$C
CITIGROUP INC Stock $c

$c Overview Financials Valuation SEC Filings Company Website

2019 Q3 Form 10-Q Financial Statement

#000083100119000105 Filed on November 01, 2019

Income Statement

Concept	2019 Q3	2019 Q2	2019 Q1
Revenue	$18.57B	$18.76B	$18.58B
YoY Change	1.01%	1.56%	-1.57%
Cost Of Revenue	$2.088B	$2.093B	$1.980B
YoY Change	5.78%	15.51%	6.62%
Gross Profit	$16.49B	$16.67B	$16.60B
YoY Change	0.43%	0.05%	-2.46%
Gross Profit Margin	88.76%	88.84%	89.34%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$1.783B	$1.724B	$1.720B
YoY Change	-1.27%	-4.06%	-2.16%
% of Gross Profit	10.82%	10.35%	10.36%
Depreciation & Amortization	$983.0M	$952.0M	$931.0M
YoY Change	4.02%	2.48%	0.54%
% of Gross Profit	5.96%	5.71%	5.61%
Operating Expenses	$1.783B	$1.724B	$1.720B
YoY Change	-1.27%	-4.06%	-2.16%
Operating Profit	$14.70B	$14.94B	$14.88B
YoY Change	0.64%	0.55%	-2.5%
Interest Expense	$7.536B	$7.762B	$7.317B
YoY Change	18.34%	31.89%	41.8%
% of Operating Profit	51.25%	51.95%	49.19%
Other Income/Expense, Net	-$2.000M	$721.0M	$126.0M
YoY Change	-100.39%	32.05%	-66.93%
Pretax Income	$6.022B	$6.165B	$6.012B
YoY Change	-1.34%	3.7%	-1.28%
Income Tax	$1.079B	$1.373B	$1.275B
% Of Pretax Income	17.92%	22.27%	21.21%
Net Earnings	$4.913B	$4.799B	$4.710B
YoY Change	6.3%	6.88%	1.95%
Net Earnings / Revenue	26.45%	25.58%	25.36%
Basic Earnings Per Share	$2.09	$1.95	$1.88
Diluted Earnings Per Share	$2.07	$1.95	$1.87
COMMON SHARES
Basic Shares Outstanding	2.221B shares	2.286B shares	2.340B shares
Diluted Shares Outstanding	2.237B shares	2.289B shares	2.342B shares

Balance Sheet

Concept	2019 Q3	2019 Q2	2019 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$220.4B	$203.2B	$205.9B
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	$3.000B	$2.900B	$4.100B
YoY Change
Goodwill	$21.82B	$22.07B	$22.04B
YoY Change	-1.65%	0.03%	-2.75%
Intangibles	$4.844B	$5.026B	$5.196B
YoY Change	5.35%	6.28%	16.76%
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	$2015B	$1988B	$1958B
YoY Change	4.67%	3.97%	1.89%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$63.34B	$69.84B	$62.66B
YoY Change	-13.64%	3.2%	-10.09%
Accrued Expenses	$3.300B	$3.100B	$4.100B
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$35.23B	$42.44B	$39.32B
YoY Change	4.32%	13.99%	8.94%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$66.64B	$72.94B	$66.76B
YoY Change	-9.14%	7.78%	-4.2%
LONG-TERM LIABILITIES
Long-Term Debt	$236.7B	$244.5B	$233.1B
YoY Change	5.32%	9.58%	4.87%
Other Long-Term Liabilities	$190.8B	$195.8B	$191.0B
YoY Change	-6.39%	0.37%	-5.69%
Total Long-Term Liabilities	$427.5B	$440.3B	$424.1B
YoY Change	-0.25%	5.28%	-0.16%
TOTAL LIABILITIES
Total Short-Term Liabilities	$66.64B	$72.94B	$66.76B
Total Long-Term Liabilities	$427.5B	$440.3B	$424.1B
Total Liabilities	$1818B	$1790B	$1761B
YoY Change	5.24%	4.6%	2.45%
SHAREHOLDERS EQUITY
Retained Earnings	$161.8B	$158.3B	$154.9B
YoY Change	9.0%	9.03%	9.16%
Common Stock	$31.00M	$31.00M	$31.00M
YoY Change	0.0%	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$56.54B	$51.43B	$47.86B
YoY Change	42.5%	49.44%	49.03%
Treasury Stock Shares	916.4M shares	840.5M shares	787.1M shares
Shareholders Equity	$196.4B	$197.4B	$196.3B
YoY Change
Total Liabilities & Shareholders Equity	$2015B	$1988B	$1958B
YoY Change	4.66%	3.97%	1.89%

Cashflow Statement

Concept	2019 Q3	2019 Q2	2019 Q1
OPERATING ACTIVITIES
Net Income	$4.913B	$4.799B	$4.710B
YoY Change	6.3%	6.88%	1.95%
Depreciation, Depletion And Amortization	$983.0M	$952.0M	$931.0M
YoY Change	4.02%	2.48%	0.54%
Cash From Operating Activities	$2.398B	-$140.0M	-$37.62B
YoY Change	-88.97%	-110.27%	-640.77%
INVESTING ACTIVITIES
Capital Expenditures	-$1.011B	-$2.831B	$518.0M
YoY Change	1.92%	292.65%	-46.54%
Acquisitions
YoY Change
Other Investing Activities	-$16.38B	-$7.914B	-$38.00M
YoY Change	-13.53%	109.14%	-22.45%
Cash From Investing Activities	-$17.39B	-$10.75B	$16.04B
YoY Change	-12.76%	138.51%	-149.94%
FINANCING ACTIVITIES
Cash Dividend Paid			$1.320B
YoY Change			20.55%
Common Stock Issuance & Retirement, Net			$4.055B
YoY Change			70.52%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	32.84B	8.775B	39.54B
YoY Change	-1088.23%	353.25%	-16.52%
NET CHANGE
Cash From Operating Activities	2.398B	-140.0M	-37.62B
Cash From Investing Activities	-17.39B	-10.75B	16.04B
Cash From Financing Activities	32.84B	8.775B	39.54B
Net Change In Cash	17.85B	-2.110B	$17.79B
YoY Change	-1281.92%	74.96%	-19.83%
FREE CASH FLOW
Cash From Operating Activities	$2.398B	-$140.0M	-$37.62B
Capital Expenditures	-$1.011B	-$2.831B	$518.0M
Free Cash Flow	$3.409B	$2.691B	-$38.13B
YoY Change	-85.01%	29.13%	-736.95%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2018Q4	c	Long Term Care Insurance Indemnification Liability LongTermCareInsuranceIndemnificationLiability	0	USD
CY2018Q3	c	Non Marketable Equity Securities Impairment Recognized In Earnings NonMarketableEquitySecuritiesImpairmentRecognizedInEarnings	0	USD
	c	Non Marketable Equity Securities Impairment Recognized In Earnings NonMarketableEquitySecuritiesImpairmentRecognizedInEarnings	0	USD
	c	Non Marketable Equity Securities Impairment Recognized In Earnings NonMarketableEquitySecuritiesImpairmentRecognizedInEarnings	0	USD
CY2018Q4	c	Number Of Trust Funded By Reinsurer NumberOfTrustFundedByReinsurer	2	trust
CY2018Q4	c	Trust Preferred Securities Carrying Value TrustPreferredSecuritiesCarryingValue	1700000000	USD
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
	dei	Entity Central Index Key EntityCentralIndexKey	0000831001
CY2018Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.32
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.45
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	6000000000	shares
CY2019Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	6000000000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	3099567177	shares
CY2019Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	3099602855.81	shares
CY2018Q4	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	9289000000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	9821000000	USD
CY2018Q4	us-gaap	Debt Securities Trading Restricted DebtSecuritiesTradingRestricted	112932000000	USD
CY2019Q3	us-gaap	Debt Securities Trading Restricted DebtSecuritiesTradingRestricted	138658000000	USD
CY2018Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	1109000000	USD
CY2019Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	1137000000	USD
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CY2018Q4	us-gaap	Held To Maturity Securities Restricted HeldToMaturitySecuritiesRestricted	971000000	USD
CY2019Q3	us-gaap	Held To Maturity Securities Restricted HeldToMaturitySecuritiesRestricted	1601000000	USD
CY2019Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.036
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CY2018Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	731099833	shares
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	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	1-9924
	dei	Entity Registrant Name EntityRegistrantName	Citigroup Inc
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	52-1568099
	dei	Entity Address Address Line1 EntityAddressAddressLine1	388 Greenwich Street,
	dei	Entity Address City Or Town EntityAddressCityOrTown	New York
	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	10013
	dei	City Area Code CityAreaCode	212
	dei	Local Phone Number LocalPhoneNumber	559-1000
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
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CY2019Q3	c	Administration And Other Fiduciary Fees AdministrationAndOtherFiduciaryFees	880000000	USD
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CY2019Q3	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	361000000	USD
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CY2019Q3	us-gaap	Profit Loss ProfitLoss	4928000000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	4625000000	USD
	us-gaap	Profit Loss ProfitLoss	14472000000	USD
	us-gaap	Profit Loss ProfitLoss	13783000000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	15000000	USD
CY2018Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	50000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	51000000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	4913000000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	4622000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	14422000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	13732000000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.09
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.74
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	5.92
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	5.04
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.01
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.09
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.73
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.92
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.04
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2220800000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2479800000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2282400000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2524100000	shares
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.08
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.74
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	5.89
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	5.04
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.07
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.73
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.89
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.04
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2237100000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2481400000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2298200000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2525500000	shares
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	4913000000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	4622000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	14422000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	13732000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	307000000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-605000000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	2145000000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-2161000000	USD
CY2019Q3	c	Other Comprehensive Income Loss Financial Liabilities Adjustment Excluding Opening Impact Netof Tax OtherComprehensiveIncomeLossFinancialLiabilitiesAdjustmentExcludingOpeningImpactNetofTax	210000000	USD
CY2018Q3	c	Other Comprehensive Income Loss Financial Liabilities Adjustment Excluding Opening Impact Netof Tax OtherComprehensiveIncomeLossFinancialLiabilitiesAdjustmentExcludingOpeningImpactNetofTax	-287000000	USD
	c	Other Comprehensive Income Loss Financial Liabilities Adjustment Excluding Opening Impact Netof Tax OtherComprehensiveIncomeLossFinancialLiabilitiesAdjustmentExcludingOpeningImpactNetofTax	-358000000	USD
	c	Other Comprehensive Income Loss Financial Liabilities Adjustment Excluding Opening Impact Netof Tax OtherComprehensiveIncomeLossFinancialLiabilitiesAdjustmentExcludingOpeningImpactNetofTax	159000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	253000000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-74000000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	1056000000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-397000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	250000000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-26000000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	567000000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-415000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-1442000000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-221000000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-1293000000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-1968000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease After Adjustments And Tax Parent OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent	-10000000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease After Adjustments And Tax Parent OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent	10000000	USD
	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease After Adjustments And Tax Parent OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent	52000000	USD
	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease After Adjustments And Tax Parent OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent	-22000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-932000000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1151000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1035000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3974000000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	3981000000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	3471000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	15457000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	9758000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	-33000000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	8000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	-26000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	-35000000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	15000000	USD
CY2018Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	50000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	51000000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	3963000000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	3482000000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	15481000000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	9774000000	USD
CY2019Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	24086000000	USD
CY2018Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	23645000000	USD
CY2019Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	196357000000	USD
CY2018Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	164460000000	USD
CY2019Q3	us-gaap	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	261125000000	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
CY2019Q3	c	Brokerage Receivables BrokerageReceivables	54215000000	USD
CY2018Q4	c	Brokerage Receivables BrokerageReceivables	35450000000	USD
CY2019Q3	us-gaap	Trading Securities TradingSecurities	306824000000	USD
CY2018Q4	us-gaap	Trading Securities TradingSecurities	256117000000	USD
CY2019Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	275425000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	288038000000	USD
CY2019Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	75841000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	63357000000	USD
CY2019Q3	c	Non Marketable Equity Securities NonMarketableEquitySecurities	7117000000	USD
CY2018Q4	c	Non Marketable Equity Securities NonMarketableEquitySecurities	7212000000	USD
CY2019Q3	c	Investments Excluding Trading Securities InvestmentsExcludingTradingSecurities	358383000000	USD
CY2018Q4	c	Investments Excluding Trading Securities InvestmentsExcludingTradingSecurities	358607000000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	691743000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	684196000000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12530000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12315000000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	679213000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	671881000000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	21822000000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	22046000000	USD
CY2019Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	4844000000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	5220000000	USD
CY2019Q3	us-gaap	Other Assets OtherAssets	107933000000	USD
CY2018Q4	us-gaap	Other Assets OtherAssets	109273000000	USD
CY2019Q3	us-gaap	Assets Assets	2014802000000	USD
CY2018Q4	us-gaap	Assets Assets	1917383000000	USD
CY2019Q3	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	99731000000	USD
CY2018Q4	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	105836000000	USD
CY2019Q3	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	407872000000	USD
CY2018Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	361573000000	USD
CY2019Q3	us-gaap	Noninterest Bearing Deposit Liabilities Foreign NoninterestBearingDepositLiabilitiesForeign	82723000000	USD
CY2018Q4	us-gaap	Noninterest Bearing Deposit Liabilities Foreign NoninterestBearingDepositLiabilitiesForeign	80648000000	USD
CY2019Q3	us-gaap	Interest Bearing Deposit Liabilities Foreign InterestBearingDepositLiabilitiesForeign	497443000000	USD
CY2018Q4	us-gaap	Interest Bearing Deposit Liabilities Foreign InterestBearingDepositLiabilitiesForeign	465113000000	USD
CY2019Q3	us-gaap	Deposits Deposits	1087769000000	USD
CY2018Q4	us-gaap	Deposits Deposits	1013170000000	USD
CY2019Q3	us-gaap	Carrying Value Of Federal Funds Purchased Securities Sold Under Agreements To Repurchase And Deposits Received For Securities Loaned CarryingValueOfFederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchaseAndDepositsReceivedForSecuritiesLoaned	195047000000	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
CY2019Q3	c	Brokerage Payables BrokeragePayables	63342000000	USD
CY2018Q4	c	Brokerage Payables BrokeragePayables	64571000000	USD
CY2019Q3	us-gaap	Trading Liabilities TradingLiabilities	135596000000	USD
CY2018Q4	us-gaap	Trading Liabilities TradingLiabilities	144305000000	USD
CY2019Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	35230000000	USD
CY2018Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	32346000000	USD
CY2019Q3	us-gaap	Long Term Debt LongTermDebt	242238000000	USD
CY2018Q4	us-gaap	Long Term Debt LongTermDebt	231999000000	USD
CY2019Q3	us-gaap	Other Liabilities OtherLiabilities	58510000000	USD
CY2018Q4	us-gaap	Other Liabilities OtherLiabilities	56150000000	USD
CY2019Q3	us-gaap	Liabilities Liabilities	1817732000000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	1720309000000	USD
CY2019Q3	us-gaap	Preferred Stock Value PreferredStockValue	19480000000	USD
CY2018Q4	us-gaap	Preferred Stock Value PreferredStockValue	18460000000	USD
CY2019Q3	us-gaap	Common Stock Value CommonStockValue	31000000	USD
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	31000000	USD
CY2019Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	107741000000	USD
CY2018Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	107922000000	USD
CY2019Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	161797000000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	151347000000	USD
CY2019Q3	us-gaap	Treasury Stock Value TreasuryStockValue	56541000000	USD
CY2018Q4	us-gaap	Treasury Stock Value TreasuryStockValue	44370000000	USD
CY2019Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-36135000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-37170000000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	196373000000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	196220000000	USD
CY2019Q3	us-gaap	Minority Interest MinorityInterest	697000000	USD
CY2018Q4	us-gaap	Minority Interest MinorityInterest	854000000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	197070000000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	197074000000	USD
CY2019Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2014802000000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1917383000000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	197070000000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	197863000000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	197070000000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	197863000000	USD
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.45
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.51
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.32
CY2018Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.45
	us-gaap	Profit Loss ProfitLoss	14472000000	USD
	us-gaap	Profit Loss ProfitLoss	13783000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	50000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	51000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	14422000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	13732000000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	14422000000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	13732000000	USD
	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	0	USD
	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	247000000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	2866000000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	2800000000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	6095000000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	5504000000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	959000000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	341000000	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	28000000	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	113000000	USD
	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	50790000000	USD
	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	4831000000	USD
	us-gaap	Increase Decrease In Trading Liabilities IncreaseDecreaseInTradingLiabilities	-8709000000	USD
	us-gaap	Increase Decrease In Trading Liabilities IncreaseDecreaseInTradingLiabilities	22482000000	USD
	us-gaap	Increase Decrease In Broker Dealer Related Receivables Payables Net IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet	19994000000	USD
	us-gaap	Increase Decrease In Broker Dealer Related Receivables Payables Net IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet	-9709000000	USD
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	-287000000	USD
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	-1380000000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-2866000000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	8696000000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2360000000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-848000000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-16170000000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	10691000000	USD
	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	-49780000000	USD
	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	16334000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	-35358000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	30066000000	USD
	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	9559000000	USD
	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	-48462000000	USD
	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	11518000000	USD
	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	16131000000	USD
	us-gaap	Proceeds From Sale Of Loans And Leases Held For Investment ProceedsFromSaleOfLoansAndLeasesHeldForInvestment	2717000000	USD
	us-gaap	Proceeds From Sale Of Loans And Leases Held For Investment ProceedsFromSaleOfLoansAndLeasesHeldForInvestment	4021000000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	196733000000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	112554000000	USD
	c	Proceedsfrom Saleof Investmentsand Other Securities ProceedsfromSaleofInvestmentsandOtherSecurities	96400000000	USD
	c	Proceedsfrom Saleof Investmentsand Other Securities ProceedsfromSaleofInvestmentsandOtherSecurities	52170000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	91656000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	66440000000	USD
	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	USD
	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	314000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4360000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2682000000	USD
	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	82000000	USD
	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	174000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-105000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-147000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-12092000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-56563000000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	4048000000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	3616000000	USD
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	1496000000	USD
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	480000000	USD
	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	218000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	12495000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	9848000000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	360000000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	479000000	USD
	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	17279000000	USD
	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	19638000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	40174000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	53027000000	USD
	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	37898000000	USD
	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	47201000000	USD
CY2018Q3	us-gaap	Disposal Group Including Discontinued Operation Gross Profit Loss DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss	0	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	74599000000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	45354000000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	2884000000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-10681000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	81151000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	45976000000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1363000000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-709000000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	32338000000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	18770000000	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
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	220443000000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	199286000000	USD
CY2019Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	24086000000	USD
CY2018Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	25727000000	USD
CY2019Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	196357000000	USD
CY2018Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	173559000000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	220443000000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	199286000000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3735000000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3261000000	USD
	us-gaap	Interest Paid Net InterestPaidNet	22343000000	USD
	us-gaap	Interest Paid Net InterestPaidNet	16278000000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	4400000000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	3300000000	USD
CY2019Q3	us-gaap	Disposal Group Including Discontinued Operation Gross Profit Loss DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss	0	USD
	us-gaap	Disposal Group Including Discontinued Operation Gross Profit Loss DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss	0	USD
	us-gaap	Disposal Group Including Discontinued Operation Gross Profit Loss DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss	0	USD
CY2019Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-15000000	USD
CY2018Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-8000000	USD
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-27000000	USD
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-17000000	USD
CY2019Q3	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	0	USD
CY2018Q3	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	0	USD
	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	-27000000	USD
	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	-17000000	USD
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-15000000	USD
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-8000000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2019Q3	us-gaap	Revenues Revenues	18574000000	USD
CY2018Q3	us-gaap	Revenues Revenues	18389000000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1079000000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1471000000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4943000000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4633000000	USD
CY2019Q3	us-gaap	Assets Assets	2015000000000	USD
CY2018Q4	us-gaap	Assets Assets	1917000000000	USD
	us-gaap	Revenues Revenues	55908000000	USD
	us-gaap	Revenues Revenues	55730000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3727000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4356000000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	14472000000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	13783000000	USD
CY2019Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	11993000000	USD
CY2018Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	11639000000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	35942000000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	33721000000	USD
CY2019Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	736000000	USD
CY2018Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	629000000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	2079000000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	1554000000	USD
CY2018Q3	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	1425000000	USD
CY2019Q3	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	1745000000	USD
	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	5422000000	USD
	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	3800000000	USD
CY2019Q3	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	2411000000	USD
CY2018Q3	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	2388000000	USD
	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	7464000000	USD
	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	6996000000	USD
CY2019Q3	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	1893000000	USD
CY2018Q3	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	1655000000	USD
	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	5719000000	USD
	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	4789000000	USD
CY2019Q3	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	399000000	USD
CY2018Q3	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	434000000	USD
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	1339000000	USD
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	1192000000	USD
CY2019Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	19177000000	USD
CY2018Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	18170000000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	57965000000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	52052000000	USD
CY2019Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	3369000000	USD
CY2018Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2580000000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	9680000000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	6821000000	USD
CY2019Q3	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	1630000000	USD
CY2018Q3	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	1250000000	USD
	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	4943000000	USD
	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	3423000000	USD
CY2019Q3	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	345000000	USD
CY2018Q3	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	273000000	USD
	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	992000000	USD
	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	724000000	USD
CY2019Q3	us-gaap	Interest Expense Short Term Borrowings Excluding Federal Funds And Securities Sold Under Agreements To Repurchase InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase	609000000	USD
CY2018Q3	us-gaap	Interest Expense Short Term Borrowings Excluding Federal Funds And Securities Sold Under Agreements To Repurchase InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase	578000000	USD
	us-gaap	Interest Expense Short Term Borrowings Excluding Federal Funds And Securities Sold Under Agreements To Repurchase InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase	1976000000	USD
	us-gaap	Interest Expense Short Term Borrowings Excluding Federal Funds And Securities Sold Under Agreements To Repurchase InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase	1572000000	USD
CY2019Q3	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	1583000000	USD
CY2018Q3	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	1687000000	USD
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	5024000000	USD
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	4873000000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	7536000000	USD
CY2018Q3	us-gaap	Interest Expense InterestExpense	6368000000	USD
	us-gaap	Interest Expense InterestExpense	22615000000	USD
	us-gaap	Interest Expense InterestExpense	17413000000	USD
CY2019Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	11641000000	USD
CY2018Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	11802000000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	35350000000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	34639000000	USD
CY2019Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	2062000000	USD
CY2018Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1906000000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	6095000000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	5504000000	USD
CY2019Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	9579000000	USD
CY2018Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	9896000000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	29255000000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	29135000000	USD
CY2019Q3	c	Insurance Fees And Charges InsuranceFeesAndCharges	199000000	USD
CY2018Q3	c	Insurance Fees And Charges InsuranceFeesAndCharges	311000000	USD
	c	Insurance Fees And Charges InsuranceFeesAndCharges	581000000	USD
	c	Insurance Fees And Charges InsuranceFeesAndCharges	1006000000	USD
CY2019Q3	c	Commissions And Fees CommissionsAndFees	2906000000	USD
	c	Commissions And Fees CommissionsAndFees	8713000000	USD
CY2018Q3	c	Commissions And Fees CommissionsAndFees	2803000000	USD
	c	Commissions And Fees CommissionsAndFees	8944000000	USD
CY2019Q3	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	2802000000	USD
CY2018Q3	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	2364000000	USD
	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	7480000000	USD
	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	7732000000	USD
CY2019Q3	c	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment For Actuarial Assumption Changes And Plan Experience Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentForActuarialAssumptionChangesAndPlanExperienceBeforeTax	-788000000	USD
	c	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment For Actuarial Assumption Changes And Plan Experience Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentForActuarialAssumptionChangesAndPlanExperienceBeforeTax	-2397000000	USD
CY2019Q3	c	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment For Actual Plan Asset Returns Exceeding Expected Returns Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentForActualPlanAssetReturnsExceedingExpectedReturnsBeforeTax	-306000000	USD
	c	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment For Actual Plan Asset Returns Exceeding Expected Returns Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentForActualPlanAssetReturnsExceedingExpectedReturnsBeforeTax	-1439000000	USD
CY2019Q3	c	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	70000000	USD
	c	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	198000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	0	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	5000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	-5000000	USD
	us-gaap	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationNetOfTax	-3000000	USD
CY2019Q3	c	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Foreign Exchange Impact And Other Adjustments Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansForeignExchangeImpactAndOtherAdjustmentsBeforeTax	-61000000	USD
	c	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Foreign Exchange Impact And Other Adjustments Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansForeignExchangeImpactAndOtherAdjustmentsBeforeTax	-14000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	106000000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	187000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	250000000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	567000000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4943000000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4633000000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	14472000000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	13783000000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	15000000	USD
CY2018Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	50000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	51000000	USD
CY2019Q3	c	Income Loss From Continuing Operation After Noncontrolling Interest IncomeLossFromContinuingOperationAfterNoncontrollingInterest	4928000000	USD
CY2018Q3	c	Income Loss From Continuing Operation After Noncontrolling Interest IncomeLossFromContinuingOperationAfterNoncontrollingInterest	4630000000	USD
	c	Income Loss From Continuing Operation After Noncontrolling Interest IncomeLossFromContinuingOperationAfterNoncontrollingInterest	14422000000	USD
	c	Income Loss From Continuing Operation After Noncontrolling Interest IncomeLossFromContinuingOperationAfterNoncontrollingInterest	13732000000	USD
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-15000000	USD
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-8000000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	4913000000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	4622000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	14422000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	13732000000	USD
CY2019Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	254000000	USD
CY2018Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	270000000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	812000000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	860000000	USD
CY2019Q3	c	Income Loss Available To Common Stockholders IncomeLossAvailableToCommonStockholders	4659000000	USD
CY2018Q3	c	Income Loss Available To Common Stockholders IncomeLossAvailableToCommonStockholders	4352000000	USD
	c	Income Loss Available To Common Stockholders IncomeLossAvailableToCommonStockholders	13610000000	USD
	c	Income Loss Available To Common Stockholders IncomeLossAvailableToCommonStockholders	12872000000	USD
CY2019Q3	c	Income Allocated To Employee Restricted And Deferred Shares That Contain Nonforfeitable Rights To Dividends IncomeAllocatedToEmployeeRestrictedAndDeferredSharesThatContainNonforfeitableRightsToDividends	27000000	USD
CY2018Q3	c	Income Allocated To Employee Restricted And Deferred Shares That Contain Nonforfeitable Rights To Dividends IncomeAllocatedToEmployeeRestrictedAndDeferredSharesThatContainNonforfeitableRightsToDividends	51000000	USD
	c	Income Allocated To Employee Restricted And Deferred Shares That Contain Nonforfeitable Rights To Dividends IncomeAllocatedToEmployeeRestrictedAndDeferredSharesThatContainNonforfeitableRightsToDividends	88000000	USD
	c	Income Allocated To Employee Restricted And Deferred Shares That Contain Nonforfeitable Rights To Dividends IncomeAllocatedToEmployeeRestrictedAndDeferredSharesThatContainNonforfeitableRightsToDividends	151000000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4632000000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4301000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	13522000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	12721000000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2220800000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2479800000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2282400000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2524100000	shares
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.09
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.74
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	5.92
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	5.04
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.01
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.09
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.73
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.92
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.04
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4632000000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4301000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	13522000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	12721000000	USD
CY2019Q3	c	Dividends Allocatedto Employee Restricted And Deferred Shares That Contain Forfeitable Rightsto Dividends DividendsAllocatedtoEmployeeRestrictedAndDeferredSharesThatContainForfeitableRightstoDividends	9000000	USD
CY2018Q3	c	Dividends Allocatedto Employee Restricted And Deferred Shares That Contain Forfeitable Rightsto Dividends DividendsAllocatedtoEmployeeRestrictedAndDeferredSharesThatContainForfeitableRightstoDividends	0	USD
	c	Dividends Allocatedto Employee Restricted And Deferred Shares That Contain Forfeitable Rightsto Dividends DividendsAllocatedtoEmployeeRestrictedAndDeferredSharesThatContainForfeitableRightstoDividends	24000000	USD
	c	Dividends Allocatedto Employee Restricted And Deferred Shares That Contain Forfeitable Rightsto Dividends DividendsAllocatedtoEmployeeRestrictedAndDeferredSharesThatContainForfeitableRightstoDividends	0	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	4641000000	USD
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	4301000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	13546000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	12721000000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2220800000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2479800000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2282400000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2524100000	shares
CY2019Q3	us-gaap	Incremental Common Shares Attributable To Written Put Options IncrementalCommonSharesAttributableToWrittenPutOptions	100000	shares
CY2018Q3	us-gaap	Incremental Common Shares Attributable To Written Put Options IncrementalCommonSharesAttributableToWrittenPutOptions	200000	shares
	us-gaap	Incremental Common Shares Attributable To Written Put Options IncrementalCommonSharesAttributableToWrittenPutOptions	100000	shares
	us-gaap	Incremental Common Shares Attributable To Written Put Options IncrementalCommonSharesAttributableToWrittenPutOptions	100000	shares
CY2019Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	16200000	shares
CY2018Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1400000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	15700000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1300000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2237100000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2481400000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2298200000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2525500000	shares
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.08
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.74
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	5.89
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	5.04
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.07
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.73
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.89
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.04
	us-gaap	Schedule Of Resale Agreements ScheduleOfResaleAgreements	<div style="line-height:120%;text-indent:24px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;">Securities borrowed and purchased under agreements to resell</span><span style="font-family:inherit;font-size:10pt;">, at their respective carrying values, 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: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;">September 30, <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;">Securities purchased under agreements to resell</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;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>169,756</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">$</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>159,364</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;">Deposits paid for securities borrowed</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>91,369</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>111,320</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;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="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;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;">$</span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>261,125</span></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">$</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>270,684</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></table></div><span style="font-family:inherit;font-size:10pt;"><br/></span></div>
CY2019Q3	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	169756000000	USD
CY2018Q4	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	159364000000	USD
CY2019Q3	us-gaap	Deposits Paid For Securities Borrowed At Carrying Value DepositsPaidForSecuritiesBorrowedAtCarryingValue	91369000000	USD
CY2018Q4	us-gaap	Deposits Paid For Securities Borrowed At Carrying Value DepositsPaidForSecuritiesBorrowedAtCarryingValue	111320000000	USD
CY2019Q3	us-gaap	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	261125000000	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
	us-gaap	Schedule Of Repurchase Agreements ScheduleOfRepurchaseAgreements	<div style="line-height:120%;padding-bottom:10px;padding-top:10px;text-indent:24px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;">Securities loaned and sold under agreements to repurchase</span><span style="font-family:inherit;font-size:10pt;">, at their respective carrying values, consisted of the following:</span></div><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;">September 30, <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;">Securities sold under agreements to repurchase</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;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>180,875</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">$</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>166,090</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;">Deposits received for securities loaned</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>14,172</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>11,678</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;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="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;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;">$</span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;font-weight:bold;"><span>195,047</span></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:9pt;"><span style="font-family:inherit;font-size:9pt;">$</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>177,768</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></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><div style="line-height:120%;text-align:left;font-size:8pt;"><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>$9.5 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;">September 30, 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><span style="font-family:inherit;font-size:8pt;">. </span></div>
CY2019Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	180875000000	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	166090000000	USD
CY2019Q3	us-gaap	Deposits Received For Securities Loaned At Carrying Value DepositsReceivedForSecuritiesLoanedAtCarryingValue	14172000000	USD
CY2018Q4	us-gaap	Deposits Received For Securities Loaned At Carrying Value DepositsReceivedForSecuritiesLoanedAtCarryingValue	11678000000	USD
CY2019Q3	us-gaap	Carrying Value Of Federal Funds Purchased Securities Sold Under Agreements To Repurchase And Deposits Received For Securities Loaned CarryingValueOfFederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchaseAndDepositsReceivedForSecuritiesLoaned	195047000000	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
CY2019Q3	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	9500000000	USD
CY2018Q4	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	15900000000	USD
CY2019Q3	us-gaap	Securities Purchased Under Agreements To Resell Gross SecuritiesPurchasedUnderAgreementsToResellGross	272676000000	USD
CY2019Q3	us-gaap	Securities Purchased Under Agreements To Resell Liability SecuritiesPurchasedUnderAgreementsToResellLiability	102920000000	USD
CY2019Q3	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	169756000000	USD
CY2019Q3	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnSecurities	133878000000	USD
CY2019Q3	us-gaap	Securities Purchased Under Agreements To Resell Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellAmountOffsetAgainstCollateral	35878000000	USD
CY2019Q3	us-gaap	Securities Borrowed Gross SecuritiesBorrowedGross	94342000000	USD
CY2019Q3	us-gaap	Securities Borrowed Liability SecuritiesBorrowedLiability	2973000000	USD
CY2019Q3	us-gaap	Deposits Paid For Securities Borrowed At Carrying Value DepositsPaidForSecuritiesBorrowedAtCarryingValue	91369000000	USD
CY2019Q3	us-gaap	Securities Borrowed Collateral Obligation To Return Securities SecuritiesBorrowedCollateralObligationToReturnSecurities	25456000000	USD
CY2019Q3	us-gaap	Securities Borrowed Amount Offset Against Collateral SecuritiesBorrowedAmountOffsetAgainstCollateral	65913000000	USD
CY2019Q3	c	Securities Purchased Under Agreements To Resell Securities Borrowed Gross SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedGross	367018000000	USD
CY2019Q3	c	Securities Purchased Under Agreements To Resell Securities Borrowed Liability SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability	105893000000	USD
CY2019Q3	us-gaap	Carrying Value Of Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	261125000000	USD
CY2019Q3	c	Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnSecurities	159334000000	USD
CY2019Q3	c	Securities Purchased Under Agreements To Resell Securities Borrowed Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedAmountOffsetAgainstCollateral	101791000000	USD
CY2019Q3	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	283795000000	USD
CY2019Q3	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	102920000000	USD
CY2019Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	180875000000	USD
CY2019Q3	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	92860000000	USD
CY2019Q3	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	88015000000	USD
CY2019Q3	us-gaap	Securities Loaned Gross SecuritiesLoanedGross	17145000000	USD
CY2019Q3	us-gaap	Securities Loaned Asset SecuritiesLoanedAsset	2973000000	USD
CY2019Q3	us-gaap	Deposits Received For Securities Loaned At Carrying Value DepositsReceivedForSecuritiesLoanedAtCarryingValue	14172000000	USD
CY2019Q3	us-gaap	Securities Loaned Collateral Right To Reclaim Securities SecuritiesLoanedCollateralRightToReclaimSecurities	4629000000	USD
CY2019Q3	us-gaap	Securities Loaned Amount Offset Against Collateral SecuritiesLoanedAmountOffsetAgainstCollateral	9543000000	USD
CY2019Q3	c	Securities Sold Under Agreements To Resell Securities Loaned Gross SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	300940000000	USD
CY2019Q3	c	Securities Sold Under Agreements To Resell Securities Loaned Asset SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset	105893000000	USD
CY2019Q3	us-gaap	Carrying Value Of Securities Sold Under Repurchase Agreements And Deposits Received For Securities Loaned CarryingValueOfSecuritiesSoldUnderRepurchaseAgreementsAndDepositsReceivedForSecuritiesLoaned	195047000000	USD
CY2019Q3	c	Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities	97489000000	USD
CY2019Q3	c	Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral	97558000000	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	Securities Borrowed Liability SecuritiesBorrowedLiability	0	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	Securities Loaned Asset SecuritiesLoanedAsset	0	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
CY2019Q3	us-gaap	Financial Assets Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement FinancialAssetsSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	283795000000	USD
CY2019Q3	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	17145000000	USD
CY2019Q3	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	300940000000	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
CY2019Q3	us-gaap	Financial Assets Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement FinancialAssetsSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	283795000000	USD
CY2019Q3	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	17145000000	USD
CY2019Q3	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	300940000000	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
	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;">September 30, <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>19,470</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>34,745</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>54,215</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>42,256</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>21,086</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>63,342</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.
CY2019Q3	us-gaap	Receivables From Customers ReceivablesFromCustomers	19470000000	USD
CY2018Q4	us-gaap	Receivables From Customers ReceivablesFromCustomers	14415000000	USD
CY2019Q3	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	34745000000	USD
CY2018Q4	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	21035000000	USD
CY2019Q3	c	Brokerage Payables BrokeragePayables	63342000000	USD
CY2019Q3	c	Brokerage Receivables BrokerageReceivables	54215000000	USD
CY2018Q4	c	Brokerage Receivables BrokerageReceivables	35450000000	USD
CY2019Q3	srt	Payables To Customers PayablesToCustomers	42256000000	USD
CY2018Q4	srt	Payables To Customers PayablesToCustomers	40273000000	USD
CY2019Q3	srt	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	21086000000	USD
CY2018Q4	srt	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	24298000000	USD
CY2018Q4	c	Brokerage Payables BrokeragePayables	64571000000	USD
CY2019Q3	c	Investments Excluding Trading Securities InvestmentsExcludingTradingSecurities	358383000000	USD
CY2018Q4	c	Investments Excluding Trading Securities InvestmentsExcludingTradingSecurities	358607000000	USD
CY2019Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	2291000000	USD
CY2018Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	2195000000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	6987000000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	6395000000	USD
CY2019Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	75000000	USD
CY2018Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	130000000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	328000000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	392000000	USD
CY2019Q3	us-gaap	Dividend Income Operating DividendIncomeOperating	45000000	USD
CY2018Q3	us-gaap	Dividend Income Operating DividendIncomeOperating	63000000	USD
	us-gaap	Dividend Income Operating DividendIncomeOperating	149000000	USD
	us-gaap	Dividend Income Operating DividendIncomeOperating	209000000	USD
CY2019Q3	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	2411000000	USD
CY2018Q3	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	2388000000	USD
	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	7464000000	USD
	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	6996000000	USD
CY2019Q3	c	Gross Realized Gain On Marketable Securities And Cost Method Investments Excluding Other Than Temporary Impairments And Other Investments GrossRealizedGainOnMarketableSecuritiesAndCostMethodInvestmentsExcludingOtherThanTemporaryImpairmentsAndOtherInvestments	393000000	USD
CY2018Q3	c	Gross Realized Gain On Marketable Securities And Cost Method Investments Excluding Other Than Temporary Impairments And Other Investments GrossRealizedGainOnMarketableSecuritiesAndCostMethodInvestmentsExcludingOtherThanTemporaryImpairmentsAndOtherInvestments	153000000	USD
	c	Gross Realized Gain On Marketable Securities And Cost Method Investments Excluding Other Than Temporary Impairments And Other Investments GrossRealizedGainOnMarketableSecuritiesAndCostMethodInvestmentsExcludingOtherThanTemporaryImpairmentsAndOtherInvestments	1036000000	USD
	c	Gross Realized Gain On Marketable Securities And Cost Method Investments Excluding Other Than Temporary Impairments And Other Investments GrossRealizedGainOnMarketableSecuritiesAndCostMethodInvestmentsExcludingOtherThanTemporaryImpairmentsAndOtherInvestments	550000000	USD
CY2019Q3	c	Gross Realized Losson Marketable Securitiesand Cost Method Investments Excluding Otherthan Temporary Impairmentsand Other Investments GrossRealizedLossonMarketableSecuritiesandCostMethodInvestmentsExcludingOtherthanTemporaryImpairmentsandOtherInvestments	32000000	USD
CY2018Q3	c	Gross Realized Losson Marketable Securitiesand Cost Method Investments Excluding Otherthan Temporary Impairmentsand Other Investments GrossRealizedLossonMarketableSecuritiesandCostMethodInvestmentsExcludingOtherthanTemporaryImpairmentsandOtherInvestments	84000000	USD
	c	Gross Realized Losson Marketable Securitiesand Cost Method Investments Excluding Otherthan Temporary Impairmentsand Other Investments GrossRealizedLossonMarketableSecuritiesandCostMethodInvestmentsExcludingOtherthanTemporaryImpairmentsandOtherInvestments	77000000	USD
	c	Gross Realized Losson Marketable Securitiesand Cost Method Investments Excluding Otherthan Temporary Impairmentsand Other Investments GrossRealizedLossonMarketableSecuritiesandCostMethodInvestmentsExcludingOtherthanTemporaryImpairmentsandOtherInvestments	209000000	USD
CY2019Q3	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	361000000	USD
CY2018Q3	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	69000000	USD
	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	959000000	USD
	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	341000000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	78702000000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	859000000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	59981000000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	490000000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	138683000000	USD
CY2019Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	1349000000	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
CY2019Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	75841000000	USD
CY2019Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	1577000000	USD
CY2019Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	101000000	USD
CY2019Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	77317000000	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 Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	663000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	62890000000	USD
CY2019Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	8840000000	USD
CY2019Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	18000000	USD
CY2019Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	4072000000	USD
CY2019Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	83000000	USD
CY2019Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	12912000000	USD
CY2019Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	101000000	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 Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	37142000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	853000000	USD
CY2019Q3	c	Held To Maturity Securities Accumulated Unrecognized Other Comprehensive Loss Other Than Temporary Impairment Not Credit Loss Pre Tax HeldToMaturitySecuritiesAccumulatedUnrecognizedOtherComprehensiveLossOtherThanTemporaryImpairmentNotCreditLossPreTax	623000000	USD
CY2018Q4	c	Held To Maturity Securities Accumulated Unrecognized Other Comprehensive Loss Other Than Temporary Impairment Not Credit Loss Pre Tax HeldToMaturitySecuritiesAccumulatedUnrecognizedOtherComprehensiveLossOtherThanTemporaryImpairmentNotCreditLossPreTax	653000000	USD
CY2019Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	75841000000	USD
CY2019Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	77317000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	63357000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	62890000000	USD
CY2019Q3	c	Other Than Temporary Impairment Losses Investments With Intent Not To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentNotToSell	0	USD
	c	Other Than Temporary Impairment Losses Investments With Intent Not To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentNotToSell	0	USD
CY2019Q3	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
	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
CY2019Q3	c	Other Than Temporary Impairment Losses Investments Not Being Sold Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsNotBeingSoldPortionRecognizedInEarningsNet	0	USD
	c	Other Than Temporary Impairment Losses Investments Not Being Sold Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsNotBeingSoldPortionRecognizedInEarningsNet	0	USD
CY2019Q3	c	Other Than Temporary Impairment Losses Investments With Intent To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentToSell	13000000	USD
	c	Other Than Temporary Impairment Losses Investments With Intent To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentToSell	18000000	USD
CY2019Q3	c	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net And Equity Method Investment Other Than Temporary Impairment OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAndEquityMethodInvestmentOtherThanTemporaryImpairment	13000000	USD
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CY2018Q3	c	Other Than Temporary Impairment Losses Investments With Intent Not To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentNotToSell	0	USD
	c	Other Than Temporary Impairment Losses Investments With Intent Not To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentNotToSell	0	USD
CY2018Q3	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
	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
CY2018Q3	c	Other Than Temporary Impairment Losses Investments Not Being Sold Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsNotBeingSoldPortionRecognizedInEarningsNet	0	USD
	c	Other Than Temporary Impairment Losses Investments Not Being Sold Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsNotBeingSoldPortionRecognizedInEarningsNet	0	USD
CY2018Q3	c	Other Than Temporary Impairment Losses Investments With Intent To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentToSell	70000000	USD
	c	Other Than Temporary Impairment Losses Investments With Intent To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentToSell	109000000	USD
CY2018Q3	c	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net And Equity Method Investment Other Than Temporary Impairment OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAndEquityMethodInvestmentOtherThanTemporaryImpairment	70000000	USD
	c	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net And Equity Method Investment Other Than Temporary Impairment OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAndEquityMethodInvestmentOtherThanTemporaryImpairment	109000000	USD
CY2019Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	688000000	USD
CY2018Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	538000000	USD
CY2019Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	1000000	USD
CY2018Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	0	USD
	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	9000000	USD
	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	4000000	USD
CY2019Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	4000000	USD
CY2018Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	14000000	USD
	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	16000000	USD
	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	18000000	USD
CY2019Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	23000000	USD
CY2018Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	21000000	USD
	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	108000000	USD
	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	133000000	USD
CY2019Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossCumulativeAmount	16000000	USD
CY2019Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentCumulativeAmount	34000000	USD
CY2019Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount	327000000	USD
CY2019Q3	c	Non Marketable Equity Securities Impairment Recognized In Earnings NonMarketableEquitySecuritiesImpairmentRecognizedInEarnings	0	USD
CY2019Q3	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	79000000	USD
CY2018Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	81000000	USD
CY2019Q3	c	Loan Categories Number LoanCategoriesNumber	2	category
CY2019Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12466000000	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12126000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12315000000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12355000000	USD
CY2019Q3	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2281000000	USD
CY2018Q3	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2094000000	USD
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	6980000000	USD
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	6499000000	USD
CY2019Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	368000000	USD
CY2018Q3	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	1756000000	USD
	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	5824000000	USD
	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	5327000000	USD
CY2019Q3	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	1913000000	USD
CY2018Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	338000000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	1156000000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	1172000000	USD
CY2019Q3	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	1913000000	USD
CY2018Q3	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	1756000000	USD
	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	5824000000	USD
	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	5327000000	USD
CY2019Q3	c	Provision For Loan And Lease Losses For Reserve Builds Or Releases Net ProvisionForLoanAndLeaseLossesForReserveBuildsOrReleasesNet	132000000	USD
CY2018Q3	c	Provision For Loan And Lease Losses For Reserve Builds Or Releases Net ProvisionForLoanAndLeaseLossesForReserveBuildsOrReleasesNet	169000000	USD
	c	Provision For Loan And Lease Losses For Reserve Builds Or Releases Net ProvisionForLoanAndLeaseLossesForReserveBuildsOrReleasesNet	252000000	USD
	c	Provision For Loan And Lease Losses For Reserve Builds Or Releases Net ProvisionForLoanAndLeaseLossesForReserveBuildsOrReleasesNet	302000000	USD
CY2019Q3	c	Provision For Loan And Lease Losses For Specific Reserve Builds Or Releases Net ProvisionForLoanAndLeaseLossesForSpecificReserveBuildsOrReleasesNet	17000000	USD
CY2018Q3	c	Provision For Loan And Lease Losses For Specific Reserve Builds Or Releases Net ProvisionForLoanAndLeaseLossesForSpecificReserveBuildsOrReleasesNet	-19000000	USD
	c	Provision For Loan And Lease Losses For Specific Reserve Builds Or Releases Net ProvisionForLoanAndLeaseLossesForSpecificReserveBuildsOrReleasesNet	19000000	USD
	c	Provision For Loan And Lease Losses For Specific Reserve Builds Or Releases Net ProvisionForLoanAndLeaseLossesForSpecificReserveBuildsOrReleasesNet	-125000000	USD
CY2019Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	2062000000	USD
CY2018Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1906000000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	6095000000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	5504000000	USD
CY2019Q3	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	-85000000	USD
CY2018Q3	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	60000000	USD
	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	-56000000	USD
	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	-196000000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12530000000	USD
CY2018Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12336000000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12530000000	USD
CY2018Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12336000000	USD
CY2019Q2	c	Unfunded Lending Commitments Allowance For Credit Losses UnfundedLendingCommitmentsAllowanceForCreditLosses	1376000000	USD
CY2018Q2	c	Unfunded Lending Commitments Allowance For Credit Losses UnfundedLendingCommitmentsAllowanceForCreditLosses	1278000000	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
CY2019Q3	c	Provision Charged Or Release For Unfunded Lending Commitments Other Net ProvisionChargedOrReleaseForUnfundedLendingCommitmentsOtherNet	9000000	USD
CY2018Q3	c	Provision Charged Or Release For Unfunded Lending Commitments Other Net ProvisionChargedOrReleaseForUnfundedLendingCommitmentsOtherNet	42000000	USD
	c	Provision Charged Or Release For Unfunded Lending Commitments Other Net ProvisionChargedOrReleaseForUnfundedLendingCommitmentsOtherNet	18000000	USD
	c	Provision Charged Or Release For Unfunded Lending Commitments Other Net ProvisionChargedOrReleaseForUnfundedLendingCommitmentsOtherNet	66000000	USD
CY2019Q3	c	Unfunded Lending Commitments Allowance For Credit Losses Adjustments Net UnfundedLendingCommitmentsAllowanceForCreditLossesAdjustmentsNet	0	USD
CY2018Q3	c	Unfunded Lending Commitments Allowance For Credit Losses Adjustments Net UnfundedLendingCommitmentsAllowanceForCreditLossesAdjustmentsNet	1000000	USD
	c	Unfunded Lending Commitments Allowance For Credit Losses Adjustments Net UnfundedLendingCommitmentsAllowanceForCreditLossesAdjustmentsNet	0	USD
	c	Unfunded Lending Commitments Allowance For Credit Losses Adjustments Net UnfundedLendingCommitmentsAllowanceForCreditLossesAdjustmentsNet	-3000000	USD
CY2019Q3	c	Unfunded Lending Commitments Allowance For Credit Losses UnfundedLendingCommitmentsAllowanceForCreditLosses	1385000000	USD
CY2018Q3	c	Unfunded Lending Commitments Allowance For Credit Losses UnfundedLendingCommitmentsAllowanceForCreditLosses	1321000000	USD
CY2019Q3	c	Unfunded Lending Commitments Allowance For Credit Losses UnfundedLendingCommitmentsAllowanceForCreditLosses	1385000000	USD
CY2018Q3	c	Unfunded Lending Commitments Allowance For Credit Losses UnfundedLendingCommitmentsAllowanceForCreditLosses	1321000000	USD
CY2019Q3	c	Loans And Leases Receivable And Unfunded Lending Commitments Allowance LoansAndLeasesReceivableAndUnfundedLendingCommitmentsAllowance	13915000000	USD
CY2018Q3	c	Loans And Leases Receivable And Unfunded Lending Commitments Allowance LoansAndLeasesReceivableAndUnfundedLendingCommitmentsAllowance	13657000000	USD
CY2019Q3	c	Loans And Leases Receivable And Unfunded Lending Commitments Allowance LoansAndLeasesReceivableAndUnfundedLendingCommitmentsAllowance	13915000000	USD
CY2018Q3	c	Loans And Leases Receivable And Unfunded Lending Commitments Allowance LoansAndLeasesReceivableAndUnfundedLendingCommitmentsAllowance	13657000000	USD
CY2019Q3	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	-85000000	USD
CY2018Q3	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	60000000	USD
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CY2019Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12466000000	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12126000000	USD
CY2019Q3	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2281000000	USD
CY2018Q3	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2094000000	USD
CY2019Q3	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	368000000	USD
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CY2018Q3	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	1756000000	USD
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CY2019Q3	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	-85000000	USD
CY2018Q3	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	60000000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12530000000	USD
CY2018Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12336000000	USD
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CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12355000000	USD
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	6980000000	USD
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CY2018Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12336000000	USD
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CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	1441000000	USD
CY2019Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	1000000	USD
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CY2019Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12530000000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	2000000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12530000000	USD
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CY2019Q3	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	681105000000	USD
CY2018Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	674347000000	USD
CY2019Q3	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	6665000000	USD
CY2018Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	6498000000	USD
CY2019Q3	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	3856000000	USD
CY2018Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	3223000000	USD
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CY2019Q3	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
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CY2018Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	19108000000	USD
CY2019Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	35230000000	USD
CY2019Q3	c	Intangible Assets Including Mortgage Servicing Rights Accumulated Amortization IntangibleAssetsIncludingMortgageServicingRightsAccumulatedAmortization	7814000000	USD
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CY2019Q3	c	Intangible Assets Excluding Mortgage Servicing Rights Accumulated Amortization IntangibleAssetsExcludingMortgageServicingRightsAccumulatedAmortization	7814000000	USD
CY2019Q3	c	Intangible Assets Excluding Mortgage Servicing Rights IntangibleAssetsExcludingMortgageServicingRights	4372000000	USD
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CY2018Q4	c	Intangible Assets Excluding Mortgage Servicing Rights Accumulated Amortization IntangibleAssetsExcludingMortgageServicingRightsAccumulatedAmortization	7545000000	USD
CY2018Q4	c	Intangible Assets Excluding Mortgage Servicing Rights IntangibleAssetsExcludingMortgageServicingRights	4636000000	USD
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CY2019Q3	c	Mortgage Servicing Rights Msr MortgageServicingRightsMSR	472000000	USD
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CY2018Q4	c	Mortgage Servicing Rights Msr MortgageServicingRightsMSR	584000000	USD
CY2019Q3	c	Intangible Assets Including Mortgage Servicing Rights Gross Carrying Amount IntangibleAssetsIncludingMortgageServicingRightsGrossCarryingAmount	12658000000	USD
CY2019Q3	c	Intangible Assets Including Mortgage Servicing Rights IntangibleAssetsIncludingMortgageServicingRights	4844000000	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
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CY2019Q3	c	Intangible Assets Excluding Mortgage Servicing Rights IntangibleAssetsExcludingMortgageServicingRights	4372000000	USD
CY2018Q4	c	Mortgage Servicing Rights Msr MortgageServicingRightsMSR	584000000	USD
CY2019Q3	c	Mortgage Servicing Rights Msr MortgageServicingRightsMSR	472000000	USD
CY2018Q4	c	Intangible Assets Including Mortgage Servicing Rights IntangibleAssetsIncludingMortgageServicingRights	5220000000	USD
CY2019Q3	c	Intangible Assets Including Mortgage Servicing Rights IntangibleAssetsIncludingMortgageServicingRights	4844000000	USD
CY2018Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	32346000000	USD
CY2019Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	9500000000	USD
CY2019Q3	c	Trust Preferred Securities Carrying Value TrustPreferredSecuritiesCarryingValue	1700000000	USD
CY2019Q3	c	Trust Preferred Securities Liquidation Value TrustPreferredSecuritiesLiquidationValue	2563000000	USD
CY2018Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	9500000000	USD
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CY2019Q3	c	Variable Interest Entity Nonconsolidated Involvement Assets VariableInterestEntityNonconsolidatedInvolvementAssets	352584000000	USD
CY2019Q3	c	Variable Interest Entity Debt Investments Funded Maximum Exposure To Loss VariableInterestEntityDebtInvestmentsFundedMaximumExposureToLoss	34839000000	USD
CY2019Q3	c	Variable Interest Entity Equity Investments Funded Maximum Exposure To Loss VariableInterestEntityEquityInvestmentsFundedMaximumExposureToLoss	5160000000	USD
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CY2019Q3	c	Variable Interest Entity Guarantees And Derivatives Unfunded Maximum Exposure To Loss VariableInterestEntityGuaranteesAndDerivativesUnfundedMaximumExposureToLoss	77000000	USD
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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
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CY2019Q3	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	21700000000	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
CY2019Q3	c	Portion Of Securitized Assets And Any Other Financial Assets Managed Together Retained By Trust Issued Securities PortionOfSecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherRetainedByTrustIssuedSecurities	6300000000	USD
CY2018Q4	c	Portion Of Securitized Assets And Any Other Financial Assets Managed Together Retained By Trust Issued Securities PortionOfSecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherRetainedByTrustIssuedSecurities	7600000000	USD
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CY2018Q4	c	Portion Of Securitized Assets And Any Other Financial Assets Managed Together Retained By Reporting Entity Via Non Certificated Interests PortionOfSecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherRetainedByReportingEntityViaNonCertificatedInterests	11300000000	USD
CY2019Q3	c	Securitized Credit Card Receivables Principal Amount Outstanding SecuritizedCreditCardReceivablesPrincipalAmountOutstanding	42800000000	USD
CY2018Q4	c	Securitized Credit Card Receivables Principal Amount Outstanding SecuritizedCreditCardReceivablesPrincipalAmountOutstanding	46200000000	USD
CY2019Q3	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	46435000000	USD
CY2019Q3	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	52239000000	USD
CY2018Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	29911000000	USD
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CY2019Q3	us-gaap	Hedged Asset Fair Value Hedge HedgedAssetFairValueHedge	107544000000	USD
CY2019Q3	us-gaap	Hedged Asset Fair Value Hedge Cumulative Increase Decrease HedgedAssetFairValueHedgeCumulativeIncreaseDecrease	122000000	USD
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CY2019Q3	us-gaap	Hedged Liability Fair Value Hedge HedgedLiabilityFairValueHedge	155524000000	USD
CY2019Q3	us-gaap	Hedged Liability Fair Value Hedge Cumulative Increase Decrease HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease	5219000000	USD
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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
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CY2019Q3	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	11309000000	USD
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CY2019Q3	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	11309000000	USD
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CY2018Q4	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10765000000	USD
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CY2019Q3	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	29000000000	USD
CY2018Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	33000000000	USD
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CY2019Q3	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	1000000000.0	USD
CY2019Q3	c	Derivative Collateral Obligation To Return Cash Portion To Be Segregated DerivativeCollateralObligationToReturnCashPortionToBeSegregated	100000000	USD
CY2019Q3	c	Credit Derivative Aggregate Cash Obligations And Collateral Requirements CreditDerivativeAggregateCashObligationsAndCollateralRequirements	900000000	USD
CY2019Q3	c	Counterparty Derivative Credit Risk Valuation Adjustment Derivative Assets CounterpartyDerivativeCreditRiskValuationAdjustmentDerivativeAssets	866000000	USD
CY2018Q4	c	Counterparty Derivative Credit Risk Valuation Adjustment Derivative Assets CounterpartyDerivativeCreditRiskValuationAdjustmentDerivativeAssets	1085000000	USD
CY2019Q3	c	Derivative Funding Valuation Adjustment Derivative Assets DerivativeFundingValuationAdjustmentDerivativeAssets	640000000	USD
CY2018Q4	c	Derivative Funding Valuation Adjustment Derivative Assets DerivativeFundingValuationAdjustmentDerivativeAssets	544000000	USD
CY2019Q3	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Liabilities DerivativeCreditRiskValuationAdjustmentDerivativeLiabilities	446000000	USD
CY2018Q4	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Liabilities DerivativeCreditRiskValuationAdjustmentDerivativeLiabilities	482000000	USD
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	c	Derivative Funding Valuation Adjustment Gain Losson Derivative Liability DerivativeFundingValuationAdjustmentGainLossonDerivativeLiability	-8000000	USD
	c	Derivative Credit Risk Valuation Adjustment Gain Loss DerivativeCreditRiskValuationAdjustmentGainLoss	24000000	USD
CY2019Q3	c	Derivative Funding Valuation Adjustment Gain Losson Derivative Liability DerivativeFundingValuationAdjustmentGainLossonDerivativeLiability	14000000	USD
CY2018Q3	c	Derivative Funding Valuation Adjustment Gain Losson Derivative Liability DerivativeFundingValuationAdjustmentGainLossonDerivativeLiability	-23000000	USD
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CY2019Q3	c	Derivative Funding Valuation Adjustment Derivative Liabilities DerivativeFundingValuationAdjustmentDerivativeLiabilities	119000000	USD
CY2018Q4	c	Derivative Funding Valuation Adjustment Derivative Liabilities DerivativeFundingValuationAdjustmentDerivativeLiabilities	135000000	USD
CY2019Q3	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Assets DerivativeCreditRiskValuationAdjustmentDerivativeAssets	941000000	USD
CY2018Q4	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Assets DerivativeCreditRiskValuationAdjustmentDerivativeAssets	1012000000	USD
CY2019Q3	c	Counterparty Derivative Credit Risk Valuation Adjustment Gain Loss CounterpartyDerivativeCreditRiskValuationAdjustmentGainLoss	2000000	USD
CY2018Q3	c	Counterparty Derivative Credit Risk Valuation Adjustment Gain Loss CounterpartyDerivativeCreditRiskValuationAdjustmentGainLoss	94000000	USD
	c	Counterparty Derivative Credit Risk Valuation Adjustment Gain Loss CounterpartyDerivativeCreditRiskValuationAdjustmentGainLoss	104000000	USD
	c	Counterparty Derivative Credit Risk Valuation Adjustment Gain Loss CounterpartyDerivativeCreditRiskValuationAdjustmentGainLoss	117000000	USD
CY2019Q3	c	Derivative Funding Valuation Adjustment Gain Losson Derivative Asset DerivativeFundingValuationAdjustmentGainLossonDerivativeAsset	-78000000	USD
CY2018Q3	c	Derivative Funding Valuation Adjustment Gain Losson Derivative Asset DerivativeFundingValuationAdjustmentGainLossonDerivativeAsset	74000000	USD
	c	Derivative Funding Valuation Adjustment Gain Losson Derivative Asset DerivativeFundingValuationAdjustmentGainLossonDerivativeAsset	-97000000	USD
	c	Derivative Funding Valuation Adjustment Gain Losson Derivative Asset DerivativeFundingValuationAdjustmentGainLossonDerivativeAsset	123000000	USD
CY2019Q3	c	Derivative Credit Risk Valuation Adjustment Gain Loss DerivativeCreditRiskValuationAdjustmentGainLoss	85000000	USD
CY2018Q3	c	Derivative Credit Risk Valuation Adjustment Gain Loss DerivativeCreditRiskValuationAdjustmentGainLoss	-75000000	USD
	c	Derivative Credit Risk Valuation Adjustment Gain Loss DerivativeCreditRiskValuationAdjustmentGainLoss	-20000000	USD
CY2019Q3	c	Derivative Funding Valuation Adjustment Gain Loss Net DerivativeFundingValuationAdjustmentGainLossNet	23000000	USD
CY2018Q3	c	Derivative Funding Valuation Adjustment Gain Loss Net DerivativeFundingValuationAdjustmentGainLossNet	70000000	USD
	c	Derivative Funding Valuation Adjustment Gain Loss Net DerivativeFundingValuationAdjustmentGainLossNet	-29000000	USD
	c	Derivative Funding Valuation Adjustment Gain Loss Net DerivativeFundingValuationAdjustmentGainLossNet	256000000	USD
CY2019Q3	c	Derivative Debt Valuation Adjustment Gain Losson Fair Value Option Liability DerivativeDebtValuationAdjustmentGainLossonFairValueOptionLiability	273000000	USD
CY2018Q3	c	Derivative Debt Valuation Adjustment Gain Losson Fair Value Option Liability DerivativeDebtValuationAdjustmentGainLossonFairValueOptionLiability	-377000000	USD
	c	Derivative Debt Valuation Adjustment Gain Losson Fair Value Option Liability DerivativeDebtValuationAdjustmentGainLossonFairValueOptionLiability	-449000000	USD
CY2019Q3	c	Derivative Creditand Debt Valuation Adjustment Gain Loss DerivativeCreditandDebtValuationAdjustmentGainLoss	296000000	USD
CY2018Q3	c	Derivative Creditand Debt Valuation Adjustment Gain Loss DerivativeCreditandDebtValuationAdjustmentGainLoss	-307000000	USD
	c	Derivative Creditand Debt Valuation Adjustment Gain Loss DerivativeCreditandDebtValuationAdjustmentGainLoss	-478000000	USD
	c	Derivative Creditand Debt Valuation Adjustment Gain Loss DerivativeCreditandDebtValuationAdjustmentGainLoss	464000000	USD
CY2019Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12500000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12300000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Reclassification Adjustment From Aoci For Derecognition After Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax	273000000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Reclassification Adjustment From Aoci For Derecognition After Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax	-377000000	USD
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CY2019Q3	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
CY2019Q3	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
CY2018Q4	c	Securitiesand Other Marketable Assets Heldas Collateral SecuritiesandOtherMarketableAssetsHeldasCollateral	55000000000	USD
CY2019Q3	c	Letters Of Credit Received As Collateral LettersOfCreditReceivedAsCollateral	4300000000	USD
CY2018Q4	c	Letters Of Credit Received As Collateral LettersOfCreditReceivedAsCollateral	4100000000	USD
CY2019Q3	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	437300000000	USD
CY2018Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	453100000000	USD
CY2019Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3000000000.0	USD
CY2019Q3	c	Certain Structured Liabilities CertainStructuredLiabilities	46800000000	USD
CY2018Q4	c	Certain Structured Liabilities CertainStructuredLiabilities	35700000000	USD
CY2019Q3	c	Guarantee Obligations Maximum Exposure Expire Within One Year GuaranteeObligationsMaximumExposureExpireWithinOneYear	273100000000	USD
CY2019Q3	c	Guarantee Obligations Maximum Exposure Expire After One Year GuaranteeObligationsMaximumExposureExpireAfterOneYear	164200000000	USD
CY2019Q3	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	437300000000	USD
CY2019Q3	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	584000000	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	196500000000	USD
CY2018Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	453100000000	USD
CY2018Q4	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	939000000	USD
CY2019Q3	c	Number Of Trust Funded By Reinsurer NumberOfTrustFundedByReinsurer	2	trust
CY2019Q3	c	Fair Value Of Trusts Funded By Insurer FairValueOfTrustsFundedByInsurer	8600000000	USD
CY2018Q4	c	Fair Value Of Trusts Funded By Insurer FairValueOfTrustsFundedByInsurer	7500000000	USD
CY2019Q3	c	Number Of Trust Funded By Reinsurer NumberOfTrustFundedByReinsurer	2	trust
CY2019Q3	c	Long Term Care Insurance Indemnification Liability LongTermCareInsuranceIndemnificationLiability	0	USD
CY2019Q3	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	600000000	USD
CY2018Q4	us-gaap	Guarantee Obligations Current Carrying Value GuaranteeObligationsCurrentCarryingValue	900000000	USD
CY2019Q3	c	Cash Held As Collateral CashHeldAsCollateral	65000000000	USD
CY2018Q4	c	Cash Held As Collateral CashHeldAsCollateral	55000000000	USD
CY2019Q3	c	Securitiesand Other Marketable Assets Heldas Collateral SecuritiesandOtherMarketableAssetsHeldasCollateral	56000000000	USD
CY2019Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	3300000000	USD
CY2019Q3	us-gaap	Sublease Income SubleaseIncome	10000000	USD
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CY2019Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	275000000	USD
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CY2019Q3	us-gaap	Operating Lease Payments OperatingLeasePayments	215000000	USD
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CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	241000000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	779000000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	665000000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	528000000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	400000000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	1059000000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	3672000000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	397000000	USD
CY2019Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	3275000000	USD
CY2019Q3	c	Credit Commitments CreditCommitments	1051529000000	USD
CY2018Q4	c	Credit Commitments CreditCommitments	1030242000000	USD
CY2019Q3	c	Securities Purchasedunder Agreementsto Resell Securities Loaned Gross Unsettled SecuritiesPurchasedunderAgreementstoResellSecuritiesLoanedGrossUnsettled	45600000000	USD
CY2018Q4	c	Securities Purchasedunder Agreementsto Resell Securities Loaned Gross Unsettled SecuritiesPurchasedunderAgreementstoResellSecuritiesLoanedGrossUnsettled	36100000000	USD
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CY2018Q4	c	Securities Soldunder Agreementsto Resell Securities Loaned Gross Unsettled SecuritiesSoldunderAgreementstoResellSecuritiesLoanedGrossUnsettled	30700000000	USD
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CY2019Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	19177000000	USD
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CY2019Q3	us-gaap	Interest Expense InterestExpense	7536000000	USD
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CY2019Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	11641000000	USD
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CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1471000000	USD
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Files In Submission

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$C
CITIGROUP INC Stock $c

2019 Q3 Form 10-Q Financial Statement

#000083100119000105 Filed on November 01, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$C CITIGROUP INC Stock $c

2019 Q3 Form 10-Q Financial Statement

#000083100119000105 Filed on November 01, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$C
CITIGROUP INC Stock $c