23.66%
Net Earnings	$4.710B	$4.620B
YoY Change	1.95%	12.96%
Net Earnings / Revenue	25.36%	24.48%
Basic Earnings Per Share	$1.88	$1.68
Diluted Earnings Per Share	$1.87	$1.68
COMMON SHARES
Basic Shares Outstanding	2.340B shares	2.562B shares
Diluted Shares Outstanding	2.342B shares	2.563B shares

Balance Sheet

Concept	2019 Q1	2018 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$205.9B	$202.7B
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$4.100B
YoY Change
Goodwill	$22.04B	$22.66B
YoY Change	-2.75%	1.77%
Intangibles	$5.196B	$4.450B
YoY Change	16.76%	-11.23%
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$1958B	$1922B
YoY Change	1.89%	5.51%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$62.66B	$69.69B
YoY Change	-10.09%	16.81%
Accrued Expenses	$4.100B
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$39.32B	$36.09B
YoY Change	8.94%	38.15%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$66.76B	$69.69B
YoY Change	-4.2%	16.81%
LONG-TERM LIABILITIES
Long-Term Debt	$233.1B	$222.2B
YoY Change	4.87%	18.07%
Other Long-Term Liabilities	$191.0B	$202.5B
YoY Change	-5.69%	1.3%
Total Long-Term Liabilities	$424.1B	$424.8B
YoY Change	-0.16%	9.43%
TOTAL LIABILITIES
Total Short-Term Liabilities	$66.76B	$69.69B
Total Long-Term Liabilities	$424.1B	$424.8B
Total Liabilities	$1761B	$1719B
YoY Change	2.45%	7.96%
SHAREHOLDERS EQUITY
Retained Earnings	$154.9B	$141.9B
YoY Change	9.16%	-5.25%
Common Stock	$31.00M	$31.00M
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$47.86B	$32.12B
YoY Change	49.03%	82.69%
Treasury Stock Shares	787.1M shares	549.6M shares
Shareholders Equity	$196.3B	$201.9B
YoY Change
Total Liabilities & Shareholders Equity	$1958B	$1922B
YoY Change	1.89%	5.52%

Cashflow Statement

Concept	2019 Q1	2018 Q1
OPERATING ACTIVITIES
Net Income	$4.710B	$4.620B
YoY Change	1.95%	12.96%
Depreciation, Depletion And Amortization	$931.0M	$926.0M
YoY Change	0.54%	3.35%
Cash From Operating Activities	-$37.62B	$6.956B
YoY Change	-640.77%	-327.92%
INVESTING ACTIVITIES
Capital Expenditures	$518.0M	$969.0M
YoY Change	-46.54%	23.28%
Acquisitions
YoY Change
Other Investing Activities	-$38.00M	-$49.00M
YoY Change	-22.45%	6.52%
Cash From Investing Activities	$16.04B	-$32.12B
YoY Change	-149.94%	-1127.97%
FINANCING ACTIVITIES
Cash Dividend Paid	$1.320B	$1.095B
YoY Change	20.55%	47.18%
Common Stock Issuance & Retirement, Net	$4.055B	$2.378B
YoY Change	70.52%	27.99%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	39.54B	47.36B
YoY Change	-16.52%	147.48%
NET CHANGE
Cash From Operating Activities	-37.62B	6.956B
Cash From Investing Activities	16.04B	-32.12B
Cash From Financing Activities	39.54B	47.36B
Net Change In Cash	$17.79B	$22.19B
YoY Change	-19.83%	15.5%
FREE CASH FLOW
Cash From Operating Activities	-$37.62B	$6.956B
Capital Expenditures	$518.0M	$969.0M
Free Cash Flow	-$38.13B	$5.987B
YoY Change	-736.95%	-255.99%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2019Q1	c	Non Marketable Equity Securities Impairment Recognized In Earnings NonMarketableEquitySecuritiesImpairmentRecognizedInEarnings	0	USD
CY2018Q4	c	Number Of Trust Funded By Reinsurer NumberOfTrustFundedByReinsurer	2	trust
CY2019Q1	c	Securitiesand Other Marketable Assets Heldas Collateral SecuritiesandOtherMarketableAssetsHeldasCollateral	52000000000	USD
CY2018Q4	c	Trust Preferred Securities Carrying Value TrustPreferredSecuritiesCarryingValue	1700000000	USD
CY2019Q1	dei	Amendment Flag AmendmentFlag	false
CY2018Q4	c	Long Term Care Insurance Indemnification Liability LongTermCareInsuranceIndemnificationLiability	0	USD
CY2019Q1	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019Q1	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2019Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000831001
CY2019Q1	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019Q1	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019Q1	dei	Entity Registrant Name EntityRegistrantName	CITIGROUP INC
CY2019Q1	dei	Entity Small Business EntitySmallBusiness	false
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	6000000000	shares
CY2019Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	6000000000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	3099567177	shares
CY2019Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	3099601505	shares
CY2018Q4	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	9289000000	USD
CY2019Q1	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	13140000000	USD
CY2018Q4	us-gaap	Debt Securities Trading Restricted DebtSecuritiesTradingRestricted	112932000000	USD
CY2019Q1	us-gaap	Debt Securities Trading Restricted DebtSecuritiesTradingRestricted	125102000000	USD
CY2018Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	1109000000	USD
CY2019Q1	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	1012000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Restricted HeldToMaturitySecuritiesRestricted	971000000	USD
CY2019Q1	us-gaap	Held To Maturity Securities Restricted HeldToMaturitySecuritiesRestricted	986000000	USD
CY2019Q1	us-gaap	Lessee Operating Lease Term Of Contract LesseeOperatingLeaseTermOfContract	P9Y
CY2018Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	4297000000	USD
CY2019Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	4389000000	USD
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	4100000000	USD
CY2019Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.035
CY2018Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2019Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2018Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	30000000	shares
CY2019Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	30000000	shares
CY2018Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	738400	shares
CY2019Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	719200	shares
CY2018Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	731099833	shares
CY2019Q1	us-gaap	Treasury Stock Shares TreasuryStockShares	787133784	shares
CY2019Q1	dei	Document Type DocumentType	10-Q
CY2019Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	19076000000	USD
CY2018Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	16332000000	USD
CY2019Q1	c	Commissions And Fees CommissionsAndFees	2926000000	USD
CY2019Q1	us-gaap	Interest Expense InterestExpense	7317000000	USD
CY2018Q1	us-gaap	Interest Expense InterestExpense	5160000000	USD
CY2019Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	11759000000	USD
CY2018Q1	c	Commissions And Fees CommissionsAndFees	3030000000	USD
CY2019Q1	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	2804000000	USD
CY2019Q1	dei	Document Period End Date DocumentPeriodEndDate	2019-03-31
CY2019Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	2312467721	shares
CY2018Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	11172000000	USD
CY2018Q1	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	3242000000	USD
CY2019Q1	c	Administration And Other Fiduciary Fees AdministrationAndOtherFiduciaryFees	839000000	USD
CY2018Q1	c	Administration And Other Fiduciary Fees AdministrationAndOtherFiduciaryFees	905000000	USD
CY2019Q1	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	130000000	USD
CY2018Q1	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	170000000	USD
CY2019Q1	c	Impairment Of Investments And Equity Method Investment Other Than Temporary Impairment ImpairmentOfInvestmentsAndEquityMethodInvestmentOtherThanTemporaryImpairment	8000000	USD
CY2018Q1	c	Impairment Of Investments And Equity Method Investment Other Than Temporary Impairment ImpairmentOfInvestmentsAndEquityMethodInvestmentOtherThanTemporaryImpairment	28000000	USD
CY2019Q1	c	Otherthan Temporary Impairment Losses Investments Portion Recognizedin Earnings Net Equity Method Investment Otherthan Temporary Impairment And Investment Impairment Measurement Alternative OtherthanTemporaryImpairmentLossesInvestmentsPortionRecognizedinEarningsNetEquityMethodInvestmentOtherthanTemporaryImpairmentAndInvestmentImpairmentMeasurementAlternative	8000000	USD
CY2018Q1	c	Otherthan Temporary Impairment Losses Investments Portion Recognizedin Earnings Net Equity Method Investment Otherthan Temporary Impairment And Investment Impairment Measurement Alternative OtherthanTemporaryImpairmentLossesInvestmentsPortionRecognizedinEarningsNetEquityMethodInvestmentOtherthanTemporaryImpairmentAndInvestmentImpairmentMeasurementAlternative	28000000	USD
CY2019Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	126000000	USD
CY2018Q1	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	381000000	USD
CY2019Q1	us-gaap	Noninterest Income NoninterestIncome	6817000000	USD
CY2018Q1	us-gaap	Noninterest Income NoninterestIncome	7700000000	USD
CY2019Q1	us-gaap	Revenues Revenues	18576000000	USD
CY2018Q1	us-gaap	Revenues Revenues	18872000000	USD
CY2019Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1944000000	USD
CY2018Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1803000000	USD
CY2019Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	12000000	USD
CY2018Q1	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	26000000	USD
CY2019Q1	c	Provision Charged Or Release For Unfunded Lending Commitments Other Net ProvisionChargedOrReleaseForUnfundedLendingCommitmentsOtherNet	24000000	USD
CY2018Q1	c	Provision Charged Or Release For Unfunded Lending Commitments Other Net ProvisionChargedOrReleaseForUnfundedLendingCommitmentsOtherNet	28000000	USD
CY2019Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1980000000	USD
CY2018Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1857000000	USD
CY2019Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	5658000000	USD
CY2018Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	5807000000	USD
CY2019Q1	us-gaap	Occupancy Net OccupancyNet	564000000	USD
CY2018Q1	us-gaap	Occupancy Net OccupancyNet	593000000	USD
CY2019Q1	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	1720000000	USD
CY2018Q1	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	1758000000	USD
CY2019Q1	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	359000000	USD
CY2018Q1	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	381000000	USD
CY2019Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2283000000	USD
CY2018Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2386000000	USD
CY2019Q1	us-gaap	Noninterest Expense NoninterestExpense	10584000000	USD
CY2018Q1	us-gaap	Noninterest Expense NoninterestExpense	10925000000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	6012000000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	6090000000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1275000000	USD
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1441000000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4737000000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4649000000	USD
CY2019Q1	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-2000000	USD
CY2018Q1	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-7000000	USD
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-2000000	USD
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-7000000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	4735000000	USD
CY2018Q1	us-gaap	Profit Loss ProfitLoss	4642000000	USD
CY2019Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	25000000	USD
CY2018Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	22000000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	4710000000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	4620000000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.88
CY2018Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.68
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.88
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.68
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2340400000	shares
CY2018Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2561600000	shares
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.87
CY2018Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.68
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.87
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.68
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2342400000	shares
CY2018Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2563000000.0	shares
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	4710000000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	4620000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	1135000000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-1058000000	USD
CY2019Q1	c	Other Comprehensive Income Loss Financial Liabilities Adjustment Excluding Opening Impact Netof Tax OtherComprehensiveIncomeLossFinancialLiabilitiesAdjustmentExcludingOpeningImpactNetofTax	-571000000	USD
CY2018Q1	c	Other Comprehensive Income Loss Financial Liabilities Adjustment Excluding Opening Impact Netof Tax OtherComprehensiveIncomeLossFinancialLiabilitiesAdjustmentExcludingOpeningImpactNetofTax	128000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	286000000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-222000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	64000000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-88000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	58000000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	1120000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease After Adjustments And Tax Parent OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent	18000000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease After Adjustments And Tax Parent OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent	-4000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	862000000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	52000000	USD
CY2019Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	5572000000	USD
CY2018Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	4672000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	-13000000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	14000000	USD
CY2019Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	25000000	USD
CY2018Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	22000000	USD
CY2019Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	5584000000	USD
CY2018Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	4708000000	USD
CY2019Q1	us-gaap	Cash And Due From Banks CashAndDueFromBanks	24448000000	USD
CY2018Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	23645000000	USD
CY2019Q1	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	181445000000	USD
CY2018Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	164460000000	USD
CY2019Q1	us-gaap	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	264495000000	USD
CY2018Q4	us-gaap	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	270684000000	USD
CY2019Q1	c	Brokerage Receivables BrokerageReceivables	44500000000	USD
CY2018Q4	c	Brokerage Receivables BrokerageReceivables	35450000000	USD
CY2019Q1	us-gaap	Trading Securities TradingSecurities	286511000000	USD
CY2018Q4	us-gaap	Trading Securities TradingSecurities	256117000000	USD
CY2019Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	275132000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	288038000000	USD
CY2019Q1	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	66842000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	63357000000	USD
CY2019Q1	c	Non Marketable Equity Securities NonMarketableEquitySecurities	7307000000	USD
CY2018Q4	c	Non Marketable Equity Securities NonMarketableEquitySecurities	7212000000	USD
CY2019Q1	c	Investments Excluding Trading Securities InvestmentsExcludingTradingSecurities	349281000000	USD
CY2018Q4	c	Investments Excluding Trading Securities InvestmentsExcludingTradingSecurities	358607000000	USD
CY2019Q1	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	682346000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	684196000000	USD
CY2019Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12329000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12315000000	USD
CY2019Q1	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	670017000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	671881000000	USD
CY2019Q1	us-gaap	Goodwill Goodwill	22037000000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	22046000000	USD
CY2019Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	5196000000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	5220000000	USD
CY2019Q1	us-gaap	Other Assets OtherAssets	110483000000	USD
CY2018Q4	us-gaap	Other Assets OtherAssets	109273000000	USD
CY2019Q1	us-gaap	Assets Assets	1958413000000	USD
CY2018Q4	us-gaap	Assets Assets	1917383000000	USD
CY2019Q1	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	101354000000	USD
CY2018Q4	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	105836000000	USD
CY2019Q1	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	373339000000	USD
CY2018Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	361573000000	USD
CY2019Q1	us-gaap	Noninterest Bearing Deposit Liabilities Foreign NoninterestBearingDepositLiabilitiesForeign	80594000000	USD
CY2018Q4	us-gaap	Noninterest Bearing Deposit Liabilities Foreign NoninterestBearingDepositLiabilitiesForeign	80648000000	USD
CY2019Q1	us-gaap	Interest Bearing Deposit Liabilities Foreign InterestBearingDepositLiabilitiesForeign	475068000000	USD
CY2018Q4	us-gaap	Interest Bearing Deposit Liabilities Foreign InterestBearingDepositLiabilitiesForeign	465113000000	USD
CY2019Q1	us-gaap	Deposits Deposits	1030355000000	USD
CY2018Q4	us-gaap	Deposits Deposits	1013170000000	USD
CY2019Q1	us-gaap	Carrying Value Of Federal Funds Purchased Securities Sold Under Agreements To Repurchase And Deposits Received For Securities Loaned CarryingValueOfFederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchaseAndDepositsReceivedForSecuritiesLoaned	190372000000	USD
CY2018Q4	us-gaap	Carrying Value Of Federal Funds Purchased Securities Sold Under Agreements To Repurchase And Deposits Received For Securities Loaned CarryingValueOfFederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchaseAndDepositsReceivedForSecuritiesLoaned	177768000000	USD
CY2019Q1	c	Brokerage Payables BrokeragePayables	62656000000	USD
CY2018Q4	c	Brokerage Payables BrokeragePayables	64571000000	USD
CY2019Q1	us-gaap	Trading Liabilities TradingLiabilities	136392000000	USD
CY2018Q4	us-gaap	Trading Liabilities TradingLiabilities	144305000000	USD
CY2019Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	39322000000	USD
CY2018Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	32346000000	USD
CY2019Q1	us-gaap	Long Term Debt LongTermDebt	243566000000	USD
CY2018Q4	us-gaap	Long Term Debt LongTermDebt	231999000000	USD
CY2019Q1	us-gaap	Other Liabilities OtherLiabilities	58735000000	USD
CY2018Q4	us-gaap	Other Liabilities OtherLiabilities	56150000000	USD
CY2019Q1	us-gaap	Liabilities Liabilities	1761398000000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	1720309000000	USD
CY2019Q1	us-gaap	Preferred Stock Value PreferredStockValue	17980000000	USD
CY2018Q4	us-gaap	Preferred Stock Value PreferredStockValue	18460000000	USD
CY2019Q1	us-gaap	Common Stock Value CommonStockValue	31000000	USD
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	31000000	USD
CY2019Q1	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	107551000000	USD
CY2018Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	107922000000	USD
CY2019Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	154859000000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	151347000000	USD
CY2019Q1	us-gaap	Treasury Stock Value TreasuryStockValue	47861000000	USD
CY2018Q4	us-gaap	Treasury Stock Value TreasuryStockValue	44370000000	USD
CY2019Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-36308000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-37170000000	USD
CY2019Q1	us-gaap	Stockholders Equity StockholdersEquity	196252000000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	196220000000	USD
CY2019Q1	us-gaap	Minority Interest MinorityInterest	763000000	USD
CY2018Q4	us-gaap	Minority Interest MinorityInterest	854000000	USD
CY2019Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	197015000000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	197074000000	USD
CY2019Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1958413000000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1917383000000	USD
CY2019Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	197015000000	USD
CY2018Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	202866000000	USD
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.45
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.32
CY2019Q1	us-gaap	Profit Loss ProfitLoss	4735000000	USD
CY2018Q1	us-gaap	Profit Loss ProfitLoss	4642000000	USD
CY2019Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	25000000	USD
CY2018Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	22000000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	4710000000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	4620000000	USD
CY2019Q1	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	-2000000	USD
CY2018Q1	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	-7000000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	4712000000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	4627000000	USD
CY2019Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	931000000	USD
CY2018Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	926000000	USD
CY2019Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1944000000	USD
CY2018Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1803000000	USD
CY2019Q1	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	130000000	USD
CY2018Q1	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	170000000	USD
CY2019Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	8000000	USD
CY2018Q1	us-gaap	Asset Impairment Charges AssetImpairmentCharges	28000000	USD
CY2019Q1	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	30427000000	USD
CY2018Q1	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	16054000000	USD
CY2019Q1	us-gaap	Increase Decrease In Trading Liabilities IncreaseDecreaseInTradingLiabilities	-7913000000	USD
CY2018Q1	us-gaap	Increase Decrease In Trading Liabilities IncreaseDecreaseInTradingLiabilities	18791000000	USD
CY2019Q1	us-gaap	Increase Decrease In Broker Dealer Related Receivables Payables Net IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet	10965000000	USD
CY2018Q1	us-gaap	Increase Decrease In Broker Dealer Related Receivables Payables Net IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet	-155000000	USD
CY2019Q1	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	-1439000000	USD
CY2018Q1	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	-1627000000	USD
CY2019Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	2961000000	USD
CY2018Q1	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	3503000000	USD
CY2019Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2585000000	USD
CY2018Q1	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	1561000000	USD
CY2019Q1	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	-42328000000	USD
CY2018Q1	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	2329000000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	-37616000000	USD
CY2019Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-3161000000	USD
CY2018Q1	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	2835000000	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	6956000000	USD
CY2019Q1	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	6189000000	USD
CY2018Q1	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	-25409000000	USD
CY2019Q1	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	892000000	USD
CY2018Q1	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	8717000000	USD
CY2019Q1	us-gaap	Proceeds From Sale Of Loans And Leases Held For Investment ProceedsFromSaleOfLoansAndLeasesHeldForInvestment	2062000000	USD
CY2018Q1	us-gaap	Proceeds From Sale Of Loans And Leases Held For Investment ProceedsFromSaleOfLoansAndLeasesHeldForInvestment	1654000000	USD
CY2019Q1	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	69673000000	USD
CY2018Q1	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	41030000000	USD
CY2019Q1	c	Proceedsfrom Saleof Investmentsand Other Securities ProceedsfromSaleofInvestmentsandOtherSecurities	31436000000	USD
CY2018Q1	c	Proceedsfrom Saleof Investmentsand Other Securities ProceedsfromSaleofInvestmentsandOtherSecurities	20688000000	USD
CY2019Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	47363000000	USD
CY2018Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	21509000000	USD
CY2019Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	518000000	USD
CY2018Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	969000000	USD
CY2019Q1	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	38000000	USD
CY2018Q1	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	101000000	USD
CY2019Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-38000000	USD
CY2018Q1	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-49000000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	16043000000	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-32124000000	USD
CY2019Q1	us-gaap	Payments Of Dividends PaymentsOfDividends	1320000000	USD
CY2018Q1	us-gaap	Payments Of Dividends PaymentsOfDividends	1095000000	USD
CY2019Q1	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	480000000	USD
CY2018Q1	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	97000000	USD
CY2019Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4055000000	USD
CY2018Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2378000000	USD
CY2019Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	358000000	USD
CY2018Q1	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	475000000	USD
CY2019Q1	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	12604000000	USD
CY2018Q1	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	15482000000	USD
CY2019Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	15552000000	USD
CY2018Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	20769000000	USD
CY2019Q1	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	6568000000	USD
CY2018Q1	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	17882000000	USD
CY2019Q1	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	17186000000	USD
CY2018Q1	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	41397000000	USD
CY2019Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	6976000000	USD
CY2018Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-8358000000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	39537000000	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	47363000000	USD
CY2019Q1	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-176000000	USD
CY2018Q1	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-7000000	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	17788000000	USD
CY2018Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	22188000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	188105000000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	180516000000	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	205893000000	USD
CY2018Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	202704000000	USD
CY2019Q1	us-gaap	Cash And Due From Banks CashAndDueFromBanks	24448000000	USD
CY2018Q1	us-gaap	Cash And Due From Banks CashAndDueFromBanks	21850000000	USD
CY2019Q1	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	181445000000	USD
CY2018Q1	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	180854000000	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	205893000000	USD
CY2018Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	202704000000	USD
CY2019Q1	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1325000000	USD
CY2018Q1	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	738000000	USD
CY2019Q1	us-gaap	Interest Paid Net InterestPaidNet	6931000000	USD
CY2018Q1	us-gaap	Interest Paid Net InterestPaidNet	4586000000	USD
CY2019Q1	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	2000000000	USD
CY2018Q1	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	900000000	USD
CY2019Q1	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	36000000	USD
CY2018Q1	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	26000000	USD
CY2019Q1	us-gaap	Disposal Group Including Discontinued Operation Gross Profit Loss DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss	0	USD
CY2018Q1	us-gaap	Disposal Group Including Discontinued Operation Gross Profit Loss DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss	0	USD
CY2019Q1	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-2000000	USD
CY2018Q1	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-7000000	USD
CY2019Q1	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	0	USD
CY2018Q1	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	0	USD
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-2000000	USD
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-7000000	USD
CY2019Q1	us-gaap	Revenues Revenues	18576000000	USD
CY2018Q1	us-gaap	Revenues Revenues	18872000000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1275000000	USD
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1441000000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4737000000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4649000000	USD
CY2019Q1	us-gaap	Assets Assets	1958000000000	USD
CY2018Q4	us-gaap	Assets Assets	1917000000000	USD
CY2019Q1	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	11969000000	USD
CY2018Q1	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	10892000000	USD
CY2019Q1	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	607000000	USD
CY2018Q1	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	432000000	USD
CY2019Q1	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	1783000000	USD
CY2018Q1	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	1039000000	USD
CY2019Q1	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	2548000000	USD
CY2018Q1	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	2234000000	USD
CY2019Q1	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	1686000000	USD
CY2018Q1	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	1371000000	USD
CY2019Q1	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	483000000	USD
CY2018Q1	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	364000000	USD
CY2019Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	19076000000	USD
CY2018Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	16332000000	USD
CY2019Q1	us-gaap	Interest Expense Deposits InterestExpenseDeposits	3027000000	USD
CY2018Q1	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1997000000	USD
CY2019Q1	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	1589000000	USD
CY2018Q1	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	949000000	USD
CY2019Q1	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	327000000	USD
CY2018Q1	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	215000000	USD
CY2019Q1	us-gaap	Interest Expense Short Term Borrowings Excluding Federal Funds And Securities Sold Under Agreements To Repurchase InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase	652000000	USD
CY2018Q1	us-gaap	Interest Expense Short Term Borrowings Excluding Federal Funds And Securities Sold Under Agreements To Repurchase InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase	471000000	USD
CY2019Q1	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	1722000000	USD
CY2018Q1	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	1528000000	USD
CY2019Q1	us-gaap	Interest Expense InterestExpense	7317000000	USD
CY2018Q1	us-gaap	Interest Expense InterestExpense	5160000000	USD
CY2019Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	11759000000	USD
CY2018Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	11172000000	USD
CY2019Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1944000000	USD
CY2018Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1803000000	USD
CY2019Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	9815000000	USD
CY2018Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	9369000000	USD
CY2019Q1	c	Insurance Fees And Charges InsuranceFeesAndCharges	193000000	USD
CY2018Q1	c	Insurance Fees And Charges InsuranceFeesAndCharges	376000000	USD
CY2019Q1	c	Commissions And Fees CommissionsAndFees	2926000000	USD
CY2018Q1	c	Commissions And Fees CommissionsAndFees	3030000000	USD
CY2019Q1	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	2804000000	USD
CY2018Q1	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	3242000000	USD
CY2019Q1	c	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment For Actuarial Assumption Changes And Plan Experience Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentForActuarialAssumptionChangesAndPlanExperienceBeforeTax	-795000000	USD
CY2018	c	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment For Actuarial Assumption Changes And Plan Experience Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentForActuarialAssumptionChangesAndPlanExperienceBeforeTax	1288000000	USD
CY2019Q1	c	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment For Actual Plan Asset Returns Exceeding Expected Returns Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentForActualPlanAssetReturnsExceedingExpectedReturnsBeforeTax	-690000000	USD
CY2018	c	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment For Actual Plan Asset Returns Exceeding Expected Returns Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentForActualPlanAssetReturnsExceedingExpectedReturnsBeforeTax	1732000000	USD
CY2019Q1	c	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	62000000	USD
CY2018	c	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	214000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	7000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	7000000	USD
CY2019Q1	c	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Foreign Exchange Impact And Other Adjustments Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansForeignExchangeImpactAndOtherAdjustmentsBeforeTax	25000000	USD
CY2018	c	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Foreign Exchange Impact And Other Adjustments Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansForeignExchangeImpactAndOtherAdjustmentsBeforeTax	-136000000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	20000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	4000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	64000000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	74000000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4737000000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4649000000	USD
CY2019Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	25000000	USD
CY2018Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	22000000	USD
CY2019Q1	c	Income Loss From Continuing Operation After Noncontrolling Interest IncomeLossFromContinuingOperationAfterNoncontrollingInterest	4712000000	USD
CY2018Q1	c	Income Loss From Continuing Operation After Noncontrolling Interest IncomeLossFromContinuingOperationAfterNoncontrollingInterest	4627000000	USD
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-2000000	USD
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-7000000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	4710000000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	4620000000	USD
CY2019Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	262000000	USD
CY2018Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	272000000	USD
CY2019Q1	c	Income Loss Available To Common Stockholders IncomeLossAvailableToCommonStockholders	4448000000	USD
CY2018Q1	c	Income Loss Available To Common Stockholders IncomeLossAvailableToCommonStockholders	4348000000	USD
CY2019Q1	c	Income Allocated To Employee Restricted And Deferred Shares That Contain Nonforfeitable Rights To Dividends IncomeAllocatedToEmployeeRestrictedAndDeferredSharesThatContainNonforfeitableRightsToDividends	59000000	USD
CY2018Q1	c	Income Allocated To Employee Restricted And Deferred Shares That Contain Nonforfeitable Rights To Dividends IncomeAllocatedToEmployeeRestrictedAndDeferredSharesThatContainNonforfeitableRightsToDividends	51000000	USD
CY2019Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4389000000	USD
CY2018Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4297000000	USD
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2340400000	shares
CY2018Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2561600000	shares
CY2019Q1	us-gaap	Incremental Common Shares Attributable To Written Put Options IncrementalCommonSharesAttributableToWrittenPutOptions	100000	shares
CY2018Q1	us-gaap	Incremental Common Shares Attributable To Written Put Options IncrementalCommonSharesAttributableToWrittenPutOptions	100000	shares
CY2019Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1900000	shares
CY2018Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1300000	shares
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2342400000	shares
CY2018Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2563000000.0	shares
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.88
CY2018Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.68
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.88
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.68
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.87
CY2018Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.68
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.87
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.68
CY2019Q1	us-gaap	Schedule Of Resale Agreements ScheduleOfResaleAgreements	Federal funds sold and securities borrowed and purchased under agreements to resell<span style="font-family:inherit;font-size:10pt;">, at their respective carrying values, consisted of the following:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:51%;"/><td style="width:1%;"/><td style="width:23%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:22%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-style:italic;">In millions of dollars</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">March 31, <br/>2019</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">December 31, 2018</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">Federal funds sold</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>—</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>—</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">Securities purchased under agreements to resell</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>163,382</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>159,364</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">Deposits paid for securities borrowed</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>101,113</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>111,320</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">Total</span><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><sup style="vertical-align:top;line-height:120%;font-size:6pt">(1)</sup></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>264,495</span></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>270,684</span></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div>
CY2019Q1	us-gaap	Federal Funds Sold FederalFundsSold	0	USD
CY2018Q4	us-gaap	Federal Funds Sold FederalFundsSold	0	USD
CY2019Q1	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	163382000000	USD
CY2018Q4	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	159364000000	USD
CY2019Q1	us-gaap	Deposits Paid For Securities Borrowed At Carrying Value DepositsPaidForSecuritiesBorrowedAtCarryingValue	101113000000	USD
CY2018Q4	us-gaap	Deposits Paid For Securities Borrowed At Carrying Value DepositsPaidForSecuritiesBorrowedAtCarryingValue	111320000000	USD
CY2019Q1	us-gaap	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	264495000000	USD
CY2018Q4	us-gaap	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	270684000000	USD
CY2019Q1	us-gaap	Schedule Of Repurchase Agreements ScheduleOfRepurchaseAgreements	Federal funds purchased and securities loaned and sold under agreements to repurchase<span style="font-family:inherit;font-size:10pt;">, at their respective carrying values, consisted of the following:</span><div style="line-height:120%;padding-bottom:13px;text-align:center;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:51%;"/><td style="width:1%;"/><td style="width:23%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:22%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-style:italic;">In millions of dollars</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">March 31, <br/>2019</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">December 31, 2018</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">Federal funds purchased</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>—</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>—</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">Securities sold under agreements to repurchase</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>172,231</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>166,090</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">Deposits received for securities loaned</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>18,141</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>11,678</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">Total</span><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><sup style="vertical-align:top;line-height:120%;font-size:6pt">(1)</sup></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>190,372</span></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>177,768</span></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;font-size:8pt;padding-left:0px;"><span style="font-family:inherit;font-size:8pt;">(1)</span></div><span style="font-family:inherit;font-size:8pt;">The above tables do not include securities-for-securities lending transactions of </span><span style="font-family:inherit;font-size:8pt;"><span>$14.6 billion</span></span><span style="font-family:inherit;font-size:8pt;"> and </span><span style="font-family:inherit;font-size:8pt;"><span>$15.9 billion</span></span><span style="font-family:inherit;font-size:8pt;"> at </span><span style="font-family:inherit;font-size:8pt;">March 31, 2019</span><span style="font-family:inherit;font-size:8pt;"> and December 31, 2018, respectively, where the Company acts as lender and receives securities that can be sold or pledged as collateral. In these transactions, the Company recognizes the securities received at fair value within </span><span style="font-family:inherit;font-size:8pt;font-style:italic;">Other assets</span><span style="font-family:inherit;font-size:8pt;"> and the obligation to return those securities as a liability within </span><span style="font-family:inherit;font-size:8pt;font-style:italic;">Brokerage payables</span>.
CY2019Q1	us-gaap	Federal Funds Purchased FederalFundsPurchased	0	USD
CY2018Q4	us-gaap	Federal Funds Purchased FederalFundsPurchased	0	USD
CY2019Q1	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	172231000000	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	166090000000	USD
CY2019Q1	us-gaap	Deposits Received For Securities Loaned At Carrying Value DepositsReceivedForSecuritiesLoanedAtCarryingValue	18141000000	USD
CY2018Q4	us-gaap	Deposits Received For Securities Loaned At Carrying Value DepositsReceivedForSecuritiesLoanedAtCarryingValue	11678000000	USD
CY2019Q1	us-gaap	Carrying Value Of Federal Funds Purchased Securities Sold Under Agreements To Repurchase And Deposits Received For Securities Loaned CarryingValueOfFederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchaseAndDepositsReceivedForSecuritiesLoaned	190372000000	USD
CY2018Q4	us-gaap	Carrying Value Of Federal Funds Purchased Securities Sold Under Agreements To Repurchase And Deposits Received For Securities Loaned CarryingValueOfFederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchaseAndDepositsReceivedForSecuritiesLoaned	177768000000	USD
CY2019Q1	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	14600000000	USD
CY2018Q4	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	15900000000	USD
CY2019Q1	us-gaap	Securities Purchased Under Agreements To Resell Gross SecuritiesPurchasedUnderAgreementsToResellGross	268095000000	USD
CY2019Q1	us-gaap	Securities Purchased Under Agreements To Resell Liability SecuritiesPurchasedUnderAgreementsToResellLiability	104713000000	USD
CY2019Q1	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	163382000000	USD
CY2019Q1	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnSecurities	129911000000	USD
CY2019Q1	us-gaap	Securities Purchased Under Agreements To Resell Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellAmountOffsetAgainstCollateral	33471000000	USD
CY2019Q1	us-gaap	Securities Borrowed Gross SecuritiesBorrowedGross	101113000000	USD
CY2019Q1	us-gaap	Deposits Paid For Securities Borrowed At Carrying Value DepositsPaidForSecuritiesBorrowedAtCarryingValue	101113000000	USD
CY2019Q1	us-gaap	Securities Borrowed Collateral Obligation To Return Securities SecuritiesBorrowedCollateralObligationToReturnSecurities	28040000000	USD
CY2019Q1	us-gaap	Securities Borrowed Amount Offset Against Collateral SecuritiesBorrowedAmountOffsetAgainstCollateral	73073000000	USD
CY2019Q1	c	Securities Purchased Under Agreements To Resell Securities Borrowed Gross SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedGross	369208000000	USD
CY2019Q1	c	Securities Purchased Under Agreements To Resell Securities Borrowed Liability SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability	104713000000	USD
CY2019Q1	us-gaap	Carrying Value Of Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	264495000000	USD
CY2019Q1	c	Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnSecurities	157951000000	USD
CY2019Q1	c	Securities Purchased Under Agreements To Resell Securities Borrowed Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedAmountOffsetAgainstCollateral	106544000000	USD
CY2019Q1	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	276944000000	USD
CY2019Q1	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	104713000000	USD
CY2019Q1	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	172231000000	USD
CY2019Q1	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	91923000000	USD
CY2019Q1	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	80308000000	USD
CY2019Q1	us-gaap	Securities Loaned Gross SecuritiesLoanedGross	18141000000	USD
CY2019Q1	us-gaap	Deposits Received For Securities Loaned At Carrying Value DepositsReceivedForSecuritiesLoanedAtCarryingValue	18141000000	USD
CY2019Q1	us-gaap	Securities Loaned Collateral Right To Reclaim Securities SecuritiesLoanedCollateralRightToReclaimSecurities	5351000000	USD
CY2019Q1	us-gaap	Securities Loaned Amount Offset Against Collateral SecuritiesLoanedAmountOffsetAgainstCollateral	12790000000	USD
CY2019Q1	c	Securities Sold Under Agreements To Resell Securities Loaned Gross SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	295085000000	USD
CY2019Q1	c	Securities Sold Under Agreements To Resell Securities Loaned Asset SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset	104713000000	USD
CY2019Q1	us-gaap	Carrying Value Of Securities Sold Under Repurchase Agreements And Deposits Received For Securities Loaned CarryingValueOfSecuritiesSoldUnderRepurchaseAgreementsAndDepositsReceivedForSecuritiesLoaned	190372000000	USD
CY2019Q1	c	Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities	97274000000	USD
CY2019Q1	c	Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral	93098000000	USD
CY2018Q4	us-gaap	Securities Purchased Under Agreements To Resell Gross SecuritiesPurchasedUnderAgreementsToResellGross	246788000000	USD
CY2018Q4	us-gaap	Securities Purchased Under Agreements To Resell Liability SecuritiesPurchasedUnderAgreementsToResellLiability	87424000000	USD
CY2018Q4	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	159364000000	USD
CY2018Q4	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnSecurities	124557000000	USD
CY2018Q4	us-gaap	Securities Purchased Under Agreements To Resell Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellAmountOffsetAgainstCollateral	34807000000	USD
CY2018Q4	us-gaap	Securities Borrowed Gross SecuritiesBorrowedGross	111320000000	USD
CY2018Q4	us-gaap	Deposits Paid For Securities Borrowed At Carrying Value DepositsPaidForSecuritiesBorrowedAtCarryingValue	111320000000	USD
CY2018Q4	us-gaap	Securities Borrowed Collateral Obligation To Return Securities SecuritiesBorrowedCollateralObligationToReturnSecurities	35766000000	USD
CY2018Q4	us-gaap	Securities Borrowed Amount Offset Against Collateral SecuritiesBorrowedAmountOffsetAgainstCollateral	75554000000	USD
CY2018Q4	c	Securities Purchased Under Agreements To Resell Securities Borrowed Gross SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedGross	358108000000	USD
CY2018Q4	c	Securities Purchased Under Agreements To Resell Securities Borrowed Liability SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability	87424000000	USD
CY2018Q4	us-gaap	Carrying Value Of Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	270684000000	USD
CY2018Q4	c	Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnSecurities	160323000000	USD
CY2018Q4	c	Securities Purchased Under Agreements To Resell Securities Borrowed Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedAmountOffsetAgainstCollateral	110361000000	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	253514000000	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	87424000000	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	166090000000	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	82823000000	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	83267000000	USD
CY2018Q4	us-gaap	Securities Loaned Gross SecuritiesLoanedGross	11678000000	USD
CY2018Q4	us-gaap	Deposits Received For Securities Loaned At Carrying Value DepositsReceivedForSecuritiesLoanedAtCarryingValue	11678000000	USD
CY2018Q4	us-gaap	Securities Loaned Collateral Right To Reclaim Securities SecuritiesLoanedCollateralRightToReclaimSecurities	3415000000	USD
CY2018Q4	us-gaap	Securities Loaned Amount Offset Against Collateral SecuritiesLoanedAmountOffsetAgainstCollateral	8263000000	USD
CY2018Q4	c	Securities Sold Under Agreements To Resell Securities Loaned Gross SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	265192000000	USD
CY2018Q4	c	Securities Sold Under Agreements To Resell Securities Loaned Asset SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset	87424000000	USD
CY2018Q4	us-gaap	Carrying Value Of Securities Sold Under Repurchase Agreements And Deposits Received For Securities Loaned CarryingValueOfSecuritiesSoldUnderRepurchaseAgreementsAndDepositsReceivedForSecuritiesLoaned	177768000000	USD
CY2018Q4	c	Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities	86238000000	USD
CY2018Q4	c	Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral	91530000000	USD
CY2019Q1	us-gaap	Financial Assets Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement FinancialAssetsSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	276944000000	USD
CY2019Q1	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	18141000000	USD
CY2019Q1	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	295085000000	USD
CY2018Q4	us-gaap	Financial Assets Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement FinancialAssetsSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	253514000000	USD
CY2018Q4	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	11678000000	USD
CY2018Q4	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	265192000000	USD
CY2019Q1	us-gaap	Financial Assets Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement FinancialAssetsSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	276944000000	USD
CY2019Q1	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	18141000000	USD
CY2019Q1	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	295085000000	USD
CY2019Q1	us-gaap	Due To And From Broker Dealers And Clearing Organizations Disclosure DueToAndFromBrokerDealersAndClearingOrganizationsDisclosure	BROKERAGE RECEIVABLES AND BROKERAGE PAYABLES<div style="line-height:120%;text-align:left;text-indent:0px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;text-align:left;text-indent:0px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The Company has receivables and payables for financial instruments sold to and purchased from brokers, dealers and customers, which arise in the ordinary course of business. </span></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">For additional information on these receivables and payables, see Note 12 to the Consolidated Financial Statements in Citi’s </span><span style="font-family:inherit;font-size:10pt;">2018</span><span style="font-family:inherit;font-size:10pt;"> Annual Report on Form 10-K.</span></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;">Brokerage receivables </span><span style="font-family:inherit;font-size:10pt;">and </span><span style="font-family:inherit;font-size:10pt;font-style:italic;">Brokerage payables</span><span style="font-family:inherit;font-size:10pt;"> consisted of the following:</span></div><div style="line-height:120%;text-align:center;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:99.89806320081549%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:50%;"/><td style="width:1%;"/><td style="width:23%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:23%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-style:italic;">In millions of dollars</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">March 31, <br/>2019</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">December 31, 2018</span></div></td></tr><tr><td style="vertical-align:middle;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">Receivables from customers</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>14,945</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>14,415</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:middle;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">Receivables from brokers, dealers and clearing organizations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>29,555</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>21,035</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:middle;border-bottom:2px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">Total brokerage receivables</span><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><sup style="vertical-align:top;line-height:120%;font-size:6pt">(1)</sup></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>44,500</span></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>35,450</span></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:middle;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">Payables to customers</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>37,240</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>40,273</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:middle;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">Payables to brokers, dealers and clearing organizations</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>25,416</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>24,298</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:middle;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">Total brokerage payables</span><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><sup style="vertical-align:top;line-height:120%;font-size:6pt">(1)</sup></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>62,656</span></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;"><span>64,571</span></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:120%;text-align:center;text-indent:0px;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><br/></span></div><div style="line-height:120%;font-size:8pt;padding-left:0px;"><span style="font-family:inherit;font-size:8pt;">(1) </span></div>Includes brokerage receivables and payables recorded by Citi broker-dealer entities that are accounted for in accordance with the AICPA Accounting Guide for Brokers and Dealers in Securities as codified in ASC 940-320.
CY2018Q4	us-gaap	Financial Assets Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement FinancialAssetsSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	253514000000	USD
CY2018Q4	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	11678000000	USD
CY2018Q4	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	265192000000	USD
CY2019Q1	us-gaap	Receivables From Customers ReceivablesFromCustomers	14945000000	USD
CY2018Q4	us-gaap	Receivables From Customers ReceivablesFromCustomers	14415000000	USD
CY2019Q1	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	29555000000	USD
CY2018Q4	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	21035000000	USD
CY2019Q1	c	Brokerage Receivables BrokerageReceivables	44500000000	USD
CY2018Q4	c	Brokerage Receivables BrokerageReceivables	35450000000	USD
CY2019Q1	us-gaap	Payables To Customers PayablesToCustomers	37240000000	USD
CY2018Q4	us-gaap	Payables To Customers PayablesToCustomers	40273000000	USD
CY2019Q1	us-gaap	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	25416000000	USD
CY2018Q4	us-gaap	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	24298000000	USD
CY2019Q1	c	Brokerage Payables BrokeragePayables	62656000000	USD
CY2018Q4	c	Brokerage Payables BrokeragePayables	64571000000	USD
CY2019Q1	c	Investments Excluding Trading Securities InvestmentsExcludingTradingSecurities	349281000000	USD
CY2018Q4	c	Investments Excluding Trading Securities InvestmentsExcludingTradingSecurities	358607000000	USD
CY2019Q1	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	2372000000	USD
CY2018Q1	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	2042000000	USD
CY2019Q1	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	127000000	USD
CY2018Q1	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	130000000	USD
CY2019Q1	us-gaap	Dividend Income Operating DividendIncomeOperating	49000000	USD
CY2018Q1	us-gaap	Dividend Income Operating DividendIncomeOperating	62000000	USD
CY2019Q1	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	2548000000	USD
CY2018Q1	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	2234000000	USD
CY2019Q1	c	Gross Realized Gain On Marketable Securities And Cost Method Investments Excluding Other Than Temporary Impairments And Other Investments GrossRealizedGainOnMarketableSecuritiesAndCostMethodInvestmentsExcludingOtherThanTemporaryImpairmentsAndOtherInvestments	168000000	USD
CY2018Q1	c	Gross Realized Gain On Marketable Securities And Cost Method Investments Excluding Other Than Temporary Impairments And Other Investments GrossRealizedGainOnMarketableSecuritiesAndCostMethodInvestmentsExcludingOtherThanTemporaryImpairmentsAndOtherInvestments	345000000	USD
CY2019Q1	c	Gross Realized Losson Marketable Securitiesand Cost Method Investments Excluding Otherthan Temporary Impairmentsand Other Investments GrossRealizedLossonMarketableSecuritiesandCostMethodInvestmentsExcludingOtherthanTemporaryImpairmentsandOtherInvestments	38000000	USD
CY2018Q1	c	Gross Realized Losson Marketable Securitiesand Cost Method Investments Excluding Otherthan Temporary Impairmentsand Other Investments GrossRealizedLossonMarketableSecuritiesandCostMethodInvestmentsExcludingOtherthanTemporaryImpairmentsandOtherInvestments	175000000	USD
CY2019Q1	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	130000000	USD
CY2018Q1	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	170000000	USD
CY2019Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	55954000000	USD
CY2019Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	582000000	USD
CY2019Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	111575000000	USD
CY2019Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1524000000	USD
CY2019Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	167529000000	USD
CY2019Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	2106000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	69236000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	752000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	118258000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	2468000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	187494000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	3220000000	USD
CY2019Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	275989000000	USD
CY2019Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	275132000000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	290423000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	288038000000	USD
CY2019Q1	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	66842000000	USD
CY2019Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	697000000	USD
CY2019Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	465000000	USD
CY2019Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	67074000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	63357000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	386000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	853000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	62890000000	USD
CY2019Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	18353000000	USD
CY2019Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	114000000	USD
CY2019Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	19104000000	USD
CY2019Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	351000000	USD
CY2019Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	37457000000	USD
CY2019Q1	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	465000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	17814000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	190000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	19328000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	663000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	37142000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	853000000	USD
CY2019Q1	c	Held To Maturity Securities Accumulated Unrecognized Other Comprehensive Loss Other Than Temporary Impairment Not Credit Loss Pre Tax HeldToMaturitySecuritiesAccumulatedUnrecognizedOtherComprehensiveLossOtherThanTemporaryImpairmentNotCreditLossPreTax	683000000	USD
CY2018Q4	c	Held To Maturity Securities Accumulated Unrecognized Other Comprehensive Loss Other Than Temporary Impairment Not Credit Loss Pre Tax HeldToMaturitySecuritiesAccumulatedUnrecognizedOtherComprehensiveLossOtherThanTemporaryImpairmentNotCreditLossPreTax	653000000	USD
CY2019Q1	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	66842000000	USD
CY2019Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	67074000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	63357000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	62890000000	USD
CY2019Q1	c	Other Than Temporary Impairment Losses Investments With Intent Not To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentNotToSell	0	USD
CY2019Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest	0	USD
CY2019Q1	c	Other Than Temporary Impairment Losses Investments Not Being Sold Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsNotBeingSoldPortionRecognizedInEarningsNet	0	USD
CY2019Q1	c	Other Than Temporary Impairment Losses Investments With Intent To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentToSell	3000000	USD
CY2019Q1	c	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net And Equity Method Investment Other Than Temporary Impairment OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAndEquityMethodInvestmentOtherThanTemporaryImpairment	3000000	USD
CY2018Q1	c	Other Than Temporary Impairment Losses Investments With Intent Not To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentNotToSell	0	USD
CY2018Q1	c	Other Than Temporary Impairment Losses Investments With Intent To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentToSell	27000000	USD
CY2018Q1	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest	0	USD
CY2018Q1	c	Other Than Temporary Impairment Losses Investments Not Being Sold Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsNotBeingSoldPortionRecognizedInEarningsNet	0	USD
CY2018Q1	c	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net And Equity Method Investment Other Than Temporary Impairment OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAndEquityMethodInvestmentOtherThanTemporaryImpairment	27000000	USD
CY2019Q1	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	630000000	USD
CY2018Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	538000000	USD
CY2019Q1	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	5000000	USD
CY2018Q1	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	1000000	USD
CY2019Q1	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	0	USD
CY2018Q1	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	2000000	USD
CY2019Q1	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	66000000	USD
CY2018Q1	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	123000000	USD
CY2019Q1	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossCumulativeAmount	12000000	USD
CY2019Q1	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentCumulativeAmount	18000000	USD
CY2019Q1	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount	285000000	USD
CY2019Q1	c	Non Marketable Equity Securities Impairment Recognized In Earnings NonMarketableEquitySecuritiesImpairmentRecognizedInEarnings	0	USD
CY2019Q1	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	81000000	USD
CY2018Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	81000000	USD
CY2019Q1	c	Loan Categories Number LoanCategoriesNumber	2	category
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12315000000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12355000000	USD
CY2019Q1	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2345000000	USD
CY2018Q1	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2296000000	USD
CY2019Q1	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	397000000	USD
CY2018Q1	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	429000000	USD
CY2019Q1	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	1948000000	USD
CY2018Q1	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	1867000000	USD
CY2019Q1	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	1948000000	USD
CY2018Q1	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	1867000000	USD
CY2019Q1	c	Provision For Loan And Lease Losses For Reserve Builds Or Releases Net ProvisionForLoanAndLeaseLossesForReserveBuildsOrReleasesNet	67000000	USD
CY2018Q1	c	Provision For Loan And Lease Losses For Reserve Builds Or Releases Net ProvisionForLoanAndLeaseLossesForReserveBuildsOrReleasesNet	102000000	USD
CY2019Q1	c	Provision For Loan And Lease Losses For Specific Reserve Builds Or Releases Net ProvisionForLoanAndLeaseLossesForSpecificReserveBuildsOrReleasesNet	-71000000	USD
CY2018Q1	c	Provision For Loan And Lease Losses For Specific Reserve Builds Or Releases Net ProvisionForLoanAndLeaseLossesForSpecificReserveBuildsOrReleasesNet	-166000000	USD
CY2019Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1944000000	USD
CY2018Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1803000000	USD
CY2019Q1	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	18000000	USD
CY2018Q1	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	63000000	USD
CY2019Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12329000000	USD
CY2018Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12354000000	USD
CY2018Q4	c	Unfunded Lending Commitments Allowance For Credit Losses UnfundedLendingCommitmentsAllowanceForCreditLosses	1367000000	USD
CY2017Q4	c	Unfunded Lending Commitments Allowance For Credit Losses UnfundedLendingCommitmentsAllowanceForCreditLosses	1258000000	USD
CY2019Q1	c	Provision Charged Or Release For Unfunded Lending Commitments Other Net ProvisionChargedOrReleaseForUnfundedLendingCommitmentsOtherNet	24000000	USD
CY2018Q1	c	Provision Charged Or Release For Unfunded Lending Commitments Other Net ProvisionChargedOrReleaseForUnfundedLendingCommitmentsOtherNet	28000000	USD
CY2019Q1	c	Unfunded Lending Commitments Allowance For Credit Losses Adjustments Net UnfundedLendingCommitmentsAllowanceForCreditLossesAdjustmentsNet	0	USD
CY2018Q1	c	Unfunded Lending Commitments Allowance For Credit Losses Adjustments Net UnfundedLendingCommitmentsAllowanceForCreditLossesAdjustmentsNet	4000000	USD
CY2019Q1	c	Unfunded Lending Commitments Allowance For Credit Losses UnfundedLendingCommitmentsAllowanceForCreditLosses	1391000000	USD
CY2018Q1	c	Unfunded Lending Commitments Allowance For Credit Losses UnfundedLendingCommitmentsAllowanceForCreditLosses	1290000000	USD
CY2019Q1	c	Loans And Leases Receivable And Unfunded Lending Commitments Allowance LoansAndLeasesReceivableAndUnfundedLendingCommitmentsAllowance	13720000000	USD
CY2018Q1	c	Loans And Leases Receivable And Unfunded Lending Commitments Allowance LoansAndLeasesReceivableAndUnfundedLendingCommitmentsAllowance	13644000000	USD
CY2019Q1	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	18000000	USD
CY2018Q1	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	63000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12315000000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12355000000	USD
CY2019Q1	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2345000000	USD
CY2018Q1	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2296000000	USD
CY2019Q1	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	397000000	USD
CY2018Q1	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	429000000	USD
CY2019Q1	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	1948000000	USD
CY2018Q1	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	1867000000	USD
CY2019Q1	c	Provision For Loan And Lease Losses For Reserve Builds Or Releases Net ProvisionForLoanAndLeaseLossesForReserveBuildsOrReleasesNet	67000000	USD
CY2018Q1	c	Provision For Loan And Lease Losses For Reserve Builds Or Releases Net ProvisionForLoanAndLeaseLossesForReserveBuildsOrReleasesNet	102000000	USD
CY2019Q1	c	Provision For Loan And Lease Losses For Specific Reserve Builds Or Releases Net ProvisionForLoanAndLeaseLossesForSpecificReserveBuildsOrReleasesNet	-71000000	USD
CY2018Q1	c	Provision For Loan And Lease Losses For Specific Reserve Builds Or Releases Net ProvisionForLoanAndLeaseLossesForSpecificReserveBuildsOrReleasesNet	-166000000	USD
CY2019Q1	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	18000000	USD
CY2018Q1	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	63000000	USD
CY2019Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12329000000	USD
CY2018Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12354000000	USD
CY2019Q1	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	10961000000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	10872000000	USD
CY2019Q1	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	1366000000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	1441000000	USD
CY2019Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	2000000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	2000000	USD
CY2019Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12329000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12315000000	USD
CY2019Q1	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	671664000000	USD
CY2018Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	674347000000	USD
CY2019Q1	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	6683000000	USD
CY2018Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	6498000000	USD
CY2019Q1	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	3874000000	USD
CY2018Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	3223000000	USD
CY2019Q1	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	682346000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	684196000000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	22046000000	USD
CY2019Q1	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-9000000	USD
CY2019Q1	us-gaap	Goodwill Goodwill	22037000000	USD
CY2019Q1	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019Q1	c	Intangible Assets Excluding Mortgage Servicing Rights Gross Carrying Amount IntangibleAssetsExcludingMortgageServicingRightsGrossCarryingAmount	12323000000	USD
CY2019Q1	c	Intangible Assets Excluding Mortgage Servicing Rights Accumulated Amortization IntangibleAssetsExcludingMortgageServicingRightsAccumulatedAmortization	7678000000	USD
CY2019Q1	c	Intangible Assets Excluding Mortgage Servicing Rights IntangibleAssetsExcludingMortgageServicingRights	4645000000	USD
CY2018Q4	c	Intangible Assets Excluding Mortgage Servicing Rights Gross Carrying Amount IntangibleAssetsExcludingMortgageServicingRightsGrossCarryingAmount	12181000000	USD
CY2018Q4	c	Intangible Assets Excluding Mortgage Servicing Rights Accumulated Amortization IntangibleAssetsExcludingMortgageServicingRightsAccumulatedAmortization	7545000000	USD
CY2018Q4	c	Intangible Assets Excluding Mortgage Servicing Rights IntangibleAssetsExcludingMortgageServicingRights	4636000000	USD
CY2019Q1	c	Mortgage Servicing Rights Msr Gross Carrying Amount MortgageServicingRightsMSRGrossCarryingAmount	551000000	USD
CY2019Q1	c	Mortgage Servicing Rights Msr MortgageServicingRightsMSR	551000000	USD
CY2018Q4	c	Mortgage Servicing Rights Msr Gross Carrying Amount MortgageServicingRightsMSRGrossCarryingAmount	584000000	USD
CY2018Q4	c	Mortgage Servicing Rights Msr MortgageServicingRightsMSR	584000000	USD
CY2019Q1	c	Intangible Assets Including Mortgage Servicing Rights Gross Carrying Amount IntangibleAssetsIncludingMortgageServicingRightsGrossCarryingAmount	12874000000	USD
CY2019Q1	c	Intangible Assets Including Mortgage Servicing Rights Accumulated Amortization IntangibleAssetsIncludingMortgageServicingRightsAccumulatedAmortization	7678000000	USD
CY2019Q1	c	Intangible Assets Including Mortgage Servicing Rights IntangibleAssetsIncludingMortgageServicingRights	5196000000	USD
CY2018Q4	c	Intangible Assets Including Mortgage Servicing Rights Gross Carrying Amount IntangibleAssetsIncludingMortgageServicingRightsGrossCarryingAmount	12765000000	USD
CY2018Q4	c	Intangible Assets Including Mortgage Servicing Rights Accumulated Amortization IntangibleAssetsIncludingMortgageServicingRightsAccumulatedAmortization	7545000000	USD
CY2018Q4	c	Intangible Assets Including Mortgage Servicing Rights IntangibleAssetsIncludingMortgageServicingRights	5220000000	USD
CY2018Q4	c	Intangible Assets Excluding Mortgage Servicing Rights IntangibleAssetsExcludingMortgageServicingRights	4636000000	USD
CY2019Q1	c	Intangible Assets Excluding Mortgage Servicing Rights Acquisitions Divestitures IntangibleAssetsExcludingMortgageServicingRightsAcquisitionsDivestitures	0	USD
CY2019Q1	c	Intangible Assets Excluding Mortgage Servicing Rights Amortization Of Intangible Assets IntangibleAssetsExcludingMortgageServicingRightsAmortizationOfIntangibleAssets	144000000	USD
CY2019Q1	c	Intangible Assets Excluding Mortgage Servicing Rights Translation And Purchase Accounting Adjustments IntangibleAssetsExcludingMortgageServicingRightsTranslationAndPurchaseAccountingAdjustments	153000000	USD
CY2019Q1	c	Intangible Assets Excluding Mortgage Servicing Rights IntangibleAssetsExcludingMortgageServicingRights	4645000000	USD
CY2018Q4	c	Mortgage Servicing Rights Msr MortgageServicingRightsMSR	584000000	USD
CY2019Q1	c	Mortgage Servicing Rights Msr MortgageServicingRightsMSR	551000000	USD
CY2018Q4	c	Intangible Assets Including Mortgage Servicing Rights IntangibleAssetsIncludingMortgageServicingRights	5220000000	USD
CY2019Q1	c	Intangible Assets Including Mortgage Servicing Rights IntangibleAssetsIncludingMortgageServicingRights	5196000000	USD
CY2019Q1	us-gaap	Commercial Paper CommercialPaper	15034000000	USD
CY2018Q4	us-gaap	Commercial Paper CommercialPaper	13238000000	USD
CY2019Q1	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	24288000000	USD
CY2018Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	19108000000	USD
CY2019Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	39322000000	USD
CY2018Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	32346000000	USD
CY2019Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	13300000000	USD
CY2018Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	9500000000	USD
CY2019Q1	us-gaap	Long Term Debt LongTermDebt	243566000000	USD
CY2018Q4	us-gaap	Long Term Debt LongTermDebt	231999000000	USD
CY2019Q1	c	Trust Preferred Securities Carrying Value TrustPreferredSecuritiesCarryingValue	1700000000	USD
CY2019Q1	c	Trust Preferred Securities Liquidation Value TrustPreferredSecuritiesLiquidationValue	2570000000	USD
CY2019Q1	c	Variable Interest Entity Nonconsolidated Involvement Assets VariableInterestEntityNonconsolidatedInvolvementAssets	300145000000	USD
CY2019Q1	c	Variable Interest Entity Debt Investments Funded Maximum Exposure To Loss VariableInterestEntityDebtInvestmentsFundedMaximumExposureToLoss	35122000000	USD
CY2019Q1	c	Variable Interest Entity Equity Investments Funded Maximum Exposure To Loss VariableInterestEntityEquityInvestmentsFundedMaximumExposureToLoss	4766000000	USD
CY2019Q1	c	Variable Interest Entity Funding Commitments Unfunded Maximum Exposure To Loss VariableInterestEntityFundingCommitmentsUnfundedMaximumExposureToLoss	17344000000	USD
CY2019Q1	c	Variable Interest Entity Guarantees And Derivatives Unfunded Maximum Exposure To Loss VariableInterestEntityGuaranteesAndDerivativesUnfundedMaximumExposureToLoss	79000000	USD
CY2019Q1	c	Junior Subordinated Debentures Owned By Trust Proceeds Received From Trust At Issuance JuniorSubordinatedDebenturesOwnedByTrustProceedsReceivedFromTrustAtIssuance	2576000000	USD
CY2019Q1	c	Special Purpose Entity Total Involvement With Spe Assets SpecialPurposeEntityTotalInvolvementWithSPEAssets	365923000000	USD
CY2019Q1	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets VariableInterestEntityConsolidatedCarryingAmountAssets	65778000000	USD
CY2019Q1	us-gaap	Variable Interest Entity Entity Maximum Loss Exposure Amount VariableInterestEntityEntityMaximumLossExposureAmount	57311000000	USD
CY2018Q4	c	Special Purpose Entity Total Involvement With Spe Assets SpecialPurposeEntityTotalInvolvementWithSPEAssets	361936000000	USD
CY2018Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets VariableInterestEntityConsolidatedCarryingAmountAssets	69944000000	USD
CY2018Q4	c	Variable Interest Entity Nonconsolidated Involvement Assets VariableInterestEntityNonconsolidatedInvolvementAssets	291992000000	USD
CY2018Q4	c	Variable Interest Entity Debt Investments Funded Maximum Exposure To Loss VariableInterestEntityDebtInvestmentsFundedMaximumExposureToLoss	34043000000	USD
CY2018Q4	c	Variable Interest Entity Equity Investments Funded Maximum Exposure To Loss VariableInterestEntityEquityInvestmentsFundedMaximumExposureToLoss	4637000000	USD
CY2018Q4	c	Variable Interest Entity Funding Commitments Unfunded Maximum Exposure To Loss VariableInterestEntityFundingCommitmentsUnfundedMaximumExposureToLoss	16781000000	USD
CY2018Q4	c	Variable Interest Entity Guarantees And Derivatives Unfunded Maximum Exposure To Loss VariableInterestEntityGuaranteesAndDerivativesUnfundedMaximumExposureToLoss	73000000	USD
CY2018Q4	us-gaap	Variable Interest Entity Entity Maximum Loss Exposure Amount VariableInterestEntityEntityMaximumLossExposureAmount	55534000000	USD
CY2019Q1	c	Securitization Trust Number SecuritizationTrustNumber	2	trust
CY2019Q1	c	Portion Of Principal Amount Outstanding Of Securitized Assets And Any Other Financial Assets Managed Together Sold To Investors Via Trust Credit Card Receivables PortionOfPrincipalAmountOutstandingOfSecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherSoldToInvestorsViaTrustCreditCardReceivables	24800000000	USD
CY2018Q4	c	Portion Of Principal Amount Outstanding Of Securitized Assets And Any Other Financial Assets Managed Together Sold To Investors Via Trust Credit Card Receivables PortionOfPrincipalAmountOutstandingOfSecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherSoldToInvestorsViaTrustCreditCardReceivables	27300000000	USD
CY2019Q1	c	Portion Of Securitized Assets And Any Other Financial Assets Managed Together Retained By Trust Issued Securities PortionOfSecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherRetainedByTrustIssuedSecurities	7600000000	USD
CY2018Q4	c	Portion Of Securitized Assets And Any Other Financial Assets Managed Together Retained By Trust Issued Securities PortionOfSecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherRetainedByTrustIssuedSecurities	7600000000	USD
CY2019Q1	c	Portion Of Securitized Assets And Any Other Financial Assets Managed Together Retained By Reporting Entity Via Non Certificated Interests PortionOfSecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherRetainedByReportingEntityViaNonCertificatedInterests	10500000000	USD
CY2018Q4	c	Portion Of Securitized Assets And Any Other Financial Assets Managed Together Retained By Reporting Entity Via Non Certificated Interests PortionOfSecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherRetainedByReportingEntityViaNonCertificatedInterests	11300000000	USD
CY2019Q1	c	Securitized Credit Card Receivables Principal Amount Outstanding SecuritizedCreditCardReceivablesPrincipalAmountOutstanding	42900000000	USD
CY2018Q4	c	Securitized Credit Card Receivables Principal Amount Outstanding SecuritizedCreditCardReceivablesPrincipalAmountOutstanding	46200000000	USD
CY2019Q1	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	33190000000	USD
CY2019Q1	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	39750000000	USD
CY2018Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	29911000000	USD
CY2018Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	38608000000	USD
CY2019Q1	us-gaap	Hedged Asset Fair Value Hedge HedgedAssetFairValueHedge	98902000000	USD
CY2019Q1	us-gaap	Hedged Asset Fair Value Hedge Cumulative Increase Decrease HedgedAssetFairValueHedgeCumulativeIncreaseDecrease	302000000	USD
CY2019Q1	us-gaap	Hedged Asset Discontinued Fair Value Hedge Cumulative Increase Decrease HedgedAssetDiscontinuedFairValueHedgeCumulativeIncreaseDecrease	329000000	USD
CY2019Q1	us-gaap	Hedged Liability Fair Value Hedge HedgedLiabilityFairValueHedge	157139000000	USD
CY2019Q1	us-gaap	Hedged Liability Fair Value Hedge Cumulative Increase Decrease HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease	2275000000	USD
CY2019Q1	us-gaap	Hedged Liability Discontinued Fair Value Hedge Cumulative Increase Decrease HedgedLiabilityDiscontinuedFairValueHedgeCumulativeIncreaseDecrease	1236000000	USD
CY2018Q4	us-gaap	Hedged Asset Fair Value Hedge HedgedAssetFairValueHedge	81632000000	USD
CY2018Q4	us-gaap	Hedged Asset Fair Value Hedge Cumulative Increase Decrease HedgedAssetFairValueHedgeCumulativeIncreaseDecrease	-196000000	USD
CY2018Q4	us-gaap	Hedged Asset Discontinued Fair Value Hedge Cumulative Increase Decrease HedgedAssetDiscontinuedFairValueHedgeCumulativeIncreaseDecrease	295000000	USD
CY2018Q4	us-gaap	Hedged Liability Fair Value Hedge HedgedLiabilityFairValueHedge	149054000000	USD
CY2018Q4	us-gaap	Hedged Liability Fair Value Hedge Cumulative Increase Decrease HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease	1211000000	USD
CY2018Q4	us-gaap	Hedged Liability Discontinued Fair Value Hedge Cumulative Increase Decrease HedgedLiabilityDiscontinuedFairValueHedgeCumulativeIncreaseDecrease	869000000	USD
CY2019Q1	us-gaap	Hedged Asset Fair Value Hedge Last Of Layer Cumulative Increase Decrease HedgedAssetFairValueHedgeLastOfLayerCumulativeIncreaseDecrease	46000000	USD
CY2019Q1	us-gaap	Hedged Asset Fair Value Hedge Last Of Layer Amount HedgedAssetFairValueHedgeLastOfLayerAmount	2000000000	USD
CY2019Q1	us-gaap	Closed Portfolio And Beneficial Interest Last Of Layer Amortized Cost ClosedPortfolioAndBeneficialInterestLastOfLayerAmortizedCost	16500000000	USD
CY2019Q1	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	334000000	USD
CY2019Q1	us-gaap	Maximum Length Of Time Hedged In Cash Flow Hedge1 MaximumLengthOfTimeHedgedInCashFlowHedge1	P10Y
CY2019Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	246000000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-316000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	378000000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-287000000	USD
CY2019Q1	us-gaap	Credit Risk Derivative Liabilities At Fair Value CreditRiskDerivativeLiabilitiesAtFairValue	11485000000	USD
CY2019Q1	c	Credit Derivatives Notional Amount Purchased Credit Protection CreditDerivativesNotionalAmountPurchasedCreditProtection	757539000000	USD
CY2019Q1	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10684000000	USD
CY2019Q1	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	701018000000	USD
CY2019Q1	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10684000000	USD
CY2019Q1	us-gaap	Credit Risk Derivative Liabilities At Fair Value CreditRiskDerivativeLiabilitiesAtFairValue	11485000000	USD
CY2019Q1	c	Credit Derivatives Notional Amount Purchased Credit Protection CreditDerivativesNotionalAmountPurchasedCreditProtection	757539000000	USD
CY2019Q1	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	701018000000	USD
CY2019Q1	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10684000000	USD
CY2019Q1	us-gaap	Credit Risk Derivative Liabilities At Fair Value CreditRiskDerivativeLiabilitiesAtFairValue	11485000000	USD
CY2019Q1	c	Credit Derivatives Notional Amount Purchased Credit Protection CreditDerivativesNotionalAmountPurchasedCreditProtection	757539000000	USD
CY2019Q1	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	701018000000	USD
CY2019Q1	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10684000000	USD
CY2019Q1	us-gaap	Credit Risk Derivative Liabilities At Fair Value CreditRiskDerivativeLiabilitiesAtFairValue	11485000000	USD
CY2019Q1	c	Credit Derivatives Notional Amount Purchased Credit Protection CreditDerivativesNotionalAmountPurchasedCreditProtection	757539000000	USD
CY2019Q1	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	701018000000	USD
CY2018Q4	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10765000000	USD
CY2018Q4	us-gaap	Credit Risk Derivative Liabilities At Fair Value CreditRiskDerivativeLiabilitiesAtFairValue	10351000000	USD
CY2018Q4	c	Credit Derivatives Notional Amount Purchased Credit Protection CreditDerivativesNotionalAmountPurchasedCreditProtection	795649000000	USD
CY2018Q4	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	724939000000	USD
CY2018Q4	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10765000000	USD
CY2018Q4	us-gaap	Credit Risk Derivative Liabilities At Fair Value CreditRiskDerivativeLiabilitiesAtFairValue	10351000000	USD
CY2018Q4	c	Credit Derivatives Notional Amount Purchased Credit Protection CreditDerivativesNotionalAmountPurchasedCreditProtection	795649000000	USD
CY2018Q4	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	724939000000	USD
CY2018Q4	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10765000000	USD
CY2018Q4	us-gaap	Credit Risk Derivative Liabilities At Fair Value CreditRiskDerivativeLiabilitiesAtFairValue	10351000000	USD
CY2018Q4	c	Credit Derivatives Notional Amount Purchased Credit Protection CreditDerivativesNotionalAmountPurchasedCreditProtection	795649000000	USD
CY2018Q4	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	724939000000	USD
CY2018Q4	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10765000000	USD
CY2018Q4	us-gaap	Credit Risk Derivative Liabilities At Fair Value CreditRiskDerivativeLiabilitiesAtFairValue	10351000000	USD
CY2018Q4	c	Credit Derivatives Notional Amount Purchased Credit Protection CreditDerivativesNotionalAmountPurchasedCreditProtection	795649000000	USD
CY2018Q4	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	724939000000	USD
CY2019Q1	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	35000000000	USD
CY2018Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	33000000000	USD
CY2019Q1	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	35000000000	USD
CY2018Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	33000000000	USD
CY2019Q1	c	Credit Derivatives Number Of Rating Agencies CreditDerivativesNumberOfRatingAgencies	3	agency
CY2019Q1	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	700000000	USD
CY2019Q1	c	Derivative Collateral Obligation To Return Cash Portion To Be Segregated DerivativeCollateralObligationToReturnCashPortionToBeSegregated	100000000	USD
CY2019Q1	c	Credit Derivative Aggregate Cash Obligations And Collateral Requirements CreditDerivativeAggregateCashObligationsAndCollateralRequirements	800000000	USD
CY2019Q1	c	Counterparty Derivative Credit Risk Valuation Adjustment Derivative Assets CounterpartyDerivativeCreditRiskValuationAdjustmentDerivativeAssets	982000000	USD
CY2018Q4	c	Counterparty Derivative Credit Risk Valuation Adjustment Derivative Assets CounterpartyDerivativeCreditRiskValuationAdjustmentDerivativeAssets	1085000000	USD
CY2019Q1	c	Derivative Funding Valuation Adjustment Derivative Assets DerivativeFundingValuationAdjustmentDerivativeAssets	524000000	USD
CY2018Q4	c	Derivative Funding Valuation Adjustment Derivative Assets DerivativeFundingValuationAdjustmentDerivativeAssets	544000000	USD
CY2019Q1	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Liabilities DerivativeCreditRiskValuationAdjustmentDerivativeLiabilities	402000000	USD
CY2018Q4	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Liabilities DerivativeCreditRiskValuationAdjustmentDerivativeLiabilities	482000000	USD
CY2019Q1	c	Derivative Funding Valuation Adjustment Derivative Liabilities DerivativeFundingValuationAdjustmentDerivativeLiabilities	87000000	USD
CY2018Q4	c	Derivative Funding Valuation Adjustment Derivative Liabilities DerivativeFundingValuationAdjustmentDerivativeLiabilities	135000000	USD
CY2019Q1	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Assets DerivativeCreditRiskValuationAdjustmentDerivativeAssets	1017000000	USD
CY2018Q4	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Assets DerivativeCreditRiskValuationAdjustmentDerivativeAssets	1012000000	USD
CY2019Q1	c	Counterparty Derivative Credit Risk Valuation Adjustment Gain Loss CounterpartyDerivativeCreditRiskValuationAdjustmentGainLoss	74000000	USD
CY2018Q1	c	Counterparty Derivative Credit Risk Valuation Adjustment Gain Loss CounterpartyDerivativeCreditRiskValuationAdjustmentGainLoss	23000000	USD
CY2019Q1	c	Derivative Funding Valuation Adjustment Gain Losson Derivative Asset DerivativeFundingValuationAdjustmentGainLossonDerivativeAsset	20000000	USD
CY2018Q1	c	Derivative Funding Valuation Adjustment Gain Losson Derivative Asset DerivativeFundingValuationAdjustmentGainLossonDerivativeAsset	9000000	USD
CY2019Q1	c	Derivative Credit Risk Valuation Adjustment Gain Loss DerivativeCreditRiskValuationAdjustmentGainLoss	-92000000	USD
CY2018Q1	c	Derivative Credit Risk Valuation Adjustment Gain Loss DerivativeCreditRiskValuationAdjustmentGainLoss	75000000	USD
CY2019Q1	c	Derivative Funding Valuation Adjustment Gain Losson Derivative Liability DerivativeFundingValuationAdjustmentGainLossonDerivativeLiability	-48000000	USD
CY2018Q1	c	Derivative Funding Valuation Adjustment Gain Losson Derivative Liability DerivativeFundingValuationAdjustmentGainLossonDerivativeLiability	-7000000	USD
CY2019Q1	c	Derivative Funding Valuation Adjustment Gain Loss Net DerivativeFundingValuationAdjustmentGainLossNet	-46000000	USD
CY2018Q1	c	Derivative Funding Valuation Adjustment Gain Loss Net DerivativeFundingValuationAdjustmentGainLossNet	100000000	USD
CY2019Q1	c	Derivative Debt Valuation Adjustment Gain Losson Fair Value Option Liability DerivativeDebtValuationAdjustmentGainLossonFairValueOptionLiability	-725000000	USD
CY2018Q1	c	Derivative Debt Valuation Adjustment Gain Losson Fair Value Option Liability DerivativeDebtValuationAdjustmentGainLossonFairValueOptionLiability	167000000	USD
CY2019Q1	c	Derivative Creditand Debt Valuation Adjustment Gain Loss DerivativeCreditandDebtValuationAdjustmentGainLoss	-771000000	USD
CY2018Q1	c	Derivative Creditand Debt Valuation Adjustment Gain Loss DerivativeCreditandDebtValuationAdjustmentGainLoss	267000000	USD
CY2019Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12300000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12300000000	USD
CY2019Q1	us-gaap	Leases Receivable Commercial Lease Financing LeasesReceivableCommercialLeaseFinancing	1500000000	USD
CY2018Q4	us-gaap	Leases Receivable Commercial Lease Financing LeasesReceivableCommercialLeaseFinancing	1600000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Reclassification Adjustment From Aoci For Derecognition After Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax	725000000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Reclassification Adjustment From Aoci For Derecognition After Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax	-167000000	USD
CY2019Q1	c	Fair Value Option Loans Held As Assets Nonaccrual Status Or90 Days Or More Past Due FairValueOptionLoansHeldAsAssetsNonaccrualStatusOr90DaysOrMorePastDue	0	USD
CY2018Q4	c	Fair Value Option Loans Held As Assets Nonaccrual Status Or90 Days Or More Past Due FairValueOptionLoansHeldAsAssetsNonaccrualStatusOr90DaysOrMorePastDue	0	USD
CY2019Q1	c	Fair Value Option Loans Held As Assets Aggregate Amount In Nonaccrual Status Or90 Days Or More Past Due FairValueOptionLoansHeldAsAssetsAggregateAmountInNonaccrualStatusOr90DaysOrMorePastDue	0	USD
CY2018Q4	c	Fair Value Option Loans Held As Assets Aggregate Amount In Nonaccrual Status Or90 Days Or More Past Due FairValueOptionLoansHeldAsAssetsAggregateAmountInNonaccrualStatusOr90DaysOrMorePastDue	0	USD
CY2019Q1	c	Certain Structured Liabilities CertainStructuredLiabilities	40800000000	USD
CY2018Q4	c	Certain Structured Liabilities CertainStructuredLiabilities	35700000000	USD
CY2019Q1	c	Guarantee Obligations Maximum Exposure Expire Within One Year GuaranteeObligationsMaximumExposureExpireWithinOneYear	279000000000.0	USD
CY2019Q1	c	Guarantee Obligations Maximum Exposure Expire After One Year GuaranteeObligationsMaximumExposureExpireAfterOneYear	175900000000	USD
CY2019Q1	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	454900000000	USD
CY2019Q1	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	702000000	USD
CY2018Q4	c	Guarantee Obligations Maximum Exposure Expire Within One Year GuaranteeObligationsMaximumExposureExpireWithinOneYear	256600000000	USD
CY2018Q4	c	Guarantee Obligations Maximum Exposure Expire After One Year GuaranteeObligationsMaximumExposureExpireAfterOneYear	194300000000	USD
CY2018Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	450900000000	USD
CY2018Q4	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	939000000	USD
CY2019Q1	c	Number Of Trust Funded By Reinsurer NumberOfTrustFundedByReinsurer	2	trust
CY2019Q1	c	Fair Value Of Trusts Funded By Insurer FairValueOfTrustsFundedByInsurer	7900000000	USD
CY2018Q4	c	Fair Value Of Trusts Funded By Insurer FairValueOfTrustsFundedByInsurer	7500000000	USD
CY2019Q1	c	Number Of Trust Funded By Reinsurer NumberOfTrustFundedByReinsurer	2	trust
CY2019Q1	c	Long Term Care Insurance Indemnification Liability LongTermCareInsuranceIndemnificationLiability	0	USD
CY2019Q1	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	700000000	USD
CY2018Q4	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	900000000	USD
CY2019Q1	c	Cash Held As Collateral CashHeldAsCollateral	67000000000	USD
CY2018Q4	c	Cash Held As Collateral CashHeldAsCollateral	55000000000	USD
CY2018Q4	c	Securitiesand Other Marketable Assets Heldas Collateral SecuritiesandOtherMarketableAssetsHeldasCollateral	55000000000	USD
CY2019Q1	c	Letters Of Credit Received As Collateral LettersOfCreditReceivedAsCollateral	3800000000	USD
CY2018Q4	c	Letters Of Credit Received As Collateral LettersOfCreditReceivedAsCollateral	4100000000	USD
CY2019Q1	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	454900000000	USD
CY2018Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	450900000000	USD
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	4100000000	USD
CY2019Q1	us-gaap	Sublease Income SubleaseIncome	19000000	USD
CY2019Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	270000000	USD
CY2019Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	234000000	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	704000000	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	755000000	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	638000000	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	514000000	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	405000000	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	1794000000	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	4810000000	USD
CY2019Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	698000000	USD
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	4112000000	USD
CY2019Q1	c	Credit Commitments CreditCommitments	1049446000000	USD
CY2018Q4	c	Credit Commitments CreditCommitments	1030242000000	USD
CY2019Q1	c	Securities Purchasedunder Agreementsto Resell Securities Loaned Gross Unsettled SecuritiesPurchasedunderAgreementstoResellSecuritiesLoanedGrossUnsettled	64900000000	USD
CY2018Q4	c	Securities Purchasedunder Agreementsto Resell Securities Loaned Gross Unsettled SecuritiesPurchasedunderAgreementstoResellSecuritiesLoanedGrossUnsettled	36100000000	USD
CY2019Q1	c	Securities Soldunder Agreementsto Resell Securities Loaned Gross Unsettled SecuritiesSoldunderAgreementstoResellSecuritiesLoanedGrossUnsettled	55300000000	USD
CY2018Q4	c	Securities Soldunder Agreementsto Resell Securities Loaned Gross Unsettled SecuritiesSoldunderAgreementstoResellSecuritiesLoanedGrossUnsettled	30700000000	USD
CY2019Q1	us-gaap	Restricted Cash RestrictedCash	27433000000	USD
CY2018Q4	us-gaap	Restricted Cash RestrictedCash	31208000000	USD
CY2019Q1	us-gaap	Loss Contingency Range Of Possible Loss Portion Not Accrued LossContingencyRangeOfPossibleLossPortionNotAccrued	1000000000.0	USD
CY2019Q1	c	Dividend Income Operating From Affiliates Subsidiaries And Holding Companies DividendIncomeOperatingFromAffiliatesSubsidiariesAndHoldingCompanies	0	USD
CY2019Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	19076000000	USD
CY2019Q1	c	Interest Income Intercompany InterestIncomeIntercompany	0	USD
CY2019Q1	us-gaap	Interest Expense InterestExpense	7317000000	USD
CY2019Q1	c	Interest Expense Intercompany InterestExpenseIntercompany	0	USD
CY2019Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	11759000000	USD
CY2019Q1	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	2926000000	USD
CY2019Q1	c	Investment Banking Advisory Brokerageand Underwriting Feesand Commissions Intercompany InvestmentBankingAdvisoryBrokerageandUnderwritingFeesandCommissionsIntercompany	0	USD
CY2019Q1	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	2804000000	USD
CY2019Q1	c	Principal Transactions Revenue Intercompany Net PrincipalTransactionsRevenueIntercompanyNet	0	USD
CY2019Q1	c	Noninterest Income Excluding Commissions And Fees And Principal Transactions NoninterestIncomeExcludingCommissionsAndFeesAndPrincipalTransactions	1087000000	USD
CY2019Q1	c	Other Income Intercompany OtherIncomeIntercompany	0	USD
CY2019Q1	us-gaap	Noninterest Income NoninterestIncome	6817000000	USD
CY2019Q1	us-gaap	Revenues Revenues	18576000000	USD
CY2019Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1980000000	USD
CY2019Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	5658000000	USD
CY2019Q1	c	Labor And Related Expenses Intercompany LaborAndRelatedExpensesIntercompany	0	USD
CY2019Q1	c	Operating Expenses Excluding Labor And Related Expense OperatingExpensesExcludingLaborAndRelatedExpense	4926000000	USD
CY2019Q1	c	Other Noninterest Expense Intercompany OtherNoninterestExpenseIntercompany	0	USD
CY2019Q1	us-gaap	Noninterest Expense NoninterestExpense	10584000000	USD
CY2019Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	6012000000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1275000000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4737000000	USD
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-2000000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	4735000000	USD
CY2019Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	25000000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	4710000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	862000000	USD
CY2019Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	5572000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	-13000000	USD
CY2019Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	25000000	USD
CY2019Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	5584000000	USD
CY2018Q1	c	Dividend Income Operating From Affiliates Subsidiaries And Holding Companies DividendIncomeOperatingFromAffiliatesSubsidiariesAndHoldingCompanies	0	USD
CY2018Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	16332000000	USD
CY2018Q1	c	Interest Income Intercompany InterestIncomeIntercompany	0	USD
CY2018Q1	us-gaap	Interest Expense InterestExpense	5160000000	USD
CY2018Q1	c	Interest Expense Intercompany InterestExpenseIntercompany	0	USD
CY2018Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	11172000000	USD
CY2018Q1	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	3030000000	USD
CY2018Q1	c	Investment Banking Advisory Brokerageand Underwriting Feesand Commissions Intercompany InvestmentBankingAdvisoryBrokerageandUnderwritingFeesandCommissionsIntercompany	0	USD
CY2018Q1	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	3242000000	USD
CY2018Q1	c	Principal Transactions Revenue Intercompany Net PrincipalTransactionsRevenueIntercompanyNet	0	USD
CY2018Q1	c	Noninterest Income Excluding Commissions And Fees And Principal Transactions NoninterestIncomeExcludingCommissionsAndFeesAndPrincipalTransactions	1428000000	USD
CY2018Q1	c	Other Income Intercompany OtherIncomeIntercompany	0	USD
CY2018Q1	us-gaap	Noninterest Income NoninterestIncome	7700000000	USD
CY2018Q1	us-gaap	Revenues Revenues	18872000000	USD
CY2018Q1	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1857000000	USD
CY2018Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	5807000000	USD
CY2018Q1	c	Labor And Related Expenses Intercompany LaborAndRelatedExpensesIntercompany	0	USD
CY2018Q1	c	Operating Expenses Excluding Labor And Related Expense OperatingExpensesExcludingLaborAndRelatedExpense	5118000000	USD
CY2018Q1	c	Other Noninterest Expense Intercompany OtherNoninterestExpenseIntercompany	0	USD
CY2018Q1	us-gaap	Noninterest Expense NoninterestExpense	10925000000	USD
CY2018Q1	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	0	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	6090000000	USD
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1441000000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4649000000	USD
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-7000000	USD
CY2018Q1	us-gaap	Profit Loss ProfitLoss	4642000000	USD
CY2018Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	22000000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	4620000000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	52000000	USD
CY2018Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	4672000000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	14000000	USD
CY2018Q1	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	22000000	USD
CY2018Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	4708000000	USD
CY2019Q1	c	Cash And Due From Banks Excluding Intercompany Activity CashAndDueFromBanksExcludingIntercompanyActivity	24448000000	USD
CY2019Q1	c	Cash And Due From Banks Intercompany CashAndDueFromBanksIntercompany	0	USD
CY2019Q1	c	Interestbearing Depositsin Banksand Other Financial Institutions Excluding Intercompany Activity InterestbearingDepositsinBanksandOtherFinancialInstitutionsExcludingIntercompanyActivity	181445000000	USD
CY2019Q1	c	Interestbearing Depositsin Banksand Other Financial Institutions Intercompany InterestbearingDepositsinBanksandOtherFinancialInstitutionsIntercompany	0	USD
CY2019Q1	us-gaap	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	264495000000	USD
CY2019Q1	c	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed Intercompany CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowedIntercompany	0	USD
CY2019Q1	us-gaap	Trading Securities TradingSecurities	286511000000	USD
CY2019Q1	c	Trading Securities Intercompany TradingSecuritiesIntercompany	0	USD
CY2019Q1	c	Investments Excluding Trading Securities InvestmentsExcludingTradingSecurities	349281000000	USD
CY2019Q1	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	682346000000	USD
CY2019Q1	c	Loans And Leases Receivable Net Of Deferred Income Intercompany LoansAndLeasesReceivableNetOfDeferredIncomeIntercompany	0	USD
CY2019Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12329000000	USD
CY2019Q1	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	670017000000	USD
CY2019Q1	c	Advances To Subsidiaries AdvancesToSubsidiaries	0	USD
CY2019Q1	c	Investments In Subsidiaries InvestmentsInSubsidiaries	0	USD
CY2019Q1	c	Other Assets Including Brokerage Receivables Goodwill Intangible Assets Mortgage Servicing Rights And Other Assets OtherAssetsIncludingBrokerageReceivablesGoodwillIntangibleAssetsMortgageServicingRightsAndOtherAssets	182216000000	USD
CY2019Q1	c	Other Assets Intercompany OtherAssetsIntercompany	0	USD
CY2019Q1	us-gaap	Assets Assets	1958413000000	USD
CY2019Q1	us-gaap	Deposits Deposits	1030355000000	USD
CY2019Q1	c	Deposits Intercompany DepositsIntercompany	0	USD
CY2019Q1	us-gaap	Carrying Value Of Federal Funds Purchased Securities Sold Under Agreements To Repurchase And Deposits Received For Securities Loaned CarryingValueOfFederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchaseAndDepositsReceivedForSecuritiesLoaned	190372000000	USD
CY2019Q1	c	Carrying Value Of Federal Funds Purchased Securities Sold Under Agreements To Repurchase And Deposits Received For Securities Loaned Intercompany CarryingValueOfFederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchaseAndDepositsReceivedForSecuritiesLoanedIntercompany	0	USD
CY2019Q1	us-gaap	Trading Liabilities TradingLiabilities	136392000000	USD
CY2019Q1	c	Trading Liabilities Intercompany TradingLiabilitiesIntercompany	0	USD
CY2019Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	39322000000	USD
CY2019Q1	c	Short Term Debt Intercompany ShortTermDebtIntercompany	0	USD
CY2019Q1	us-gaap	Long Term Debt LongTermDebt	243566000000	USD
CY2019Q1	c	Long Term Debt Intercompany LongTermDebtIntercompany	0	USD
CY2019Q1	c	Advances From Subsidiaries AdvancesFromSubsidiaries	0	USD
CY2019Q1	c	Brokerage Payables And Other Liabilities BrokeragePayablesAndOtherLiabilities	121391000000	USD
CY2019Q1	c	Other Liabilities Intercompany OtherLiabilitiesIntercompany	0	USD
CY2019Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	197015000000	USD
CY2019Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1958413000000	USD
CY2018Q4	c	Cash And Due From Banks Excluding Intercompany Activity CashAndDueFromBanksExcludingIntercompanyActivity	23645000000	USD
CY2018Q4	c	Cash And Due From Banks Intercompany CashAndDueFromBanksIntercompany	0	USD
CY2018Q4	c	Interestbearing Depositsin Banksand Other Financial Institutions Excluding Intercompany Activity InterestbearingDepositsinBanksandOtherFinancialInstitutionsExcludingIntercompanyActivity	164460000000	USD
CY2018Q4	c	Interestbearing Depositsin Banksand Other Financial Institutions Intercompany InterestbearingDepositsinBanksandOtherFinancialInstitutionsIntercompany	0	USD
CY2018Q4	us-gaap	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	270684000000	USD
CY2018Q4	c	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed Intercompany CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowedIntercompany	0	USD
CY2018Q4	us-gaap	Trading Securities TradingSecurities	256117000000	USD
CY2018Q4	c	Trading Securities Intercompany TradingSecuritiesIntercompany	0	USD
CY2018Q4	c	Investments Excluding Trading Securities InvestmentsExcludingTradingSecurities	358607000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	684196000000	USD
CY2018Q4	c	Loans And Leases Receivable Net Of Deferred Income Intercompany LoansAndLeasesReceivableNetOfDeferredIncomeIntercompany	0	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12315000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	671881000000	USD
CY2018Q4	c	Advances To Subsidiaries AdvancesToSubsidiaries	0	USD
CY2018Q4	c	Investments In Subsidiaries InvestmentsInSubsidiaries	0	USD
CY2018Q4	c	Other Assets Including Brokerage Receivables Goodwill Intangible Assets Mortgage Servicing Rights And Other Assets OtherAssetsIncludingBrokerageReceivablesGoodwillIntangibleAssetsMortgageServicingRightsAndOtherAssets	171989000000	USD
CY2018Q4	c	Other Assets Intercompany OtherAssetsIntercompany	0	USD
CY2018Q4	us-gaap	Assets Assets	1917383000000	USD
CY2018Q4	us-gaap	Deposits Deposits	1013170000000	USD
CY2018Q4	c	Deposits Intercompany DepositsIntercompany	0	USD
CY2018Q4	us-gaap	Carrying Value Of Federal Funds Purchased Securities Sold Under Agreements To Repurchase And Deposits Received For Securities Loaned CarryingValueOfFederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchaseAndDepositsReceivedForSecuritiesLoaned	177768000000	USD
CY2018Q4	c	Carrying Value Of Federal Funds Purchased Securities Sold Under Agreements To Repurchase And Deposits Received For Securities Loaned Intercompany CarryingValueOfFederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchaseAndDepositsReceivedForSecuritiesLoanedIntercompany	0	USD
CY2018Q4	us-gaap	Trading Liabilities TradingLiabilities	144305000000	USD
CY2018Q4	c	Trading Liabilities Intercompany TradingLiabilitiesIntercompany	0	USD
CY2018Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	32346000000	USD
CY2018Q4	c	Short Term Debt Intercompany ShortTermDebtIntercompany	0	USD
CY2018Q4	us-gaap	Long Term Debt LongTermDebt	231999000000	USD
CY2018Q4	c	Long Term Debt Intercompany LongTermDebtIntercompany	0	USD
CY2018Q4	c	Advances From Subsidiaries AdvancesFromSubsidiaries	0	USD
CY2018Q4	c	Brokerage Payables And Other Liabilities BrokeragePayablesAndOtherLiabilities	120721000000	USD
CY2018Q4	c	Other Liabilities Intercompany OtherLiabilitiesIntercompany	0	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	197074000000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1917383000000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	-37616000000	USD
CY2019Q1	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	69673000000	USD
CY2019Q1	c	Proceedsfrom Saleof Investmentsand Other Securities ProceedsfromSaleofInvestmentsandOtherSecurities	31436000000	USD
CY2019Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	47363000000	USD
CY2019Q1	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	892000000	USD
CY2019Q1	us-gaap	Proceeds From Sale Of Loans And Leases Held For Investment ProceedsFromSaleOfLoansAndLeasesHeldForInvestment	2062000000	USD
CY2019Q1	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	6189000000	USD
CY2019Q1	c	Proceeds From Payments To Acquire Investments And Advances Intercompany ProceedsFromPaymentsToAcquireInvestmentsAndAdvancesIntercompany	0	USD
CY2019Q1	c	Paymentsfor Proceedsfrom Other Investing Activities Including Capital Expenditures Proceeds From Ppe PaymentsforProceedsfromOtherInvestingActivitiesIncludingCapitalExpendituresProceedsFromPPE	442000000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	16043000000	USD
CY2019Q1	us-gaap	Payments Of Dividends PaymentsOfDividends	1320000000	USD
CY2019Q1	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	480000000	USD
CY2019Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4055000000	USD
CY2019Q1	us-gaap	Proceeds From Repayments Of Long Term Debt And Capital Securities ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities	8984000000	USD
CY2019Q1	c	Proceeds From Repayments Of Long Term Debt Intercompany ProceedsFromRepaymentsOfLongTermDebtIntercompany	0	USD
CY2019Q1	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	17186000000	USD
CY2019Q1	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	12604000000	USD
CY2019Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	6976000000	USD
CY2019Q1	c	Proceeds From Repayments Of Short Term Debt Intercompany ProceedsFromRepaymentsOfShortTermDebtIntercompany	0	USD
CY2019Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-358000000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	39537000000	USD
CY2019Q1	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-176000000	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	17788000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	188105000000	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	205893000000	USD
CY2019Q1	us-gaap	Cash And Due From Banks CashAndDueFromBanks	24448000000	USD
CY2019Q1	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	181445000000	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	205893000000	USD
CY2019Q1	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1325000000	USD
CY2019Q1	us-gaap	Interest Paid Net InterestPaidNet	6931000000	USD
CY2019Q1	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	2000000000	USD
CY2019Q1	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	36000000	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	6956000000	USD
CY2018Q1	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	41030000000	USD
CY2018Q1	c	Proceedsfrom Saleof Investmentsand Other Securities ProceedsfromSaleofInvestmentsandOtherSecurities	20688000000	USD
CY2018Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	21509000000	USD
CY2018Q1	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	8717000000	USD
CY2018Q1	us-gaap	Proceeds From Sale Of Loans And Leases Held For Investment ProceedsFromSaleOfLoansAndLeasesHeldForInvestment	1654000000	USD
CY2018Q1	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	USD
CY2018Q1	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	-25409000000	USD
CY2018Q1	c	Proceeds From Payments To Acquire Investments And Advances Intercompany ProceedsFromPaymentsToAcquireInvestmentsAndAdvancesIntercompany	0	USD
CY2018Q1	c	Paymentsfor Proceedsfrom Other Investing Activities Including Capital Expenditures Proceeds From Ppe PaymentsforProceedsfromOtherInvestingActivitiesIncludingCapitalExpendituresProceedsFromPPE	819000000	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-32124000000	USD
CY2018Q1	us-gaap	Payments Of Dividends PaymentsOfDividends	1095000000	USD
CY2018Q1	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	97000000	USD
CY2018Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2378000000	USD
CY2018Q1	us-gaap	Proceeds From Repayments Of Long Term Debt And Capital Securities ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities	2887000000	USD
CY2018Q1	c	Proceeds From Repayments Of Long Term Debt Intercompany ProceedsFromRepaymentsOfLongTermDebtIntercompany	0	USD
CY2018Q1	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	41397000000	USD
CY2018Q1	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	15482000000	USD
CY2018Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-8358000000	USD
CY2018Q1	c	Proceeds From Repayments Of Short Term Debt Intercompany ProceedsFromRepaymentsOfShortTermDebtIntercompany	0	USD
CY2018Q1	us-gaap	Proceeds From Contributions From Parent ProceedsFromContributionsFromParent	0	USD
CY2018Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-475000000	USD
CY2018Q1	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	47363000000	USD
CY2018Q1	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-7000000	USD
CY2018Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	22188000000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	180516000000	USD
CY2018Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	202704000000	USD
CY2018Q1	us-gaap	Cash And Due From Banks CashAndDueFromBanks	21850000000	USD
CY2018Q1	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	180854000000	USD
CY2018Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	202704000000	USD
CY2018Q1	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	738000000	USD
CY2018Q1	us-gaap	Interest Paid Net InterestPaidNet	4586000000	USD
CY2018Q1	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	900000000	USD
CY2018Q1	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	26000000	USD

Files In Submission

Name	View Source	Status
0000831001-19-000033-index-headers.html	Edgar Link	pending
0000831001-19-000033-index.html	Edgar Link	pending
0000831001-19-000033.txt	Edgar Link	pending
0000831001-19-000033-xbrl.zip	Edgar Link	pending
a1q19chartforwdesk.jpg	Edgar Link	pending
acitisegmentsq119chart.jpg	Edgar Link	pending
c-20190331.xsd	Edgar Link	pending
c-20190331_cal.xml	Edgar Link	unprocessable
c-20190331_def.xml	Edgar Link	unprocessable
c-20190331_lab.xml	Edgar Link	unprocessable
c-20190331_pre.xml	Edgar Link	unprocessable
c-3312019x10q.htm	Edgar Link	pending
c-3312019x10q_htm.xml	Edgar Link	completed
ccasiabcardsa04.jpg	Edgar Link	pending
ccglobalcardsa01.jpg	Edgar Link	pending
cclatambcardsa02.jpg	Edgar Link	pending
ccnabcardsa02.jpg	Edgar Link	pending
ccnarscardsa01.jpg	Edgar Link	pending
cctasiagcba01.jpg	Edgar Link	pending
cctglobala02.jpg	Edgar Link	pending
cctlatamgcba01.jpg	Edgar Link	pending
cctnagcba03.jpg	Edgar Link	pending
citi-exhibit1001x33120.htm	Edgar Link	pending
citi-exhibit1002x33120.htm	Edgar Link	pending
citi-exhibit301x3312019.htm	Edgar Link	pending
citi-exhibit3101x33120.htm	Edgar Link	pending
citi-exhibit3102x33120.htm	Edgar Link	pending
citi-exhibit3201x33120.htm	Edgar Link	pending
citiregions18q1.jpg	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
legenda16.jpg	Edgar Link	pending
legenda17.jpg	Edgar Link	pending
legenda18.jpg	Edgar Link	pending
legenda19.jpg	Edgar Link	pending
legenda20.jpg	Edgar Link	pending
legenda21.jpg	Edgar Link	pending
legenda22.jpg	Edgar Link	pending
legenda23.jpg	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R100.htm	Edgar Link	pending
R101.htm	Edgar Link	pending
R102.htm	Edgar Link	pending
R103.htm	Edgar Link	pending
R104.htm	Edgar Link	pending
R105.htm	Edgar Link	pending
R106.htm	Edgar Link	pending
R107.htm	Edgar Link	pending
R108.htm	Edgar Link	pending
R109.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R110.htm	Edgar Link	pending
R111.htm	Edgar Link	pending
R112.htm	Edgar Link	pending
R113.htm	Edgar Link	pending
R114.htm	Edgar Link	pending
R115.htm	Edgar Link	pending
R116.htm	Edgar Link	pending
R117.htm	Edgar Link	pending
R118.htm	Edgar Link	pending
R119.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R120.htm	Edgar Link	pending
R121.htm	Edgar Link	pending
R122.htm	Edgar Link	pending
R123.htm	Edgar Link	pending
R124.htm	Edgar Link	pending
R125.htm	Edgar Link	pending
R126.htm	Edgar Link	pending
R127.htm	Edgar Link	pending
R128.htm	Edgar Link	pending
R129.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R130.htm	Edgar Link	pending
R131.htm	Edgar Link	pending
R132.htm	Edgar Link	pending
R133.htm	Edgar Link	pending
R134.htm	Edgar Link	pending
R135.htm	Edgar Link	pending
R136.htm	Edgar Link	pending
R137.htm	Edgar Link	pending
R138.htm	Edgar Link	pending
R139.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R140.htm	Edgar Link	pending
R141.htm	Edgar Link	pending
R142.htm	Edgar Link	pending
R143.htm	Edgar Link	pending
R144.htm	Edgar Link	pending
R145.htm	Edgar Link	pending
R146.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R89.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R90.htm	Edgar Link	pending
R91.htm	Edgar Link	pending
R92.htm	Edgar Link	pending
R93.htm	Edgar Link	pending
R94.htm	Edgar Link	pending
R95.htm	Edgar Link	pending
R96.htm	Edgar Link	pending
R97.htm	Edgar Link	pending
R98.htm	Edgar Link	pending
R99.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$C
CITIGROUP INC Stock $c

2019 Q1 Form 10-Q Financial Statement

#000083100119000033 Filed on April 30, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$C CITIGROUP INC Stock $c

2019 Q1 Form 10-Q Financial Statement

#000083100119000033 Filed on April 30, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$C
CITIGROUP INC Stock $c