$C
CITIGROUP INC Stock $c

$c Overview Financials Valuation SEC Filings Company Website

2020 Q3 Form 10-Q Financial Statement

#000083100120000110 Filed on November 04, 2020

Income Statement

Concept	2020 Q3	2020 Q2	2020 Q1
Revenue	$17.68B	$20.04B	$20.96B
YoY Change	-4.83%	6.81%	12.81%
Cost Of Revenue	$2.384B	$8.197B	$6.960B
YoY Change	14.18%	291.64%	251.52%
Gross Profit	$15.29B	$11.84B	$14.00B
YoY Change	-7.24%	-28.96%	-15.67%
Gross Profit Margin	86.51%	59.09%	66.79%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$1.891B	$1.741B	$1.723B
YoY Change	6.06%	0.99%	0.17%
% of Gross Profit	12.37%	14.71%	12.31%
Depreciation & Amortization	$1.033B	$926.0M	$927.0M
YoY Change	5.09%	-2.73%	-0.43%
% of Gross Profit	6.75%	7.82%	6.62%
Operating Expenses	$1.891B	$1.741B	$1.723B
YoY Change	6.06%	0.99%	0.17%
Operating Profit	$13.40B	$10.10B	$12.27B
YoY Change	-8.85%	-32.41%	-17.5%
Interest Expense	$2.821B	$3.509B	$5.647B
YoY Change	-62.57%	-54.79%	-22.82%
% of Operating Profit	21.05%	34.75%	46.01%
Other Income/Expense, Net	$378.0M	$106.0M	-$274.0M
YoY Change	-19000.0%	-85.3%	-317.46%
Pretax Income	$3.954B	$1.109B	$3.128B
YoY Change	-34.34%	-82.01%	-47.97%
Income Tax	$777.0M	$52.00M	$580.0M
% Of Pretax Income	19.65%	4.69%	18.54%
Net Earnings	$3.146B	$1.056B	$2.536B
YoY Change	-35.97%	-78.0%	-46.16%
Net Earnings / Revenue	17.8%	5.27%	12.1%
Basic Earnings Per Share	$1.37	$0.38	$1.06
Diluted Earnings Per Share	$1.36	$0.38	$1.06
COMMON SHARES
Basic Shares Outstanding	2.082B shares	2.082B shares	2.098B shares
Diluted Shares Outstanding	2.094B shares	2.084B shares	2.114B shares

Balance Sheet

Concept	2020 Q3	2020 Q2	2020 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$323.7B	$309.8B	$285.9B
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	$2.900B	$2.900B
YoY Change	-3.33%	0.0%
Goodwill	$21.62B	$21.40B	$21.26B
YoY Change	-0.91%	-3.02%	-3.51%
Intangibles	$4.804B	$4.451B	$4.560B
YoY Change	-0.83%	-11.44%	-12.24%
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	$2234B	$2233B	$2220B
YoY Change	10.9%	12.3%	13.35%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$54.33B	$60.57B	$74.37B
YoY Change	-14.23%	-13.28%	18.69%
Accrued Expenses	$3.100B	$3.200B
YoY Change	-6.06%	3.23%
Deferred Revenue
YoY Change
Short-Term Debt	$37.44B	$40.16B	$54.95B
YoY Change	6.27%	-5.39%	39.75%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$57.43B	$63.77B	$74.37B
YoY Change	-13.83%	-12.57%	11.4%
LONG-TERM LIABILITIES
Long-Term Debt	$258.6B	$261.8B	$266.1B
YoY Change	9.22%	7.07%	14.17%
Other Long-Term Liabilities	$201.9B	$207.3B	$224.1B
YoY Change	5.81%	5.89%	17.33%
Total Long-Term Liabilities	$460.4B	$469.1B	$490.2B
YoY Change	7.7%	6.54%	15.6%
TOTAL LIABILITIES
Total Short-Term Liabilities	$57.43B	$63.77B	$74.37B
Total Long-Term Liabilities	$460.4B	$469.1B	$490.2B
Total Liabilities	$2040B	$2040B	$2027B
YoY Change	12.22%	13.98%	15.07%
SHAREHOLDERS EQUITY
Retained Earnings	$165.3B	$163.4B	$163.4B
YoY Change	2.17%	3.23%	5.54%
Common Stock	$31.00M	$31.00M	$31.00M
YoY Change	0.0%	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$64.14B	$64.14B	$64.15B
YoY Change	13.43%	24.73%	34.03%
Treasury Stock Shares	1.018B shares	1.018B shares	1.018B shares
Shareholders Equity	$193.9B	$191.6B	$192.3B
YoY Change
Total Liabilities & Shareholders Equity	$2234B	$2233B	$2220B
YoY Change	10.9%	12.3%	13.35%

Cashflow Statement

Concept	2020 Q3	2020 Q2	2020 Q1
OPERATING ACTIVITIES
Net Income	$3.146B	$1.056B	$2.536B
YoY Change	-35.97%	-78.0%	-46.16%
Depreciation, Depletion And Amortization	$1.033B	$926.0M	$927.0M
YoY Change	5.09%	-2.73%	-0.43%
Cash From Operating Activities	-$3.046B	$6.325B	-$25.53B
YoY Change	-227.02%	-4617.86%	-32.12%
INVESTING ACTIVITIES
Capital Expenditures	-$982.0M	-$858.0M	$460.0M
YoY Change	-2.87%	-69.69%	-11.2%
Acquisitions
YoY Change
Other Investing Activities	$9.471B	-$17.97B	-$18.00M
YoY Change	-157.82%	127.12%	-52.63%
Cash From Investing Activities	$8.489B	-$18.83B	-$72.86B
YoY Change	-148.82%	75.26%	-554.14%
FINANCING ACTIVITIES
Cash Dividend Paid			$1.365B
YoY Change			3.41%
Common Stock Issuance & Retirement, Net			$2.925B
YoY Change			-27.87%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	8.309B	36.37B	$191.4B
YoY Change	-74.7%	314.42%	384.0%
NET CHANGE
Cash From Operating Activities	-3.046B	6.325B	-$25.53B
Cash From Investing Activities	8.489B	-18.83B	-$72.86B
Cash From Financing Activities	8.309B	36.37B	$191.4B
Net Change In Cash	13.75B	23.86B	$92.00B
YoY Change	-22.95%	-1230.71%	417.21%
FREE CASH FLOW
Cash From Operating Activities	-$3.046B	$6.325B	-$25.53B
Capital Expenditures	-$982.0M	-$858.0M	$460.0M
Free Cash Flow	-$2.064B	$7.183B	-$25.99B
YoY Change	-160.55%	166.93%	-31.84%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0000831001
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
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	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2020-09-30
	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
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	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	5.92
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.01
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.01
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.41
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.09
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.97
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.92
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2081800000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2220800000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2087100000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2282400000	shares
CY2020Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.40
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.08
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.97
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	5.89
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.40
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.07
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.96
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.89
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2094300000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2237100000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2100100000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2298200000	shares
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	3230000000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	4913000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	7068000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	14422000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	-282000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	307000000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	3683000000	USD
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent	2145000000	USD
CY2020Q3	c	Other Comprehensive Income Loss Financial Liabilities Adjustment Excluding Opening Impact Netof Tax OtherComprehensiveIncomeLossFinancialLiabilitiesAdjustmentExcludingOpeningImpactNetofTax	-307000000	USD
CY2019Q3	c	Other Comprehensive Income Loss Financial Liabilities Adjustment Excluding Opening Impact Netof Tax OtherComprehensiveIncomeLossFinancialLiabilitiesAdjustmentExcludingOpeningImpactNetofTax	210000000	USD
	c	Other Comprehensive Income Loss Financial Liabilities Adjustment Excluding Opening Impact Netof Tax OtherComprehensiveIncomeLossFinancialLiabilitiesAdjustmentExcludingOpeningImpactNetofTax	601000000	USD
	c	Other Comprehensive Income Loss Financial Liabilities Adjustment Excluding Opening Impact Netof Tax OtherComprehensiveIncomeLossFinancialLiabilitiesAdjustmentExcludingOpeningImpactNetofTax	-358000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-235000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	253000000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	1736000000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	1056000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-246000000	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	117000000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	567000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	897000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-1442000000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-2651000000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-1293000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease After Adjustments And Tax Parent OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent	-39000000	USD
CY2019Q3	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	1000000	USD
	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease After Adjustments And Tax Parent OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent	52000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	280000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-932000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	3253000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1035000000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	3510000000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	3981000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	10321000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	15457000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	19000000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	-33000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	7000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	-26000000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	24000000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	15000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	18000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	50000000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	3553000000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	3963000000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	10346000000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	15481000000	USD
CY2020Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	25308000000	USD
CY2019Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	23967000000	USD
CY2020Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	298387000000	USD
CY2019Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	169952000000	USD
CY2020Q3	us-gaap	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	289358000000	USD
CY2019Q4	us-gaap	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	251322000000	USD
CY2020Q3	c	Brokerage Receivables BrokerageReceivables	51610000000	USD
CY2019Q4	c	Brokerage Receivables BrokerageReceivables	39857000000	USD
CY2020Q3	us-gaap	Debt Securities Trading Restricted DebtSecuritiesTradingRestricted	160427000000	USD
CY2019Q4	us-gaap	Debt Securities Trading Restricted DebtSecuritiesTradingRestricted	120236000000	USD
CY2020Q3	us-gaap	Trading Securities TradingSecurities	348209000000	USD
CY2019Q4	us-gaap	Trading Securities TradingSecurities	276140000000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	5996000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	8721000000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	343690000000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	280265000000	USD
CY2020Q3	us-gaap	Goodwill Goodwill	21624000000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Restricted HeldToMaturitySecuritiesRestricted	360000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Restricted HeldToMaturitySecuritiesRestricted	1923000000	USD
CY2020Q3	c	Debt Securities Held To Maturity Net Of Allowance For Credit Losses DebtSecuritiesHeldToMaturityNetOfAllowanceForCreditLosses	96065000000	USD
CY2019Q4	c	Debt Securities Held To Maturity Net Of Allowance For Credit Losses DebtSecuritiesHeldToMaturityNetOfAllowanceForCreditLosses	80775000000	USD
CY2020Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	1198000000	USD
CY2019Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	1162000000	USD
CY2020Q3	c	Non Marketable Equity Securities NonMarketableEquitySecurities	7769000000	USD
CY2019Q4	c	Non Marketable Equity Securities NonMarketableEquitySecurities	7523000000	USD
CY2020Q3	c	Investments Excluding Trading Securities InvestmentsExcludingTradingSecurities	447524000000	USD
CY2019Q4	c	Investments Excluding Trading Securities InvestmentsExcludingTradingSecurities	368563000000	USD
CY2020Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	666911000000	USD
CY2019Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	699483000000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	26426000000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	12783000000	USD
CY2020Q3	us-gaap	Notes Receivable Net NotesReceivableNet	640485000000	USD
CY2019Q4	us-gaap	Notes Receivable Net NotesReceivableNet	686700000000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	22126000000	USD
CY2020Q3	c	Mortgage Servicing Rights Msr Gross Carrying Amount MortgageServicingRightsMSRGrossCarryingAmount	334000000	USD
CY2019Q4	c	Mortgage Servicing Rights Msr Gross Carrying Amount MortgageServicingRightsMSRGrossCarryingAmount	495000000	USD
CY2020Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	4804000000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	4822000000	USD
CY2020Q3	us-gaap	Other Assets OtherAssets	107150000000	USD
CY2019Q4	us-gaap	Other Assets OtherAssets	107709000000	USD
CY2020Q3	us-gaap	Assets Assets	2234459000000	USD
CY2019Q4	us-gaap	Assets Assets	1951158000000	USD
CY2020Q3	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	121183000000	USD
CY2019Q4	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	98811000000	USD
CY2020Q3	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	497487000000	USD
CY2019Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	401418000000	USD
CY2020Q3	us-gaap	Noninterest Bearing Deposit Liabilities Foreign NoninterestBearingDepositLiabilitiesForeign	94208000000	USD
CY2019Q4	us-gaap	Noninterest Bearing Deposit Liabilities Foreign NoninterestBearingDepositLiabilitiesForeign	85692000000	USD
CY2020Q3	us-gaap	Interest Bearing Deposit Liabilities Foreign InterestBearingDepositLiabilitiesForeign	549745000000	USD
CY2019Q4	us-gaap	Interest Bearing Deposit Liabilities Foreign InterestBearingDepositLiabilitiesForeign	484669000000	USD
CY2020Q3	us-gaap	Deposits Deposits	1262623000000	USD
CY2019Q4	us-gaap	Deposits Deposits	1070590000000	USD
CY2020Q3	us-gaap	Carrying Value Of Federal Funds Purchased Securities Sold Under Agreements To Repurchase And Deposits Received For Securities Loaned CarryingValueOfFederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchaseAndDepositsReceivedForSecuritiesLoaned	207227000000	USD
CY2019Q4	us-gaap	Carrying Value Of Federal Funds Purchased Securities Sold Under Agreements To Repurchase And Deposits Received For Securities Loaned CarryingValueOfFederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchaseAndDepositsReceivedForSecuritiesLoaned	166339000000	USD
CY2020Q3	c	Brokerage Payables BrokeragePayables	54328000000	USD
CY2019Q4	c	Brokerage Payables BrokeragePayables	48601000000	USD
CY2020Q3	us-gaap	Trading Liabilities TradingLiabilities	146990000000	USD
CY2019Q4	us-gaap	Trading Liabilities TradingLiabilities	119894000000	USD
CY2020Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	37439000000	USD
CY2019Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	45049000000	USD
CY2020Q3	us-gaap	Long Term Debt LongTermDebt	273254000000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	248760000000	USD
CY2020Q3	us-gaap	Other Liabilities OtherLiabilities	58003000000	USD
CY2019Q4	us-gaap	Other Liabilities OtherLiabilities	57979000000	USD
CY2020Q3	us-gaap	Liabilities Liabilities	2039864000000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	1757212000000	USD
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2020Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	30000000	shares
CY2020Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	30000000	shares
CY2020Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	719200	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	719200	shares
CY2020Q3	us-gaap	Preferred Stock Value PreferredStockValue	17980000000	USD
CY2019Q4	us-gaap	Preferred Stock Value PreferredStockValue	17980000000	USD
CY2020Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	6000000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	6000000000	shares
CY2020Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	3099763661	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	3099602856	shares
CY2020Q3	us-gaap	Common Stock Value CommonStockValue	31000000	USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	31000000	USD
CY2020Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	107764000000	USD
CY2019Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	107840000000	USD
CY2020Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	165303000000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	165369000000	USD
CY2020Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	1017803983	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	985479501	shares
CY2020Q3	us-gaap	Treasury Stock Value TreasuryStockValue	64137000000	USD
CY2019Q4	us-gaap	Treasury Stock Value TreasuryStockValue	61660000000	USD
CY2020Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-33065000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-36318000000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	193876000000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	193242000000	USD
CY2020Q3	us-gaap	Minority Interest MinorityInterest	719000000	USD
CY2019Q4	us-gaap	Minority Interest MinorityInterest	704000000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	194595000000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	193946000000	USD
CY2020Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2234459000000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1951158000000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	194595000000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	197070000000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	194595000000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	197070000000	USD
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.51
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.51
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.51
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.45
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.45
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.51
	us-gaap	Profit Loss ProfitLoss	7086000000	USD
	us-gaap	Profit Loss ProfitLoss	14472000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	18000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	50000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	7068000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	14422000000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-26000000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	7094000000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	14422000000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	2886000000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	2866000000	USD
	c	Financing Receivable Credit Loss Expense Reversal Including Unfunded Lending Commitments FinancingReceivableCreditLossExpenseReversalIncludingUnfundedLendingCommitments	17043000000	USD
	c	Financing Receivable Credit Loss Expense Reversal Including Unfunded Lending Commitments FinancingReceivableCreditLossExpenseReversalIncludingUnfundedLendingCommitments	6113000000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	1484000000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	959000000	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	154000000	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	28000000	USD
	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	72115000000	USD
	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	50790000000	USD
	us-gaap	Increase Decrease In Trading Liabilities IncreaseDecreaseInTradingLiabilities	27096000000	USD
	us-gaap	Increase Decrease In Trading Liabilities IncreaseDecreaseInTradingLiabilities	-8709000000	USD
	us-gaap	Increase Decrease In Broker Dealer Related Receivables Payables Net IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet	6026000000	USD
	us-gaap	Increase Decrease In Broker Dealer Related Receivables Payables Net IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet	19994000000	USD
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	-1288000000	USD
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	-287000000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-85000000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-2866000000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1070000000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2360000000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2795000000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-16152000000	USD
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	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	-49780000000	USD
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	us-gaap	Proceeds From Sale Of Loans And Leases Held For Investment ProceedsFromSaleOfLoansAndLeasesHeldForInvestment	2717000000	USD
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	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	1496000000	USD
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CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	193919000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	188105000000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	323695000000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	220443000000	USD
CY2020Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	25308000000	USD
CY2019Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	24086000000	USD
CY2020Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	298387000000	USD
CY2019Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	196357000000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	323695000000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	220443000000	USD
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CY2020Q3	us-gaap	Disposal Group Including Discontinued Operation Gross Profit Loss DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss	0	USD
CY2019Q3	us-gaap	Disposal Group Including Discontinued Operation Gross Profit Loss DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss	0	USD
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CY2020Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-7000000	USD
CY2019Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-15000000	USD
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	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-27000000	USD
CY2020Q3	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	0	USD
CY2019Q3	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	0	USD
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CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-7000000	USD
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-15000000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-26000000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2020Q3	us-gaap	Revenues Revenues	17302000000	USD
CY2019Q3	us-gaap	Revenues Revenues	18574000000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	815000000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1079000000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	3261000000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4943000000	USD
CY2020Q3	us-gaap	Assets Assets	2234000000000	USD
CY2019Q4	us-gaap	Assets Assets	1951000000000	USD
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	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	14472000000	USD
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CY2019Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	11993000000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	30820000000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	35942000000	USD
CY2020Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	116000000	USD
CY2019Q3	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	736000000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	802000000	USD
	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	2079000000	USD
CY2020Q3	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	352000000	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	1961000000	USD
	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	5422000000	USD
CY2020Q3	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	1870000000	USD
CY2019Q3	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	2411000000	USD
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CY2020Q3	us-gaap	Interest Income Debt Securities Trading Operating InterestIncomeDebtSecuritiesTradingOperating	1457000000	USD
CY2019Q3	us-gaap	Interest Income Debt Securities Trading Operating InterestIncomeDebtSecuritiesTradingOperating	1893000000	USD
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CY2020Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	13314000000	USD
CY2019Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	19177000000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	45042000000	USD
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CY2020Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1293000000	USD
CY2019Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	3369000000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	5376000000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	9680000000	USD
CY2020Q3	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	292000000	USD
CY2019Q3	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	1630000000	USD
	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	1830000000	USD
	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	4943000000	USD
CY2020Q3	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	123000000	USD
CY2019Q3	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	345000000	USD
	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	506000000	USD
	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	992000000	USD
CY2020Q3	us-gaap	Interest Expense Short Term Borrowings Excluding Federal Funds And Securities Sold Under Agreements To Repurchase InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase	88000000	USD
CY2019Q3	us-gaap	Interest Expense Short Term Borrowings Excluding Federal Funds And Securities Sold Under Agreements To Repurchase InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase	609000000	USD
	us-gaap	Interest Expense Short Term Borrowings Excluding Federal Funds And Securities Sold Under Agreements To Repurchase InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase	612000000	USD
	us-gaap	Interest Expense Short Term Borrowings Excluding Federal Funds And Securities Sold Under Agreements To Repurchase InterestExpenseShortTermBorrowingsExcludingFederalFundsAndSecuritiesSoldUnderAgreementsToRepurchase	1976000000	USD
CY2020Q3	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	1025000000	USD
CY2019Q3	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	1583000000	USD
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	3653000000	USD
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	5024000000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	2821000000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	7536000000	USD
	us-gaap	Interest Expense InterestExpense	11977000000	USD
	us-gaap	Interest Expense InterestExpense	22615000000	USD
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	10493000000	USD
CY2019Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	11641000000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	33065000000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	35350000000	USD
CY2020Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1809000000	USD
CY2019Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	2062000000	USD
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CY2020Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	8684000000	USD
CY2019Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	9579000000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	17116000000	USD
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CY2019Q3	c	Insurance Fees And Charges InsuranceFeesAndCharges	199000000	USD
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CY2019Q3	c	Commissions And Fees CommissionsAndFees	2906000000	USD
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CY2019Q3	us-gaap	Principal Transactions Revenue PrincipalTransactionsRevenue	2802000000	USD
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CY2020Q3	c	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Foreign Exchange Impact And Other Adjustments Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansForeignExchangeImpactAndOtherAdjustmentsBeforeTax	80000000	USD
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CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	24000000	USD
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CY2020Q3	c	Income Loss From Continuing Operation After Noncontrolling Interest IncomeLossFromContinuingOperationAfterNoncontrollingInterest	3237000000	USD
CY2019Q3	c	Income Loss From Continuing Operation After Noncontrolling Interest IncomeLossFromContinuingOperationAfterNoncontrollingInterest	4928000000	USD
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CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-7000000	USD
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-15000000	USD
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CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	3230000000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	4913000000	USD
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	us-gaap	Net Income Loss NetIncomeLoss	14422000000	USD
CY2020Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	284000000	USD
CY2019Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	254000000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	828000000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	812000000	USD
CY2020Q3	c	Income Loss Available To Common Stockholders IncomeLossAvailableToCommonStockholders	2946000000	USD
CY2019Q3	c	Income Loss Available To Common Stockholders IncomeLossAvailableToCommonStockholders	4659000000	USD
	c	Income Loss Available To Common Stockholders IncomeLossAvailableToCommonStockholders	6240000000	USD
	c	Income Loss Available To Common Stockholders IncomeLossAvailableToCommonStockholders	13610000000	USD
CY2020Q3	c	Income Allocated To Employee Restricted And Deferred Shares That Contain Nonforfeitable Rights To Dividends IncomeAllocatedToEmployeeRestrictedAndDeferredSharesThatContainNonforfeitableRightsToDividends	18000000	USD
CY2019Q3	c	Income Allocated To Employee Restricted And Deferred Shares That Contain Nonforfeitable Rights To Dividends IncomeAllocatedToEmployeeRestrictedAndDeferredSharesThatContainNonforfeitableRightsToDividends	27000000	USD
	c	Income Allocated To Employee Restricted And Deferred Shares That Contain Nonforfeitable Rights To Dividends IncomeAllocatedToEmployeeRestrictedAndDeferredSharesThatContainNonforfeitableRightsToDividends	50000000	USD
	c	Income Allocated To Employee Restricted And Deferred Shares That Contain Nonforfeitable Rights To Dividends IncomeAllocatedToEmployeeRestrictedAndDeferredSharesThatContainNonforfeitableRightsToDividends	88000000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2928000000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4632000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	6190000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	13522000000	USD
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2081800000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2220800000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2087100000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2282400000	shares
CY2020Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.41
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.09
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.98
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	5.92
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.01
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.01
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.41
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.09
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.97
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.92
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2928000000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4632000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	6190000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	13522000000	USD
CY2020Q3	c	Dividends Allocatedto Employee Restricted And Deferred Shares That Contain Forfeitable Rightsto Dividends DividendsAllocatedtoEmployeeRestrictedAndDeferredSharesThatContainForfeitableRightstoDividends	7000000	USD
CY2019Q3	c	Dividends Allocatedto Employee Restricted And Deferred Shares That Contain Forfeitable Rightsto Dividends DividendsAllocatedtoEmployeeRestrictedAndDeferredSharesThatContainForfeitableRightstoDividends	9000000	USD
	c	Dividends Allocatedto Employee Restricted And Deferred Shares That Contain Forfeitable Rightsto Dividends DividendsAllocatedtoEmployeeRestrictedAndDeferredSharesThatContainForfeitableRightstoDividends	21000000	USD
	c	Dividends Allocatedto Employee Restricted And Deferred Shares That Contain Forfeitable Rightsto Dividends DividendsAllocatedtoEmployeeRestrictedAndDeferredSharesThatContainForfeitableRightstoDividends	24000000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	2935000000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	4641000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	6211000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	13546000000	USD
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2081800000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2220800000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2087100000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2282400000	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Written Put Options IncrementalCommonSharesAttributableToWrittenPutOptions	0	shares
CY2019Q3	us-gaap	Incremental Common Shares Attributable To Written Put Options IncrementalCommonSharesAttributableToWrittenPutOptions	100000	shares
	us-gaap	Incremental Common Shares Attributable To Written Put Options IncrementalCommonSharesAttributableToWrittenPutOptions	0	shares
	us-gaap	Incremental Common Shares Attributable To Written Put Options IncrementalCommonSharesAttributableToWrittenPutOptions	100000	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	12500000	shares
CY2019Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	16200000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	13000000.0	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	15700000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2094300000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2237100000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2100100000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2298200000	shares
CY2020Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.40
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.08
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.97
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	5.89
CY2020Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.40
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.07
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.96
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.89
	us-gaap	Schedule Of Resale Agreements ScheduleOfResaleAgreements	<div style="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Securities borrowed and purchased under agreements to resell</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">, at their respective carrying values, consisted of the following:</span></div><div style="margin-bottom:5pt;margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:50.388%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:23.602%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:22.710%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-style:italic;font-weight:400;line-height:100%">In millions of dollars</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">September 30,<br/>2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2019</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Securities purchased under agreements to resell</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">205,383</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">169,874 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deposits paid for securities borrowed</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">83,979</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">81,448 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total, net</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:700;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(1)</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">289,362</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">251,322 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Allowance for credit losses on securities purchased and borrowed</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(2)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">(4)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">—</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total, net of allowance</span></td><td style="background-color:#cceeff;border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">289,358</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">251,322 </span></td><td style="background-color:#cceeff;border-bottom:2pt solid #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div>
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	205383000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	169874000000	USD
CY2020Q3	c	Deposits Paid For Securities Borrowed At Carrying Value Before Allowance For Credit Loss DepositsPaidForSecuritiesBorrowedAtCarryingValueBeforeAllowanceForCreditLoss	83979000000	USD
CY2019Q4	c	Deposits Paid For Securities Borrowed At Carrying Value Before Allowance For Credit Loss DepositsPaidForSecuritiesBorrowedAtCarryingValueBeforeAllowanceForCreditLoss	81448000000	USD
CY2020Q3	c	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed Before Allowance For Credit Loss CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowedBeforeAllowanceForCreditLoss	289362000000	USD
CY2019Q4	c	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed Before Allowance For Credit Loss CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowedBeforeAllowanceForCreditLoss	251322000000	USD
CY2020Q3	c	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed Allowance For Credit Loss CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowedAllowanceForCreditLoss	4000000	USD
CY2019Q4	c	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed Allowance For Credit Loss CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowedAllowanceForCreditLoss	0	USD
CY2020Q3	us-gaap	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	289358000000	USD
CY2019Q4	us-gaap	Carrying Value Of Federal Funds Sold Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfFederalFundsSoldSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	251322000000	USD
	us-gaap	Schedule Of Repurchase Agreements ScheduleOfRepurchaseAgreements	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Securities loaned and sold under agreements to repurchase</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">, at their respective carrying values, consisted of the following:</span></div><div><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:48.602%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:23.304%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:24.794%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-style:italic;font-weight:400;line-height:100%">In millions of dollars</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">September 30,<br/>2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2019</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Securities sold under agreements to repurchase</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">194,534</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">155,164 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deposits received for securities loaned</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">12,693</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11,175 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total, net</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:700;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(1)</span></div></td><td style="background-color:#cceeff;border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">207,227</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">166,339 </span></td><td style="background-color:#cceeff;border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(1) The above tables do not include securities-for-securities lending transactions of $5.1 billion and $6.3 billion at September 30, 2020 and December 31, 2019, 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="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-style:italic;font-weight:400;line-height:120%">Other assets</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> and the obligation to return those securities as a liability within </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-style:italic;font-weight:400;line-height:120%">Brokerage payables</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:120%">.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(2) See Note 14 to the Consolidated Financial Statements for further information.</span></div>
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	194534000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	155164000000	USD
CY2020Q3	us-gaap	Deposits Received For Securities Loaned At Carrying Value DepositsReceivedForSecuritiesLoanedAtCarryingValue	12693000000	USD
CY2019Q4	us-gaap	Deposits Received For Securities Loaned At Carrying Value DepositsReceivedForSecuritiesLoanedAtCarryingValue	11175000000	USD
CY2020Q3	us-gaap	Carrying Value Of Federal Funds Purchased Securities Sold Under Agreements To Repurchase And Deposits Received For Securities Loaned CarryingValueOfFederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchaseAndDepositsReceivedForSecuritiesLoaned	207227000000	USD
CY2019Q4	us-gaap	Carrying Value Of Federal Funds Purchased Securities Sold Under Agreements To Repurchase And Deposits Received For Securities Loaned CarryingValueOfFederalFundsPurchasedSecuritiesSoldUnderAgreementsToRepurchaseAndDepositsReceivedForSecuritiesLoaned	166339000000	USD
CY2020Q3	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	5100000000	USD
CY2019Q4	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	6300000000	USD
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell Gross SecuritiesPurchasedUnderAgreementsToResellGross	320598000000	USD
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell Liability SecuritiesPurchasedUnderAgreementsToResellLiability	115215000000	USD
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	205383000000	USD
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnSecurities	166638000000	USD
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellAmountOffsetAgainstCollateral	38745000000	USD
CY2020Q3	us-gaap	Securities Borrowed Gross SecuritiesBorrowedGross	89622000000	USD
CY2020Q3	us-gaap	Securities Borrowed Liability SecuritiesBorrowedLiability	5643000000	USD
CY2020Q3	us-gaap	Deposits Paid For Securities Borrowed At Carrying Value DepositsPaidForSecuritiesBorrowedAtCarryingValue	83979000000	USD
CY2020Q3	us-gaap	Securities Borrowed Collateral Obligation To Return Securities SecuritiesBorrowedCollateralObligationToReturnSecurities	19958000000	USD
CY2020Q3	us-gaap	Securities Borrowed Amount Offset Against Collateral SecuritiesBorrowedAmountOffsetAgainstCollateral	64021000000	USD
CY2020Q3	c	Securities Purchased Under Agreements To Resell Securities Borrowed Gross SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedGross	410220000000	USD
CY2020Q3	c	Securities Purchased Under Agreements To Resell Securities Borrowed Liability SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability	120858000000	USD
CY2020Q3	us-gaap	Carrying Value Of Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	289362000000	USD
CY2020Q3	c	Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnSecurities	186596000000	USD
CY2020Q3	c	Securities Purchased Under Agreements To Resell Securities Borrowed Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedAmountOffsetAgainstCollateral	102766000000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	309749000000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	115215000000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	194534000000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	99500000000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	95034000000	USD
CY2020Q3	us-gaap	Securities Loaned Gross SecuritiesLoanedGross	18336000000	USD
CY2020Q3	us-gaap	Securities Loaned Asset SecuritiesLoanedAsset	5643000000	USD
CY2020Q3	us-gaap	Deposits Received For Securities Loaned At Carrying Value DepositsReceivedForSecuritiesLoanedAtCarryingValue	12693000000	USD
CY2020Q3	us-gaap	Securities Loaned Collateral Right To Reclaim Securities SecuritiesLoanedCollateralRightToReclaimSecurities	3978000000	USD
CY2020Q3	us-gaap	Securities Loaned Amount Offset Against Collateral SecuritiesLoanedAmountOffsetAgainstCollateral	8715000000	USD
CY2020Q3	c	Securities Sold Under Agreements To Resell Securities Loaned Gross SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	328085000000	USD
CY2020Q3	c	Securities Sold Under Agreements To Resell Securities Loaned Asset SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset	120858000000	USD
CY2020Q3	us-gaap	Carrying Value Of Securities Sold Under Repurchase Agreements And Deposits Received For Securities Loaned CarryingValueOfSecuritiesSoldUnderRepurchaseAgreementsAndDepositsReceivedForSecuritiesLoaned	207227000000	USD
CY2020Q3	c	Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities	103478000000	USD
CY2020Q3	c	Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral	103749000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Gross SecuritiesPurchasedUnderAgreementsToResellGross	281274000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Liability SecuritiesPurchasedUnderAgreementsToResellLiability	111400000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	169874000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnSecurities	134150000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellAmountOffsetAgainstCollateral	35724000000	USD
CY2019Q4	us-gaap	Securities Borrowed Gross SecuritiesBorrowedGross	90047000000	USD
CY2019Q4	us-gaap	Securities Borrowed Liability SecuritiesBorrowedLiability	8599000000	USD
CY2019Q4	us-gaap	Deposits Paid For Securities Borrowed At Carrying Value DepositsPaidForSecuritiesBorrowedAtCarryingValue	81448000000	USD
CY2019Q4	us-gaap	Securities Borrowed Collateral Obligation To Return Securities SecuritiesBorrowedCollateralObligationToReturnSecurities	27067000000	USD
CY2019Q4	us-gaap	Securities Borrowed Amount Offset Against Collateral SecuritiesBorrowedAmountOffsetAgainstCollateral	54381000000	USD
CY2019Q4	c	Securities Purchased Under Agreements To Resell Securities Borrowed Gross SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedGross	371321000000	USD
CY2019Q4	c	Securities Purchased Under Agreements To Resell Securities Borrowed Liability SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability	119999000000	USD
CY2019Q4	us-gaap	Carrying Value Of Securities Purchased Under Agreements To Resell And Deposits Paid For Securities Borrowed CarryingValueOfSecuritiesPurchasedUnderAgreementsToResellAndDepositsPaidForSecuritiesBorrowed	251322000000	USD
CY2019Q4	c	Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnSecurities	161217000000	USD
CY2019Q4	c	Securities Purchased Under Agreements To Resell Securities Borrowed Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedAmountOffsetAgainstCollateral	90105000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	266564000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	111400000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	155164000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	91034000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	64130000000	USD
CY2019Q4	us-gaap	Securities Loaned Gross SecuritiesLoanedGross	19774000000	USD
CY2019Q4	us-gaap	Securities Loaned Asset SecuritiesLoanedAsset	8599000000	USD
CY2019Q4	us-gaap	Deposits Received For Securities Loaned At Carrying Value DepositsReceivedForSecuritiesLoanedAtCarryingValue	11175000000	USD
CY2019Q4	us-gaap	Securities Loaned Collateral Right To Reclaim Securities SecuritiesLoanedCollateralRightToReclaimSecurities	3138000000	USD
CY2019Q4	us-gaap	Securities Loaned Amount Offset Against Collateral SecuritiesLoanedAmountOffsetAgainstCollateral	8037000000	USD
CY2019Q4	c	Securities Sold Under Agreements To Resell Securities Loaned Gross SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	286338000000	USD
CY2019Q4	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	286338000000	USD
CY2019Q4	c	Securities Sold Under Agreements To Resell Securities Loaned Asset SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset	119999000000	USD
CY2019Q4	us-gaap	Carrying Value Of Securities Sold Under Repurchase Agreements And Deposits Received For Securities Loaned CarryingValueOfSecuritiesSoldUnderRepurchaseAgreementsAndDepositsReceivedForSecuritiesLoaned	166339000000	USD
CY2019Q4	c	Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities	94172000000	USD
CY2019Q4	c	Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral	72167000000	USD
CY2020Q3	us-gaap	Financial Assets Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement FinancialAssetsSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	309749000000	USD
CY2020Q3	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	18336000000	USD
CY2020Q3	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	328085000000	USD
CY2019Q4	us-gaap	Financial Assets Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement FinancialAssetsSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	266564000000	USD
CY2019Q4	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	19774000000	USD
CY2019Q4	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	286338000000	USD
CY2020Q3	us-gaap	Financial Assets Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement FinancialAssetsSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	309749000000	USD
CY2020Q3	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	18336000000	USD
CY2020Q3	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	328085000000	USD
CY2019Q4	us-gaap	Financial Assets Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement FinancialAssetsSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	266564000000	USD
CY2019Q4	us-gaap	Securities Loaned Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement	19774000000	USD
	us-gaap	Due To And From Broker Dealers And Clearing Organizations Disclosure DueToAndFromBrokerDealersAndClearingOrganizationsDisclosure	BROKERAGE RECEIVABLES AND BROKERAGE PAYABLES<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">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="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">For additional information on these receivables and payables, see Note 12 to the Consolidated Financial Statements in Citi’s 2019 Annual Report on Form 10-K.</span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Brokerage receivables </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">and </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Brokerage payables</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> consisted of the following:</span></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;vertical-align:top;width:100.000%"><tr><td style="width:1.0%"/><td style="width:49.495%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:23.602%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:23.603%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-style:italic;font-weight:400;line-height:100%">In millions of dollars</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">September 30,<br/>2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2019</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Receivables from customers</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">14,678</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,912 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Receivables from brokers, dealers and clearing organizations</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">36,932</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">23,945 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:middle"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total brokerage receivables</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:700;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(1)</span></div></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">51,610</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">39,857 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:2pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Payables to customers</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">40,503</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">37,613 </span></td><td style="background-color:#ffffff;border-top:2pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Payables to brokers, dealers and clearing organizations</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">13,825</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10,988 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:middle"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total brokerage payables</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:700;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(1)</span></div></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%">54,328</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">48,601 </span></td><td style="background-color:#ffffff;border-bottom:2pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div>(1) 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.
CY2020Q3	us-gaap	Receivables From Customers ReceivablesFromCustomers	14678000000	USD
CY2019Q4	us-gaap	Receivables From Customers ReceivablesFromCustomers	15912000000	USD
CY2020Q3	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	36932000000	USD
CY2019Q4	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	23945000000	USD
CY2020Q3	c	Brokerage Receivables BrokerageReceivables	51610000000	USD
CY2019Q4	c	Brokerage Receivables BrokerageReceivables	39857000000	USD
CY2020Q3	srt	Payables To Customers PayablesToCustomers	40503000000	USD
CY2019Q4	srt	Payables To Customers PayablesToCustomers	37613000000	USD
CY2020Q3	srt	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	13825000000	USD
CY2019Q4	srt	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	10988000000	USD
CY2020Q3	c	Brokerage Payables BrokeragePayables	54328000000	USD
CY2020Q3	c	Investments Excluding Trading Securities InvestmentsExcludingTradingSecurities	447524000000	USD
CY2019Q4	c	Brokerage Payables BrokeragePayables	48601000000	USD
CY2019Q4	c	Investments Excluding Trading Securities InvestmentsExcludingTradingSecurities	368563000000	USD
CY2020Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	1752000000	USD
CY2019Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	2291000000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	5915000000	USD
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	6987000000	USD
CY2020Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	85000000	USD
CY2019Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	75000000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	231000000	USD
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	328000000	USD
CY2020Q3	us-gaap	Dividend Income Operating DividendIncomeOperating	33000000	USD
CY2019Q3	us-gaap	Dividend Income Operating DividendIncomeOperating	45000000	USD
	us-gaap	Dividend Income Operating DividendIncomeOperating	102000000	USD
	us-gaap	Dividend Income Operating DividendIncomeOperating	149000000	USD
CY2020Q3	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	1870000000	USD
CY2019Q3	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	2411000000	USD
	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	6248000000	USD
	c	Interest And Dividend Income Securities Excluding Trading Securities InterestAndDividendIncomeSecuritiesExcludingTradingSecurities	7464000000	USD
CY2020Q3	c	Gross Realized Gain On Marketable Securities And Cost Method Investments Excluding Other Than Temporary Impairments And Other Investments GrossRealizedGainOnMarketableSecuritiesAndCostMethodInvestmentsExcludingOtherThanTemporaryImpairmentsAndOtherInvestments	381000000	USD
CY2019Q3	c	Gross Realized Gain On Marketable Securities And Cost Method Investments Excluding Other Than Temporary Impairments And Other Investments GrossRealizedGainOnMarketableSecuritiesAndCostMethodInvestmentsExcludingOtherThanTemporaryImpairmentsAndOtherInvestments	393000000	USD
	c	Gross Realized Gain On Marketable Securities And Cost Method Investments Excluding Other Than Temporary Impairments And Other Investments GrossRealizedGainOnMarketableSecuritiesAndCostMethodInvestmentsExcludingOtherThanTemporaryImpairmentsAndOtherInvestments	1619000000	USD
	c	Gross Realized Gain On Marketable Securities And Cost Method Investments Excluding Other Than Temporary Impairments And Other Investments GrossRealizedGainOnMarketableSecuritiesAndCostMethodInvestmentsExcludingOtherThanTemporaryImpairmentsAndOtherInvestments	1036000000	USD
CY2020Q3	c	Gross Realized Losson Marketable Securitiesand Cost Method Investments Excluding Otherthan Temporary Impairmentsand Other Investments GrossRealizedLossonMarketableSecuritiesandCostMethodInvestmentsExcludingOtherthanTemporaryImpairmentsandOtherInvestments	77000000	USD
CY2019Q3	c	Gross Realized Losson Marketable Securitiesand Cost Method Investments Excluding Otherthan Temporary Impairmentsand Other Investments GrossRealizedLossonMarketableSecuritiesandCostMethodInvestmentsExcludingOtherthanTemporaryImpairmentsandOtherInvestments	32000000	USD
	c	Gross Realized Losson Marketable Securitiesand Cost Method Investments Excluding Otherthan Temporary Impairmentsand Other Investments GrossRealizedLossonMarketableSecuritiesandCostMethodInvestmentsExcludingOtherthanTemporaryImpairmentsandOtherInvestments	135000000	USD
	c	Gross Realized Losson Marketable Securitiesand Cost Method Investments Excluding Otherthan Temporary Impairmentsand Other Investments GrossRealizedLossonMarketableSecuritiesandCostMethodInvestmentsExcludingOtherthanTemporaryImpairmentsandOtherInvestments	77000000	USD
CY2020Q3	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	304000000	USD
CY2019Q3	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	361000000	USD
	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	1484000000	USD
	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	959000000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	66277000000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	421000000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	3274000000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	80000000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	69551000000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	501000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	96451000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	802000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	41434000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	311000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	137885000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	1113000000	USD
CY2020Q3	c	Debt Securities Held To Maturity Net Of Allowance For Credit Losses DebtSecuritiesHeldToMaturityNetOfAllowanceForCreditLosses	96065000000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	3200000000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	251000000	USD
CY2020Q3	c	Debt Securities Held To Maturity Fair Value Net Of Allowance For Credit Losses DebtSecuritiesHeldToMaturityFairValueNetOfAllowanceForCreditLosses	99014000000	USD
CY2019Q4	c	Debt Securities Held To Maturity Net Of Allowance For Credit Losses DebtSecuritiesHeldToMaturityNetOfAllowanceForCreditLosses	80775000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	1557000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	109000000	USD
CY2019Q4	c	Debt Securities Held To Maturity Fair Value Net Of Allowance For Credit Losses DebtSecuritiesHeldToMaturityFairValueNetOfAllowanceForCreditLosses	82223000000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	98000000	USD
CY2019Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	0	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	13566000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	23000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	3006000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	86000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	16572000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	109000000	USD
CY2019Q4	c	Held To Maturity Securities Accumulated Unrecognized Other Comprehensive Loss Other Than Temporary Impairment Not Credit Loss Pre Tax HeldToMaturitySecuritiesAccumulatedUnrecognizedOtherComprehensiveLossOtherThanTemporaryImpairmentNotCreditLossPreTax	582000000	USD
CY2020Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	96065000000	USD
CY2020Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	99014000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	80775000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	82223000000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	98000000	USD
CY2020Q3	c	Other Than Temporary Impairment Losses Investments With Intent Not To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentNotToSell	0	USD
CY2019Q3	c	Other Than Temporary Impairment Losses Investments With Intent Not To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentNotToSell	0	USD
CY2020Q3	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	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
CY2020Q3	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 Not Being Sold Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsNotBeingSoldPortionRecognizedInEarningsNet	0	USD
CY2020Q3	c	Other Than Temporary Impairment Losses Investments With Intent To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentToSell	30000000	USD
CY2019Q3	c	Other Than Temporary Impairment Losses Investments With Intent To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentToSell	13000000	USD
CY2020Q3	c	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net And Equity Method Investment Other Than Temporary Impairment OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAndEquityMethodInvestmentOtherThanTemporaryImpairment	30000000	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
	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
	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
	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
	c	Other Than Temporary Impairment Losses Investments With Intent To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentToSell	101000000	USD
	c	Other Than Temporary Impairment Losses Investments With Intent To Sell OtherThanTemporaryImpairmentLossesInvestmentsWithIntentToSell	18000000	USD
	c	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net And Equity Method Investment Other Than Temporary Impairment OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAndEquityMethodInvestmentOtherThanTemporaryImpairment	101000000	USD
	c	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net And Equity Method Investment Other Than Temporary Impairment OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAndEquityMethodInvestmentOtherThanTemporaryImpairment	18000000	USD
CY2020Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	865000000	USD
CY2019Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	700000000	USD
CY2020Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	2000000	USD
CY2019Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	1000000	USD
	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	55000000	USD
	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	9000000	USD
CY2020Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	0	USD
CY2019Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	4000000	USD
	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	19000000	USD
	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	16000000	USD
CY2020Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	40000000	USD
CY2019Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	23000000	USD
	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	82000000	USD
	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	108000000	USD
CY2020Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossCumulativeAmount	67000000	USD
CY2020Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentCumulativeAmount	52000000	USD
CY2020Q3	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount	424000000	USD
CY2020Q3	c	Non Marketable Equity Securities Impairment Recognized In Earnings NonMarketableEquitySecuritiesImpairmentRecognizedInEarnings	0	USD
CY2019Q3	c	Non Marketable Equity Securities Impairment Recognized In Earnings NonMarketableEquitySecuritiesImpairmentRecognizedInEarnings	0	USD
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CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	26426000000	USD
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CY2020Q3	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	98000000	USD
CY2020Q2	c	Financing Receivable Other Assets Allowancefor Credit Loss FinancingReceivableOtherAssetsAllowanceforCreditLoss	102000000	USD
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CY2020Q3	c	Financing Receivable Other Assets Allowancefor Credit Loss FinancingReceivableOtherAssetsAllowanceforCreditLoss	79000000	USD
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CY2020Q2	us-gaap	Goodwill Goodwill	21399000000	USD
CY2020Q3	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	225000000	USD
CY2020Q3	us-gaap	Goodwill Goodwill	21624000000	USD
CY2020Q3	c	Intangible Assets Excluding Mortgage Servicing Rights Gross Carrying Amount IntangibleAssetsExcludingMortgageServicingRightsGrossCarryingAmount	10312000000	USD
CY2020Q3	c	Intangible Assets Excluding Mortgage Servicing Rights Accumulated Amortization IntangibleAssetsExcludingMortgageServicingRightsAccumulatedAmortization	5842000000	USD
CY2020Q3	c	Intangible Assets Excluding Mortgage Servicing Rights IntangibleAssetsExcludingMortgageServicingRights	4470000000	USD
CY2019Q4	c	Intangible Assets Excluding Mortgage Servicing Rights Gross Carrying Amount IntangibleAssetsExcludingMortgageServicingRightsGrossCarryingAmount	12271000000	USD
CY2019Q4	c	Intangible Assets Excluding Mortgage Servicing Rights Accumulated Amortization IntangibleAssetsExcludingMortgageServicingRightsAccumulatedAmortization	7944000000	USD
CY2019Q4	c	Intangible Assets Excluding Mortgage Servicing Rights IntangibleAssetsExcludingMortgageServicingRights	4327000000	USD
CY2020Q3	c	Mortgage Servicing Rights Msr Gross Carrying Amount MortgageServicingRightsMSRGrossCarryingAmount	334000000	USD
CY2020Q3	c	Mortgage Servicing Rights Msr MortgageServicingRightsMSR	334000000	USD
CY2019Q4	c	Mortgage Servicing Rights Msr Gross Carrying Amount MortgageServicingRightsMSRGrossCarryingAmount	495000000	USD
CY2019Q4	c	Mortgage Servicing Rights Msr MortgageServicingRightsMSR	495000000	USD
CY2020Q3	c	Intangible Assets Including Mortgage Servicing Rights Gross Carrying Amount IntangibleAssetsIncludingMortgageServicingRightsGrossCarryingAmount	10646000000	USD
CY2020Q3	c	Intangible Assets Including Mortgage Servicing Rights Accumulated Amortization IntangibleAssetsIncludingMortgageServicingRightsAccumulatedAmortization	5842000000	USD
CY2020Q3	c	Intangible Assets Including Mortgage Servicing Rights IntangibleAssetsIncludingMortgageServicingRights	4804000000	USD
CY2019Q4	c	Intangible Assets Including Mortgage Servicing Rights Gross Carrying Amount IntangibleAssetsIncludingMortgageServicingRightsGrossCarryingAmount	12766000000	USD
CY2019Q4	c	Intangible Assets Including Mortgage Servicing Rights Accumulated Amortization IntangibleAssetsIncludingMortgageServicingRightsAccumulatedAmortization	7944000000	USD
CY2019Q4	c	Intangible Assets Including Mortgage Servicing Rights IntangibleAssetsIncludingMortgageServicingRights	4822000000	USD
CY2019Q4	c	Intangible Assets Excluding Mortgage Servicing Rights IntangibleAssetsExcludingMortgageServicingRights	4327000000	USD
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CY2020Q3	c	Intangible Assets Excluding Mortgage Servicing Rights IntangibleAssetsExcludingMortgageServicingRights	4470000000	USD
CY2019Q4	c	Mortgage Servicing Rights Msr MortgageServicingRightsMSR	495000000	USD
CY2020Q3	c	Mortgage Servicing Rights Msr MortgageServicingRightsMSR	334000000	USD
CY2019Q4	c	Intangible Assets Including Mortgage Servicing Rights IntangibleAssetsIncludingMortgageServicingRights	4822000000	USD
CY2020Q3	c	Intangible Assets Including Mortgage Servicing Rights IntangibleAssetsIncludingMortgageServicingRights	4804000000	USD
CY2020Q3	us-gaap	Commercial Paper CommercialPaper	19351000000	USD
CY2019Q4	us-gaap	Commercial Paper CommercialPaper	16476000000	USD
CY2020Q3	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	18088000000	USD
CY2019Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	28573000000	USD
CY2020Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	37439000000	USD
CY2019Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	45049000000	USD
CY2020Q3	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	9800000000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	17600000000	USD
CY2020Q3	us-gaap	Long Term Debt LongTermDebt	273254000000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	248760000000	USD
CY2020Q3	c	Trust Preferred Securities Carrying Value TrustPreferredSecuritiesCarryingValue	1700000000	USD
CY2019Q4	c	Trust Preferred Securities Carrying Value TrustPreferredSecuritiesCarryingValue	1700000000	USD
CY2020Q3	c	Trust Preferred Securities Liquidation Value TrustPreferredSecuritiesLiquidationValue	2569000000	USD
CY2020Q3	c	Junior Subordinated Debentures Owned By Trust Proceeds Received From Trust At Issuance JuniorSubordinatedDebenturesOwnedByTrustProceedsReceivedFromTrustAtIssuance	2575000000	USD
CY2020Q3	c	Special Purpose Entity Total Involvement With Spe Assets SpecialPurposeEntityTotalInvolvementWithSPEAssets	468355000000	USD
CY2020Q3	c	Variable Interest Entity And Special Purpose Entity Consolidated Carrying Amount Assets VariableInterestEntityAndSpecialPurposeEntityConsolidatedCarryingAmountAssets	58605000000	USD
CY2020Q3	c	Variable Interest Entity Nonconsolidated Involvement Assets VariableInterestEntityNonconsolidatedInvolvementAssets	409750000000	USD
CY2020Q3	c	Variable Interest Entity Debt Investments Funded Maximum Exposure To Loss VariableInterestEntityDebtInvestmentsFundedMaximumExposureToLoss	34741000000	USD
CY2020Q3	c	Variable Interest Entity Equity Investments Funded Maximum Exposure To Loss VariableInterestEntityEquityInvestmentsFundedMaximumExposureToLoss	5300000000	USD
CY2020Q3	c	Variable Interest Entity Funding Commitments Unfunded Maximum Exposure To Loss VariableInterestEntityFundingCommitmentsUnfundedMaximumExposureToLoss	14396000000	USD
CY2020Q3	c	Variable Interest Entity Guarantees And Derivatives Unfunded Maximum Exposure To Loss VariableInterestEntityGuaranteesAndDerivativesUnfundedMaximumExposureToLoss	113000000	USD
CY2020Q3	us-gaap	Variable Interest Entity Entity Maximum Loss Exposure Amount VariableInterestEntityEntityMaximumLossExposureAmount	54550000000	USD
CY2019Q4	c	Special Purpose Entity Total Involvement With Spe Assets SpecialPurposeEntityTotalInvolvementWithSPEAssets	460237000000	USD
CY2019Q4	c	Variable Interest Entity And Special Purpose Entity Consolidated Carrying Amount Assets VariableInterestEntityAndSpecialPurposeEntityConsolidatedCarryingAmountAssets	69506000000	USD
CY2019Q4	c	Variable Interest Entity Nonconsolidated Involvement Assets VariableInterestEntityNonconsolidatedInvolvementAssets	390731000000	USD
CY2019Q4	c	Variable Interest Entity Debt Investments Funded Maximum Exposure To Loss VariableInterestEntityDebtInvestmentsFundedMaximumExposureToLoss	34324000000	USD
CY2019Q4	c	Variable Interest Entity Equity Investments Funded Maximum Exposure To Loss VariableInterestEntityEquityInvestmentsFundedMaximumExposureToLoss	5425000000	USD
CY2019Q4	c	Variable Interest Entity Funding Commitments Unfunded Maximum Exposure To Loss VariableInterestEntityFundingCommitmentsUnfundedMaximumExposureToLoss	16157000000	USD
CY2019Q4	c	Variable Interest Entity Guarantees And Derivatives Unfunded Maximum Exposure To Loss VariableInterestEntityGuaranteesAndDerivativesUnfundedMaximumExposureToLoss	74000000	USD
CY2019Q4	us-gaap	Variable Interest Entity Entity Maximum Loss Exposure Amount VariableInterestEntityEntityMaximumLossExposureAmount	55980000000	USD
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CY2020Q3	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	15400000000	USD
CY2019Q4	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	19700000000	USD
CY2020Q3	c	Portion Of Securitized Assets And Any Other Financial Assets Managed Together Retained By Trust Issued Securities PortionOfSecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherRetainedByTrustIssuedSecurities	5200000000	USD
CY2019Q4	c	Portion Of Securitized Assets And Any Other Financial Assets Managed Together Retained By Trust Issued Securities PortionOfSecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherRetainedByTrustIssuedSecurities	6200000000	USD
CY2020Q3	c	Portion Of Securitized Assets And Any Other Financial Assets Managed Together Retained By Reporting Entity Via Non Certificated Interests PortionOfSecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherRetainedByReportingEntityViaNonCertificatedInterests	14100000000	USD
CY2019Q4	c	Portion Of Securitized Assets And Any Other Financial Assets Managed Together Retained By Reporting Entity Via Non Certificated Interests PortionOfSecuritizedAssetsAndAnyOtherFinancialAssetsManagedTogetherRetainedByReportingEntityViaNonCertificatedInterests	17800000000	USD
CY2020Q3	c	Securitized Credit Card Receivables Principal Amount Outstanding SecuritizedCreditCardReceivablesPrincipalAmountOutstanding	34700000000	USD
CY2019Q4	c	Securitized Credit Card Receivables Principal Amount Outstanding SecuritizedCreditCardReceivablesPrincipalAmountOutstanding	43700000000	USD
CY2020Q3	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	53126000000	USD
CY2020Q3	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	54089000000	USD
CY2019Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	38919000000	USD
CY2019Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	44353000000	USD
CY2020Q3	us-gaap	Hedged Asset Fair Value Hedge HedgedAssetFairValueHedge	99152000000	USD
CY2020Q3	us-gaap	Hedged Asset Fair Value Hedge Cumulative Increase Decrease HedgedAssetFairValueHedgeCumulativeIncreaseDecrease	22000000	USD
CY2020Q3	us-gaap	Hedged Asset Discontinued Fair Value Hedge Cumulative Increase Decrease HedgedAssetDiscontinuedFairValueHedgeCumulativeIncreaseDecrease	385000000	USD
CY2020Q3	us-gaap	Hedged Liability Fair Value Hedge HedgedLiabilityFairValueHedge	170069000000	USD
CY2020Q3	us-gaap	Hedged Liability Fair Value Hedge Cumulative Increase Decrease HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease	7811000000	USD
CY2020Q3	us-gaap	Hedged Liability Discontinued Fair Value Hedge Cumulative Increase Decrease HedgedLiabilityDiscontinuedFairValueHedgeCumulativeIncreaseDecrease	4197000000	USD
CY2019Q4	us-gaap	Hedged Asset Fair Value Hedge HedgedAssetFairValueHedge	94659000000	USD
CY2019Q4	us-gaap	Hedged Asset Fair Value Hedge Cumulative Increase Decrease HedgedAssetFairValueHedgeCumulativeIncreaseDecrease	-114000000	USD
CY2019Q4	us-gaap	Hedged Asset Discontinued Fair Value Hedge Cumulative Increase Decrease HedgedAssetDiscontinuedFairValueHedgeCumulativeIncreaseDecrease	743000000	USD
CY2019Q4	us-gaap	Hedged Liability Fair Value Hedge HedgedLiabilityFairValueHedge	157387000000	USD
CY2019Q4	us-gaap	Hedged Liability Fair Value Hedge Cumulative Increase Decrease HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease	2334000000	USD
CY2019Q4	us-gaap	Hedged Liability Discontinued Fair Value Hedge Cumulative Increase Decrease HedgedLiabilityDiscontinuedFairValueHedgeCumulativeIncreaseDecrease	3445000000	USD
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CY2020Q3	c	Prepayable Financial Asset Closed Portfolio Discontinued Hedged Asset Fair Value Hedge Last Of Layer Cumulative Increase Decrease PrepayableFinancialAssetClosedPortfolioDiscontinuedHedgedAssetFairValueHedgeLastOfLayerCumulativeIncreaseDecrease	74000000	USD
CY2020Q3	us-gaap	Hedged Asset Fair Value Hedge Last Of Layer Amount HedgedAssetFairValueHedgeLastOfLayerAmount	1768000000	USD
CY2020Q3	us-gaap	Closed Portfolio And Beneficial Interest Last Of Layer Amortized Cost ClosedPortfolioAndBeneficialInterestLastOfLayerAmortizedCost	20000000000	USD
CY2019Q4	c	Prepayable Financial Asset Closed Portfolio Hedged Asset Fair Value Hedge Last Of Layer Cumulative Increase Decrease PrepayableFinancialAssetClosedPortfolioHedgedAssetFairValueHedgeLastOfLayerCumulativeIncreaseDecrease	-8000000	USD
CY2019Q4	c	Prepayable Financial Asset Closed Portfolio Discontinued Hedged Asset Fair Value Hedge Last Of Layer Cumulative Increase Decrease PrepayableFinancialAssetClosedPortfolioDiscontinuedHedgedAssetFairValueHedgeLastOfLayerCumulativeIncreaseDecrease	157000000	USD
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CY2020Q3	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10884000000	USD
CY2020Q3	us-gaap	Credit Risk Derivative Liabilities At Fair Value CreditRiskDerivativeLiabilitiesAtFairValue	11494000000	USD
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CY2020Q3	c	Credit Derivatives Notional Amount Purchased Credit Protection CreditDerivativesNotionalAmountPurchasedCreditProtection	699908000000	USD
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CY2020Q3	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10884000000	USD
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CY2020Q3	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10884000000	USD
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CY2020Q3	c	Credit Derivatives Notional Amount Purchased Credit Protection CreditDerivativesNotionalAmountPurchasedCreditProtection	699908000000	USD
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CY2019Q4	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10409000000	USD
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CY2019Q4	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10409000000	USD
CY2019Q4	us-gaap	Credit Risk Derivative Liabilities At Fair Value CreditRiskDerivativeLiabilitiesAtFairValue	10738000000	USD
CY2019Q4	c	Credit Derivatives Notional Amount Purchased Credit Protection CreditDerivativesNotionalAmountPurchasedCreditProtection	703926000000	USD
CY2019Q4	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	603387000000	USD
CY2019Q4	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10409000000	USD
CY2019Q4	us-gaap	Credit Risk Derivative Liabilities At Fair Value CreditRiskDerivativeLiabilitiesAtFairValue	10738000000	USD
CY2019Q4	c	Credit Derivatives Notional Amount Purchased Credit Protection CreditDerivativesNotionalAmountPurchasedCreditProtection	703926000000	USD
CY2019Q4	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	603387000000	USD
CY2019Q4	us-gaap	Credit Risk Derivative Assets At Fair Value CreditRiskDerivativeAssetsAtFairValue	10409000000	USD
CY2019Q4	us-gaap	Credit Risk Derivative Liabilities At Fair Value CreditRiskDerivativeLiabilitiesAtFairValue	10738000000	USD
CY2019Q4	c	Credit Derivatives Notional Amount Purchased Credit Protection CreditDerivativesNotionalAmountPurchasedCreditProtection	703926000000	USD
CY2019Q4	us-gaap	Credit Derivative Maximum Exposure Undiscounted CreditDerivativeMaximumExposureUndiscounted	603387000000	USD
CY2020Q3	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	28000000000	USD
CY2019Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	30000000000	USD
CY2020Q3	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	24000000000	USD
CY2019Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	28000000000	USD
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CY2020Q3	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	800000000	USD
CY2020Q3	c	Derivative Collateral Obligation To Return Cash Portion To Be Segregated DerivativeCollateralObligationToReturnCashPortionToBeSegregated	200000000	USD
CY2020Q3	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Assets DerivativeCreditRiskValuationAdjustmentDerivativeAssets	1135000000	USD
CY2020Q3	c	Credit Derivative Aggregate Cash Obligations And Collateral Requirements CreditDerivativeAggregateCashObligationsAndCollateralRequirements	1000000000	USD
CY2020Q3	c	Counterparty Derivative Credit Risk Valuation Adjustment Derivative Assets CounterpartyDerivativeCreditRiskValuationAdjustmentDerivativeAssets	1031000000	USD
CY2019Q4	c	Counterparty Derivative Credit Risk Valuation Adjustment Derivative Assets CounterpartyDerivativeCreditRiskValuationAdjustmentDerivativeAssets	705000000	USD
CY2020Q3	c	Derivative Funding Valuation Adjustment Derivative Assets DerivativeFundingValuationAdjustmentDerivativeAssets	746000000	USD
CY2019Q4	c	Derivative Funding Valuation Adjustment Derivative Assets DerivativeFundingValuationAdjustmentDerivativeAssets	530000000	USD
CY2020Q3	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Liabilities DerivativeCreditRiskValuationAdjustmentDerivativeLiabilities	482000000	USD
CY2019Q4	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Liabilities DerivativeCreditRiskValuationAdjustmentDerivativeLiabilities	341000000	USD
CY2020Q3	c	Derivative Funding Valuation Adjustment Derivative Liabilities DerivativeFundingValuationAdjustmentDerivativeLiabilities	160000000	USD
CY2019Q4	c	Derivative Funding Valuation Adjustment Derivative Liabilities DerivativeFundingValuationAdjustmentDerivativeLiabilities	72000000	USD
CY2019Q4	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Assets DerivativeCreditRiskValuationAdjustmentDerivativeAssets	822000000	USD
CY2020Q3	c	Counterparty Derivative Credit Risk Valuation Adjustment Gain Loss CounterpartyDerivativeCreditRiskValuationAdjustmentGainLoss	104000000	USD
CY2019Q3	c	Counterparty Derivative Credit Risk Valuation Adjustment Gain Loss CounterpartyDerivativeCreditRiskValuationAdjustmentGainLoss	2000000	USD
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CY2020Q3	c	Derivative Funding Valuation Adjustment Gain Losson Derivative Asset DerivativeFundingValuationAdjustmentGainLossonDerivativeAsset	105000000	USD
CY2019Q3	c	Derivative Funding Valuation Adjustment Gain Losson Derivative Asset DerivativeFundingValuationAdjustmentGainLossonDerivativeAsset	-78000000	USD
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CY2020Q3	c	Derivative Credit Risk Valuation Adjustment Gain Loss DerivativeCreditRiskValuationAdjustmentGainLoss	-62000000	USD
CY2019Q3	c	Derivative Credit Risk Valuation Adjustment Gain Loss DerivativeCreditRiskValuationAdjustmentGainLoss	85000000	USD
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CY2020Q3	c	Derivative Funding Valuation Adjustment Gain Losson Derivative Liability DerivativeFundingValuationAdjustmentGainLossonDerivativeLiability	-36000000	USD
CY2019Q3	c	Derivative Funding Valuation Adjustment Gain Losson Derivative Liability DerivativeFundingValuationAdjustmentGainLossonDerivativeLiability	14000000	USD
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CY2020Q3	c	Derivative Funding Valuation Adjustment Gain Loss Net DerivativeFundingValuationAdjustmentGainLossNet	111000000	USD
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CY2019Q3	c	Derivative Debt Valuation Adjustment Gain Losson Fair Value Option Liability DerivativeDebtValuationAdjustmentGainLossonFairValueOptionLiability	273000000	USD
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CY2020Q3	c	Derivative Creditand Debt Valuation Adjustment Gain Loss DerivativeCreditandDebtValuationAdjustmentGainLoss	-341000000	USD
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CY2019Q4	c	Fair Value Option Loans Held As Assets Nonaccrual Status Or90 Days Or More Past Due FairValueOptionLoansHeldAsAssetsNonaccrualStatusOr90DaysOrMorePastDue	1000000	USD
CY2020Q3	c	Fair Value Option Loans Held As Assets Aggregate Amount In Nonaccrual Status Or90 Days Or More Past Due FairValueOptionLoansHeldAsAssetsAggregateAmountInNonaccrualStatusOr90DaysOrMorePastDue	0	USD
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CY2020Q3	c	Interestbearing Depositsin Banksand Other Financial Institutions Excluding Intercompany Activity InterestbearingDepositsinBanksandOtherFinancialInstitutionsExcludingIntercompanyActivity	298387000000	USD
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CY2020Q3	us-gaap	Trading Securities TradingSecurities	348209000000	USD
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CY2020Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	666911000000	USD
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CY2020Q3	c	Other Assets Intercompany OtherAssetsIntercompany	0	USD
CY2020Q3	us-gaap	Assets Assets	2234459000000	USD
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CY2020Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2234459000000	USD
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	c	Proceeds From Repayments Of Long Term Debt Intercompany ProceedsFromRepaymentsOfLongTermDebtIntercompany	0	USD
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	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	129776000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	193919000000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	323695000000	USD
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	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	2122000000	USD
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	us-gaap	Payments Of Dividends PaymentsOfDividends	4048000000	USD
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	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	74599000000	USD
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	c	Proceeds From Repayments Of Short Term Debt Intercompany ProceedsFromRepaymentsOfShortTermDebtIntercompany	0	USD
	us-gaap	Proceeds From Contributions From Parent ProceedsFromContributionsFromParent	0	USD
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	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	81151000000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1363000000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	32338000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	188105000000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	220443000000	USD
CY2019Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	24086000000	USD
CY2019Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	196357000000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	220443000000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3735000000	USD
	us-gaap	Interest Paid Net InterestPaidNet	22343000000	USD
	us-gaap	Financing Receivable Reclassification To Held For Sale FinancingReceivableReclassificationToHeldForSale	4400000000	USD

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$C
CITIGROUP INC Stock $c

2020 Q3 Form 10-Q Financial Statement

#000083100120000110 Filed on November 04, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$C CITIGROUP INC Stock $c

2020 Q3 Form 10-Q Financial Statement

#000083100120000110 Filed on November 04, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$C
CITIGROUP INC Stock $c