$STT
STATE STREET CORP Stock $stt

$stt Overview Financials Valuation SEC Filings Company Website

2018 Form 8-K Financial Statement

#000009375119000390 Filed on May 02, 2019

Income Statement

Concept	2018	2017 Q4	2017
Revenue	$12.13B		$11.27B
YoY Change	7.68%		9.47%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$1.324B		$1.167B
YoY Change	13.45%		5.61%
% of Gross Profit
Depreciation & Amortization	$599.0M	$289.0M	$526.0M
YoY Change	13.88%	11.58%	11.44%
% of Gross Profit
Operating Expenses	$1.324B		$1.167B
YoY Change	13.45%		5.61%
Operating Profit
YoY Change
Interest Expense	$991.0M		$604.0M
YoY Change	64.07%		41.12%
% of Operating Profit
Other Income/Expense, Net	$1.176B		$929.0M
YoY Change	26.59%		-3.53%
Pretax Income	$3.101B	$813.0M	$2.995B
YoY Change	3.54%	135.65%	35.89%
Income Tax	$508.0M	$207.0M	$839.0M
% Of Pretax Income	16.38%	25.46%	28.01%
Net Earnings	$2.593B	$349.0M	$2.156B
YoY Change	20.27%	-41.15%	0.84%
Net Earnings / Revenue	21.37%		19.14%
Basic Earnings Per Share	$6.46		$5.26
Diluted Earnings Per Share	$6.39	$929.4K	$5.19
COMMON SHARES
Basic Shares Outstanding	372.0M shares	370.8M shares	374.8M shares
Diluted Shares Outstanding	376.5M shares		380.2M shares

Balance Sheet

Concept	2018	2017 Q4	2017
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents		$2.004B
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	$2.214B	$2.186B	$2.186B
YoY Change	1.28%	6.01%	6.01%
Goodwill		$6.022B
YoY Change		3.58%
Intangibles
YoY Change
Long-Term Investments	$2.882B	$2.226B	$2.259B
YoY Change	27.58%	-5.8%	-4.4%
Other Assets	$113.0M	$113.0M	$113.0M
YoY Change	0.0%	-46.19%	-46.19%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$244.6B	$238.4B	$238.4B
YoY Change	2.59%	-1.77%	-1.76%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$18.99B	$9.724B	$9.724B
YoY Change	95.28%	-10.78%	-10.78%
Deferred Revenue
YoY Change
Short-Term Debt	$4.174B	$3.986B	$3.986B
YoY Change	4.72%	-33.4%	-33.4%
Long-Term Debt Due			$53.00M
YoY Change			-7.02%
Total Short-Term Liabilities	$18.99B	$9.724B	$9.777B
YoY Change	94.22%	-10.78%	-10.76%
LONG-TERM LIABILITIES
Long-Term Debt	$11.09B	$11.62B	$11.57B
YoY Change	-4.1%	1.66%	1.71%
Other Long-Term Liabilities	$5.243B	$5.882B	$5.882B
YoY Change	-10.86%	-2.0%	-2.0%
Total Long-Term Liabilities	$16.34B	$17.50B	$17.45B
YoY Change	-6.38%	0.4%	0.43%
TOTAL LIABILITIES
Total Short-Term Liabilities	$18.99B	$9.724B	$9.777B
Total Long-Term Liabilities	$16.34B	$17.50B	$17.45B
Total Liabilities	$219.9B	$216.1B	$216.1B
YoY Change	1.74%	-2.42%	-2.43%
SHAREHOLDERS EQUITY
Retained Earnings		$18.81B
YoY Change		7.73%
Common Stock		$504.0M
YoY Change		0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$9.029B
YoY Change		17.53%
Treasury Stock Shares		136.2M shares
Shareholders Equity	$24.74B	$22.27B	$22.32B
YoY Change
Total Liabilities & Shareholders Equity	$244.6B	$238.4B	$238.4B
YoY Change	2.59%	-1.77%	-1.76%

Cashflow Statement

Concept	2018	2017 Q4	2017
OPERATING ACTIVITIES
Net Income	$2.593B	$349.0M	$2.156B
YoY Change	20.27%	-41.15%	0.84%
Depreciation, Depletion And Amortization	$599.0M	$289.0M	$526.0M
YoY Change	13.88%	11.58%	11.44%
Cash From Operating Activities	$10.18B	$5.083B	$6.940B
YoY Change	46.61%	36207.14%	203.06%
INVESTING ACTIVITIES
Capital Expenditures	$609.0M	-$152.0M	$637.0M
YoY Change	-4.4%	11.76%	3.92%
Acquisitions	$2.595B		$0.00
YoY Change			-100.0%
Other Investing Activities	-$76.00M	-$10.68B	-$102.0M
YoY Change	-25.49%	-207.67%	-40.0%
Cash From Investing Activities	-$4.496B	-$10.83B	$48.00M
YoY Change	-9466.67%	-210.72%	-98.87%
FINANCING ACTIVITIES
Cash Dividend Paid	$828.0M		$768.0M
YoY Change	7.81%		6.22%
Common Stock Issuance & Retirement, Net	-$800.0M		$1.292B
YoY Change	-161.92%		-5.35%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$4.471B	3.923B	-$6.188B
YoY Change	-27.75%	-132.77%	-3.51%
NET CHANGE
Cash From Operating Activities	$10.18B	5.083B	$6.940B
Cash From Investing Activities	-$4.496B	-10.83B	$48.00M
Cash From Financing Activities	-$4.471B	3.923B	-$6.188B
Net Change In Cash	$1.208B	-1.825B	$800.0M
YoY Change	51.0%	-16.13%	647.66%
FREE CASH FLOW
Cash From Operating Activities	$10.18B	$5.083B	$6.940B
Capital Expenditures	$609.0M	-$152.0M	$637.0M
Free Cash Flow	$9.566B	$5.235B	$6.303B
YoY Change	51.77%	3390.0%	275.85%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2018	dei	Amendment Flag AmendmentFlag	false
CY2018	dei	Document Period End Date DocumentPeriodEndDate	2018-12-31
CY2018	dei	Document Type DocumentType	8-K
CY2018	dei	Entity Central Index Key EntityCentralIndexKey	0000093751
CY2018	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2018	dei	Entity Registrant Name EntityRegistrantName	STATE STREET Corp
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CY2016Q4	stt	Net Unrealized Loss Related To Reclassified Securities NetUnrealizedLossRelatedToReclassifiedSecurities	-25000000	USD
CY2017Q4	stt	Net Unrealized Loss Related To Reclassified Securities NetUnrealizedLossRelatedToReclassifiedSecurities	-19000000	USD
CY2018Q4	stt	Net Unrealized Loss Related To Reclassified Securities NetUnrealizedLossRelatedToReclassifiedSecurities	-58000000	USD
CY2016	stt	Noncash Adjustments For Depreciation Amortization Accretion NoncashAdjustmentsForDepreciationAmortizationAccretion	722000000	USD
CY2017	stt	Noncash Adjustments For Depreciation Amortization Accretion NoncashAdjustmentsForDepreciationAmortizationAccretion	871000000	USD
CY2018	stt	Noncash Adjustments For Depreciation Amortization Accretion NoncashAdjustmentsForDepreciationAmortizationAccretion	977000000	USD
CY2018Q4	stt	Operating Leases Future Minimum Payments Due Current Decrease OperatingLeasesFutureMinimumPaymentsDueCurrentDecrease	16000000	USD
CY2016	stt	Other Comprehensive Income Loss Change In Net Unrealized Gain Loss On Afs Securities Net Of Reclass And Expected Loss From Otti Related Taxes OtherComprehensiveIncomeLossChangeInNetUnrealizedGainLossOnAfsSecuritiesNetOfReclassAndExpectedLossFromOttiRelatedTaxes	-119000000	USD
CY2017	stt	Other Comprehensive Income Loss Change In Net Unrealized Gain Loss On Afs Securities Net Of Reclass And Expected Loss From Otti Related Taxes OtherComprehensiveIncomeLossChangeInNetUnrealizedGainLossOnAfsSecuritiesNetOfReclassAndExpectedLossFromOttiRelatedTaxes	272000000	USD
CY2018	stt	Other Comprehensive Income Loss Change In Net Unrealized Gain Loss On Afs Securities Net Of Reclass And Expected Loss From Otti Related Taxes OtherComprehensiveIncomeLossChangeInNetUnrealizedGainLossOnAfsSecuritiesNetOfReclassAndExpectedLossFromOttiRelatedTaxes	-134000000	USD
CY2016	stt	Other Comprehensive Income Loss Change In Unrealized Gain Loss On Afs Securities Designated As Fair Value Hedges Related Taxes OtherComprehensiveIncomeLossChangeInUnrealizedGainLossOnAfsSecuritiesDesignatedAsFairValueHedgesRelatedTaxes	16000000	USD
CY2017	stt	Other Comprehensive Income Loss Change In Unrealized Gain Loss On Afs Securities Designated As Fair Value Hedges Related Taxes OtherComprehensiveIncomeLossChangeInUnrealizedGainLossOnAfsSecuritiesDesignatedAsFairValueHedgesRelatedTaxes	16000000	USD
CY2018	stt	Other Comprehensive Income Loss Change In Unrealized Gain Loss On Afs Securities Designated As Fair Value Hedges Related Taxes OtherComprehensiveIncomeLossChangeInUnrealizedGainLossOnAfsSecuritiesDesignatedAsFairValueHedgesRelatedTaxes	9000000	USD
CY2016	stt	Other Comprehensive Income Loss Expected Losses From Otti On Htm Securities Not From Credit Net Of Taxes OtherComprehensiveIncomeLossExpectedLossesFromOttiOnHtmSecuritiesNotFromCreditNetOfTaxes	7000000	USD
CY2017	stt	Other Comprehensive Income Loss Expected Losses From Otti On Htm Securities Not From Credit Net Of Taxes OtherComprehensiveIncomeLossExpectedLossesFromOttiOnHtmSecuritiesNotFromCreditNetOfTaxes	3000000	USD
CY2018	stt	Other Comprehensive Income Loss Expected Losses From Otti On Htm Securities Not From Credit Net Of Taxes OtherComprehensiveIncomeLossExpectedLossesFromOttiOnHtmSecuritiesNotFromCreditNetOfTaxes	4000000	USD
CY2016	stt	Other Comprehensive Income Loss Expected Losses From Otti On Htm Securities Not From Credit Related Taxes OtherComprehensiveIncomeLossExpectedLossesFromOttiOnHtmSecuritiesNotFromCreditRelatedTaxes	5000000	USD
CY2017	stt	Other Comprehensive Income Loss Expected Losses From Otti On Htm Securities Not From Credit Related Taxes OtherComprehensiveIncomeLossExpectedLossesFromOttiOnHtmSecuritiesNotFromCreditRelatedTaxes	3000000	USD
CY2018	stt	Other Comprehensive Income Loss Expected Losses From Otti On Htm Securities Not From Credit Related Taxes OtherComprehensiveIncomeLossExpectedLossesFromOttiOnHtmSecuritiesNotFromCreditRelatedTaxes	2000000	USD
CY2016	stt	Other Comprehensive Income Loss Minimum Pension Liability Net Adjustment Tax OtherComprehensiveIncomeLossMinimumPensionLiabilityNetAdjustmentTax	1000000	USD
CY2017	stt	Other Comprehensive Income Loss Minimum Pension Liability Net Adjustment Tax OtherComprehensiveIncomeLossMinimumPensionLiabilityNetAdjustmentTax	8000000	USD
CY2018	stt	Other Comprehensive Income Loss Minimum Pension Liability Net Adjustment Tax OtherComprehensiveIncomeLossMinimumPensionLiabilityNetAdjustmentTax	8000000	USD
CY2016	stt	Other Comprehensive Income Loss Securities Available For Sale Designated In Fair Value Hedges Unrealized Holding Gain Loss Arising During Period After Tax OtherComprehensiveIncomeLossSecuritiesAvailableForSaleDesignatedInFairValueHedgesUnrealizedHoldingGainLossArisingDuringPeriodAfterTax	23000000	USD
CY2017	stt	Other Comprehensive Income Loss Securities Available For Sale Designated In Fair Value Hedges Unrealized Holding Gain Loss Arising During Period After Tax OtherComprehensiveIncomeLossSecuritiesAvailableForSaleDesignatedInFairValueHedgesUnrealizedHoldingGainLossArisingDuringPeriodAfterTax	22000000	USD
CY2018	stt	Other Comprehensive Income Loss Securities Available For Sale Designated In Fair Value Hedges Unrealized Holding Gain Loss Arising During Period After Tax OtherComprehensiveIncomeLossSecuritiesAvailableForSaleDesignatedInFairValueHedgesUnrealizedHoldingGainLossArisingDuringPeriodAfterTax	24000000	USD
CY2016	stt	Other Interest Earning Liabilities OtherInterestEarningLiabilities	75000000	USD
CY2017	stt	Other Interest Earning Liabilities OtherInterestEarningLiabilities	121000000	USD
CY2018	stt	Other Interest Earning Liabilities OtherInterestEarningLiabilities	209000000	USD
CY2016	stt	Pre Tax Margin PreTaxMargin	0.21
CY2017	stt	Pre Tax Margin PreTaxMargin	0.27
CY2018	stt	Pre Tax Margin PreTaxMargin	0.26
CY2017Q4	stt	Receivable For Security Settlement ReceivableForSecuritySettlement	188000000	USD
CY2018Q4	stt	Receivable For Security Settlement ReceivableForSecuritySettlement	531000000	USD
CY2016	stt	Regulatory Feesand Assessments RegulatoryFeesandAssessments	82000000	USD
CY2017	stt	Regulatory Feesand Assessments RegulatoryFeesandAssessments	106000000	USD
CY2018	stt	Regulatory Feesand Assessments RegulatoryFeesandAssessments	87000000	USD
CY2017Q4	stt	Repurchase Agreements And Securities Lending Fair Value Amount Not Offset Against Collateral RepurchaseAgreementsAndSecuritiesLendingFairValueAmountNotOffsetAgainstCollateral	6693000000	USD
CY2018Q4	stt	Repurchase Agreements And Securities Lending Fair Value Amount Not Offset Against Collateral RepurchaseAgreementsAndSecuritiesLendingFairValueAmountNotOffsetAgainstCollateral	12605000000	USD
CY2017Q4	stt	Repurchase Agreements And Securities Loaned Amount Offset Against Collateral RepurchaseAgreementsAndSecuritiesLoanedAmountOffsetAgainstCollateral	2394000000	USD
CY2018Q4	stt	Repurchase Agreements And Securities Loaned Amount Offset Against Collateral RepurchaseAgreementsAndSecuritiesLoanedAmountOffsetAgainstCollateral	1062000000	USD
CY2017Q4	stt	Repurchase Agreements And Securities Loaned Collateral Right To Reclaim Cash RepurchaseAgreementsAndSecuritiesLoanedCollateralRightToReclaimCash	4299000000	USD
CY2018Q4	stt	Repurchase Agreements And Securities Loaned Collateral Right To Reclaim Cash RepurchaseAgreementsAndSecuritiesLoanedCollateralRightToReclaimCash	11543000000	USD
CY2016	stt	Repurchases Of Common Stock For Employee Tax Withholding RepurchasesOfCommonStockForEmployeeTaxWithholding	122000000	USD
CY2017	stt	Repurchases Of Common Stock For Employee Tax Withholding RepurchasesOfCommonStockForEmployeeTaxWithholding	126000000	USD
CY2018	stt	Repurchases Of Common Stock For Employee Tax Withholding RepurchasesOfCommonStockForEmployeeTaxWithholding	124000000	USD
CY2017Q4	stt	Reverse Repurchase Agreements And Securities Borrowed Amount Offset Against Collateral ReverseRepurchaseAgreementsAndSecuritiesBorrowedAmountOffsetAgainstCollateral	0	USD
CY2018Q4	stt	Reverse Repurchase Agreements And Securities Borrowed Amount Offset Against Collateral ReverseRepurchaseAgreementsAndSecuritiesBorrowedAmountOffsetAgainstCollateral	1382000000	USD
CY2017Q4	stt	Reverse Repurchase Agreements And Securities Borrowed Asset ReverseRepurchaseAgreementsAndSecuritiesBorrowedAsset	47434000000	USD
CY2018Q4	stt	Reverse Repurchase Agreements And Securities Borrowed Asset ReverseRepurchaseAgreementsAndSecuritiesBorrowedAsset	91889000000	USD
CY2017Q4	stt	Reverse Repurchase Agreements And Securities Borrowed Collateral Obligation To Return Cash ReverseRepurchaseAgreementsAndSecuritiesBorrowedCollateralObligationToReturnCash	22645000000	USD
CY2018Q4	stt	Reverse Repurchase Agreements And Securities Borrowed Collateral Obligation To Return Cash ReverseRepurchaseAgreementsAndSecuritiesBorrowedCollateralObligationToReturnCash	22872000000	USD
CY2017Q4	stt	Reverse Repurchase Agreements And Securities Borrowed Fair Value Amount Not Offset Against Collateral ReverseRepurchaseAgreementsAndSecuritiesBorrowedFairValueAmountNotOffsetAgainstCollateral	22600000000	USD
CY2017Q4	stt	Reverse Repurchase Agreements And Securities Borrowed Fair Value Amount Not Offset Against Collateral ReverseRepurchaseAgreementsAndSecuritiesBorrowedFairValueAmountNotOffsetAgainstCollateral	22645000000	USD
CY2018Q4	stt	Reverse Repurchase Agreements And Securities Borrowed Fair Value Amount Not Offset Against Collateral ReverseRepurchaseAgreementsAndSecuritiesBorrowedFairValueAmountNotOffsetAgainstCollateral	24254000000	USD
CY2018Q4	stt	Reverse Repurchase Agreements And Securities Borrowed Fair Value Amount Not Offset Against Collateral ReverseRepurchaseAgreementsAndSecuritiesBorrowedFairValueAmountNotOffsetAgainstCollateral	24300000000	USD
CY2017Q4	stt	Reverse Repurchase Agreements And Securities Borrowed Liability ReverseRepurchaseAgreementsAndSecuritiesBorrowedLiability	47434000000	USD
CY2018Q4	stt	Reverse Repurchase Agreements And Securities Borrowed Liability ReverseRepurchaseAgreementsAndSecuritiesBorrowedLiability	91889000000	USD
CY2017Q4	stt	Reverse Repurchase Agreements And Securities Borrowing Fair Value Gross Asset ReverseRepurchaseAgreementsAndSecuritiesBorrowingFairValueGrossAsset	70079000000	USD
CY2018Q4	stt	Reverse Repurchase Agreements And Securities Borrowing Fair Value Gross Asset ReverseRepurchaseAgreementsAndSecuritiesBorrowingFairValueGrossAsset	116143000000	USD
CY2017Q4	stt	Reverse Repurchase Agreements And Securities Borrowing Fair Value Gross Liability ReverseRepurchaseAgreementsAndSecuritiesBorrowingFairValueGrossLiability	54127000000	USD
CY2018Q4	stt	Reverse Repurchase Agreements And Securities Borrowing Fair Value Gross Liability ReverseRepurchaseAgreementsAndSecuritiesBorrowingFairValueGrossLiability	104494000000	USD
CY2017Q4	stt	Securities Borrowed Subject To Master Netting Arrangements SecuritiesBorrowedSubjectToMasterNettingArrangements	19404000000	USD
CY2018Q4	stt	Securities Borrowed Subject To Master Netting Arrangements SecuritiesBorrowedSubjectToMasterNettingArrangements	19575000000	USD
CY2017Q4	stt	Securities Lending Fair Value Amount Not Offset Against Collateral SecuritiesLendingFairValueAmountNotOffsetAgainstCollateral	3900000000	USD
CY2018Q4	stt	Sharebased Compensation Arrangementby Sharebased Payment Award Numberof Shares Not Delivered Availablefor Reissue SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofSharesNotDeliveredAvailableforReissue	1000000	shares
CY2017Q4	stt	Stand By Letters Of Credit StandByLettersOfCredit	3158000000	USD
CY2018Q4	stt	Stand By Letters Of Credit StandByLettersOfCredit	2985000000	USD
CY2016	stt	Stock Options And Stock Awards StockOptionsAndStockAwards	4605000	shares
CY2017	stt	Stock Options And Stock Awards StockOptionsAndStockAwards	5420000	shares
CY2018	stt	Stock Options And Stock Awards StockOptionsAndStockAwards	4493000	shares
CY2017	stt	Tax Cutsand Jobs Actof2017 Changein Tax Rate Deferred Tax Asset Income Tax Expense Benefit TaxCutsandJobsActof2017ChangeinTaxRateDeferredTaxAssetIncomeTaxExpenseBenefit	197000000	USD
CY2017	stt	Tax Cutsand Jobs Actof2017 Incomplete Accounting Transition Taxfor Accumulated Foreign Earnings Provisional Income Tax Expense Benefit TaxCutsandJobsActof2017IncompleteAccountingTransitionTaxforAccumulatedForeignEarningsProvisionalIncomeTaxExpenseBenefit	454000000	USD
CY2018	stt	Tax Cutsand Jobs Actof2017 Incomplete Accounting Transition Taxfor Accumulated Foreign Earnings Provisional Income Tax Expense Benefit TaxCutsandJobsActof2017IncompleteAccountingTransitionTaxforAccumulatedForeignEarningsProvisionalIncomeTaxExpenseBenefit	32000000	USD
CY2017Q4	stt	Tier One Common Risk Based Capital Requiredfor Capital Adequacyto Risk Weighted Assets TierOneCommonRiskBasedCapitalRequiredforCapitalAdequacytoRiskWeightedAssets	0.065
CY2018Q4	stt	Tier One Common Risk Based Capital Requiredfor Capital Adequacyto Risk Weighted Assets TierOneCommonRiskBasedCapitalRequiredforCapitalAdequacytoRiskWeightedAssets	0.075
CY2017Q4	stt	Time Deposits Overdrafts TimeDepositsOverdrafts	3240000000	USD
CY2018Q4	stt	Time Deposits Overdrafts TimeDepositsOverdrafts	5440000000	USD
CY2016	stt	Total Average Assets TotalAverageAssets	229700000000	USD
CY2017	stt	Total Average Assets TotalAverageAssets	219400000000	USD
CY2018	stt	Total Average Assets TotalAverageAssets	223400000000	USD
CY2018Q4	stt	Total Standby Bond Purchase Agreement Committed To Trusts TotalStandbyBondPurchaseAgreementCommittedToTrusts	946000000	USD
CY2018	stt	Unfunded Commitments To Extend Credit Short Term UnfundedCommitmentsToExtendCreditShortTerm	0.73
CY2018	stt	Unfunded Commitmentto Extend Credit Term UnfundedCommitmenttoExtendCreditTerm	P1Y
CY2017Q4	stt	Unrealized Gains On Derivative Instruments UnrealizedGainsOnDerivativeInstruments	4013000000	USD
CY2018Q4	stt	Unrealized Gains On Derivative Instruments UnrealizedGainsOnDerivativeInstruments	5189000000	USD
CY2017Q4	stt	Variable Interest Entity Fair Value Of Collateralized Assets VariableInterestEntityFairValueOfCollateralizedAssets	1250000000	USD
CY2018Q4	stt	Variable Interest Entity Fair Value Of Collateralized Assets VariableInterestEntityFairValueOfCollateralizedAssets	1050000000	USD
CY2017	stt	Weighted Average Life Of Trusts WeightedAverageLifeOfTrusts	P4Y7M6D
CY2018	stt	Weighted Average Life Of Trusts WeightedAverageLifeOfTrusts	P3Y7M6D
CY2017Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	348000000	USD
CY2018Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	343000000	USD
CY2017Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	3099000000	USD
CY2018Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	3203000000	USD
CY2017Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	15620000000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	24232000000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	3881000000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	4152000000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-225000000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	148000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-193000000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	194000000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	170000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	143000000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-1875000000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-815000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-963000000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2040000000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1009000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1356000000	USD
CY2017Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	9799000000	USD
CY2018Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	10061000000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	13000000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	268000000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	243000000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	262000000	USD
CY2016	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	3000000	USD
CY2017	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	1000000	USD
CY2018	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2000000	USD
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	207000000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	214000000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	226000000	USD
CY2016	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2143000	shares
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	188000	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1011000	shares
CY2016Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	229000000	USD
CY2017Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	-56000000	USD
CY2018Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	-89000000	USD
CY2017Q4	us-gaap	Assets Assets	238392000000	USD
CY2018Q4	us-gaap	Assets Assets	244596000000	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	437000000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	107000000	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	268000000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	318000000	USD
CY2017Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	56952000000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	45359000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	7778000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	16923000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	14703000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	5744000000	USD
CY2017Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	57121000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	45148000000	USD
CY2017Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	3242000000	USD
CY2018Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	3323000000	USD
CY2017Q4	us-gaap	Capital Lease Obligations CapitalLeaseObligations	159000000	USD
CY2018Q4	us-gaap	Capital Lease Obligations CapitalLeaseObligations	102000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	151000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	34000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	24000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	31000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	31000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	31000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	0	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	31000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	120000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Sublease Rentals CapitalLeasesFutureMinimumSubleaseRentals	46000000	USD
CY2017Q4	us-gaap	Capital Leases Net Investment In Direct Financing Leases Accumulated Amortization CapitalLeasesNetInvestmentInDirectFinancingLeasesAccumulatedAmortization	401000000	USD
CY2018Q4	us-gaap	Capital Leases Net Investment In Direct Financing Leases Accumulated Amortization CapitalLeasesNetInvestmentInDirectFinancingLeasesAccumulatedAmortization	352000000	USD
CY2017Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.10
CY2018Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.11
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	107000000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	793000000	USD
CY2018	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	1490000000	USD
CY2015Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	1207000000	USD
CY2016Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	1314000000	USD
CY2017Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	2107000000	USD
CY2018Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	3597000000	USD
CY2017Q4	us-gaap	Cash Collateral For Borrowed Securities CashCollateralForBorrowedSecurities	19400000000	USD
CY2017Q4	us-gaap	Cash Collateral For Borrowed Securities CashCollateralForBorrowedSecurities	19400000000	USD
CY2018Q4	us-gaap	Cash Collateral For Borrowed Securities CashCollateralForBorrowedSecurities	19600000000	USD
CY2018Q4	us-gaap	Cash Collateral For Borrowed Securities CashCollateralForBorrowedSecurities	19580000000	USD
CY2016	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	160000000	USD
CY2017	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	645000000	USD
CY2018	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	-429000000	USD
CY2016	us-gaap	Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge1 ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1	-155000000	USD
CY2017	us-gaap	Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge1 ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1	-642000000	USD
CY2018	us-gaap	Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge1 ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1	419000000	USD
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2016	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.44
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.6
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.60
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.78
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	750000000	shares
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	750000000	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	503879642	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	503879642	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	367649858	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	379946724	shares
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	504000000	USD
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	504000000	USD
CY2016	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	1105000000	USD
CY2017	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	1167000000	USD
CY2018	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	1324000000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1540000000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	3187000000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2246000000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	69000000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	343000000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	122000000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	320000000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	380000000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	374000000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	423000000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	747000000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	644000000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	34000000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	24000000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	148000000	USD
CY2017Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	6391000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	6886000000	USD
CY2017Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	137000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	208000000	USD
CY2017Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	18094000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	17740000000	USD
CY2017Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	131000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	110000000	USD
CY2016	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	15000000	USD
CY2017	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	74000000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	205000000	USD
CY2016	us-gaap	Debt Securities Available For Sale Realized Gain Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment	10000000	USD
CY2017	us-gaap	Debt Securities Available For Sale Realized Gain Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment	-39000000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain Loss Excluding Other Than Temporary Impairment DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment	9000000	USD
CY2016	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	5000000	USD
CY2017	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	113000000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	196000000	USD
CY2017	us-gaap	Debt Securities Available For Sale Unrealized Gain Loss DebtSecuritiesAvailableForSaleUnrealizedGainLoss	2800000	USD
CY2018	us-gaap	Debt Securities Available For Sale Unrealized Gain Loss DebtSecuritiesAvailableForSaleUnrealizedGainLoss	53000000	USD
CY2017Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	24485000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	24626000000	USD
CY2017Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	268000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	318000000	USD
CY2018Q4	us-gaap	Decrease In Unrecognized Tax Benefits Is Reasonably Possible DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	25000000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-309000000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	45000000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-128000000	USD
CY2016	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-85000000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-19000000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	14000000	USD
CY2017Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	113000000	USD
CY2018Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	113000000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-356000000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	92000000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-136000000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1117000000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	984000000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	38000000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	66000000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-22000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	767000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	968000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	679000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	830000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	27000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	0	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	231000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	274000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	82000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	55000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	159000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	134000000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	88000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	138000000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	172000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Investments DeferredTaxLiabilitiesInvestments	229000000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	184000000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	0	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	0	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	11000000	USD
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CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	146000000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	170000000	USD
CY2017Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	473000000	USD
CY2018Q4	us-gaap	Deposit Liabilities Collateral Issued Financial Instruments DepositLiabilitiesCollateralIssuedFinancialInstruments	1354000000	USD
CY2017Q4	us-gaap	Deposits Deposits	184896000000	USD
CY2018Q4	us-gaap	Deposits Deposits	180360000000	USD
CY2017Q4	us-gaap	Deposits With Clearing Organizations And Others Securities DepositsWithClearingOrganizationsAndOthersSecurities	120000000	USD
CY2018Q4	us-gaap	Deposits With Clearing Organizations And Others Securities DepositsWithClearingOrganizationsAndOthersSecurities	58000000	USD
CY2016	us-gaap	Depreciation Depreciation	472000000	USD
CY2017	us-gaap	Depreciation Depreciation	526000000	USD
CY2018	us-gaap	Depreciation Depreciation	599000000	USD
CY2017Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	7593000000	USD
CY2018Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	11210000000	USD
CY2017Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Amount Offset Against Collateral DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedAmountOffsetAgainstCollateral	3889000000	USD
CY2018Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Amount Offset Against Collateral DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedAmountOffsetAgainstCollateral	6351000000	USD
CY2017Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Cash DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnCash	22769000000	USD
CY2018Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Cash DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnCash	23092000000	USD
CY2017Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Gross DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedGross	81685000000	USD
CY2018Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Gross DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedGross	132542000000	USD
CY2017Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability	55027000000	USD
CY2018Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability	103099000000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	11606000000	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	16399000000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	4013000000	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	5189000000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	3889000000	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	4969000000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	11852000000	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	16807000000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	5882000000	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	5243000000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	5432000000	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	5028000000	USD
CY2017Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	5970000000	USD
CY2018Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	11564000000	USD
CY2017Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral	7826000000	USD
CY2018Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Amount Offset Against Collateral DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral	6090000000	USD
CY2017Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Asset DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset	53404000000	USD
CY2018Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Asset DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset	103453000000	USD
CY2017Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Cash DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash	4749000000	USD
CY2018Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Collateral Right To Reclaim Cash DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimCash	11758000000	USD
CY2017Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Gross DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	65979000000	USD
CY2018Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Gross DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross	121301000000	USD
CY2016	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	559000000	USD
CY2017	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	596000000	USD
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	665000000	USD
CY2016	us-gaap	Dividends Preferred Stock DividendsPreferredStock	173000000	USD
CY2017	us-gaap	Dividends Preferred Stock DividendsPreferredStock	182000000	USD
CY2018	us-gaap	Dividends Preferred Stock DividendsPreferredStock	188000000	USD
CY2016	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	173000000	USD
CY2017	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	182000000	USD
CY2018	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	188000000	USD
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.01
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.26
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.46
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.96
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.19
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.39
CY2016	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.030
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.279
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.163
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Deductions Extraterritorial Income Exclusion EffectiveIncomeTaxRateReconciliationDeductionsExtraterritorialIncomeExclusion	0.065
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Deductions Extraterritorial Income Exclusion EffectiveIncomeTaxRateReconciliationDeductionsExtraterritorialIncomeExclusion	0.007
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Deductions Extraterritorial Income Exclusion EffectiveIncomeTaxRateReconciliationDeductionsExtraterritorialIncomeExclusion	0.000
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.074
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.072
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.006
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.010
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.016
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.004
CY2016	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.021
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.020
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.031
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.105
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.037
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.041
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.059
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.043
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.020
CY2017Q4	us-gaap	Equity Method Investments EquityMethodInvestments	2226000000	USD
CY2018Q4	us-gaap	Equity Method Investments EquityMethodInvestments	2882000000	USD
CY2016	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	13000000	USD
CY2017	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
CY2018	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-3000000	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	1000000	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	1776000000	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	350000000	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	605000000	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	372000000	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	409000000	USD
CY2016Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1345000000	USD
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	2127000000	USD
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1288000000	USD
CY2017Q4	us-gaap	Fair Value Of Securities Received As Collateral That Can Be Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged	2470000000	USD
CY2018Q4	us-gaap	Fair Value Of Securities Received As Collateral That Can Be Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged	11690000000	USD
CY2017Q4	us-gaap	Fair Value Of Securities Received As Collateral That Have Been Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged	15000000	USD
CY2018Q4	us-gaap	Fair Value Of Securities Received As Collateral That Have Been Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged	5310000000	USD
CY2015Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	46000000	USD
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	53000000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	54000000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	67000000	USD
CY2017	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	loan
CY2018	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	loan
CY2017Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	1884000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	2061000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	245000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	232000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	233000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	236000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	243000000	USD
CY2017	us-gaap	Finite Lived Intangible Assets Foreign Currency Translation Gain Loss FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss	72000000	USD
CY2018	us-gaap	Finite Lived Intangible Assets Foreign Currency Translation Gain Loss FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss	-25000000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	3497000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	4430000000	USD
CY2016Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1750000000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1613000000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	2369000000	USD
CY2017	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	16000000	USD
CY2018	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	1007000000	USD
CY2016	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	800000000	USD
CY2017	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	838000000	USD
CY2018	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	985000000	USD
CY2016	us-gaap	General Insurance Expense GeneralInsuranceExpense	93000000	USD
CY2017	us-gaap	General Insurance Expense GeneralInsuranceExpense	118000000	USD
CY2018	us-gaap	General Insurance Expense GeneralInsuranceExpense	97000000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	5814000000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	6022000000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	7446000000	USD
CY2017	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	17000000	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	1512000000	USD
CY2017	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	200000000	USD
CY2018	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	-88000000	USD
CY2017	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	9000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	40458000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	41914000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	186000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	175000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	389000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	738000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	239000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	583000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	389000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	738000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	31037000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	33218000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	150000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	155000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	21664000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	9461000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	9373000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	23757000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	1998000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	11892000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	23378000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	4646000000	USD
CY2017Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	40255000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	41351000000	USD
CY2016	us-gaap	Impairment Of Investments ImpairmentOfInvestments	3000000	USD
CY2017	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2018	us-gaap	Impairment Of Investments ImpairmentOfInvestments	3000000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2204000000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2995000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	3101000000	USD
CY2016Q4	us-gaap	Income Tax Examination Interest Accrued IncomeTaxExaminationInterestAccrued	5000000	USD
CY2017Q4	us-gaap	Income Tax Examination Interest Accrued IncomeTaxExaminationInterestAccrued	8000000	USD
CY2018Q4	us-gaap	Income Tax Examination Interest Accrued IncomeTaxExaminationInterestAccrued	8000000	USD
CY2017	us-gaap	Income Tax Examination Interest Expense IncomeTaxExaminationInterestExpense	3000000	USD
CY2018	us-gaap	Income Tax Examination Interest Expense IncomeTaxExaminationInterestExpense	1000000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	67000000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	839000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	508000000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	371000000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	345000000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	549000000	USD
CY2017Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	97000000	USD
CY2018Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	129000000	USD
CY2016	us-gaap	Increase Decrease In Cash Collateral For Loaned Securities IncreaseDecreaseInCashCollateralForLoanedSecurities	-18000000	USD
CY2017	us-gaap	Increase Decrease In Cash Collateral For Loaned Securities IncreaseDecreaseInCashCollateralForLoanedSecurities	1819000000	USD
CY2018	us-gaap	Increase Decrease In Cash Collateral For Loaned Securities IncreaseDecreaseInCashCollateralForLoanedSecurities	7326000000	USD
CY2016	us-gaap	Increase Decrease In Other Deposits IncreaseDecreaseInOtherDeposits	-12952000000	USD
CY2017	us-gaap	Increase Decrease In Other Deposits IncreaseDecreaseInOtherDeposits	13040000000	USD
CY2018	us-gaap	Increase Decrease In Other Deposits IncreaseDecreaseInOtherDeposits	-11209000000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1772000000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1341000000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-260000000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1144000000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	33000000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	394000000	USD
CY2016	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	298000000	USD
CY2017	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	455000000	USD
CY2018	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	-26000000	USD
CY2016	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	8488000000	USD
CY2017	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-15306000000	USD
CY2018	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	6673000000	USD
CY2016	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	175000000	USD
CY2017	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	69000000	USD
CY2018	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	-233000000	USD
CY2016	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	2512000000	USD
CY2017	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	2908000000	USD
CY2018	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	3662000000	USD
CY2016	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	378000000	USD
CY2017	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	504000000	USD
CY2018	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	687000000	USD
CY2017Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	50139000000	USD
CY2018Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	66235000000	USD
CY2017Q4	us-gaap	Interest Bearing Deposit Liabilities Foreign InterestBearingDepositLiabilitiesForeign	87582000000	USD
CY2018Q4	us-gaap	Interest Bearing Deposit Liabilities Foreign InterestBearingDepositLiabilitiesForeign	69321000000	USD
CY2017Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	67227000000	USD
CY2018Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	73040000000	USD
CY2016	us-gaap	Interest Expense InterestExpense	428000000	USD
CY2017	us-gaap	Interest Expense InterestExpense	604000000	USD
CY2018	us-gaap	Interest Expense InterestExpense	991000000	USD
CY2016	us-gaap	Interest Expense Deposits InterestExpenseDeposits	85000000	USD
CY2017	us-gaap	Interest Expense Deposits InterestExpenseDeposits	163000000	USD
CY2018	us-gaap	Interest Expense Deposits InterestExpenseDeposits	363000000	USD
CY2016	us-gaap	Interest Expense Lessee Assets Under Capital Lease InterestExpenseLesseeAssetsUnderCapitalLease	22000000	USD
CY2017	us-gaap	Interest Expense Lessee Assets Under Capital Lease InterestExpenseLesseeAssetsUnderCapitalLease	20000000	USD
CY2018	us-gaap	Interest Expense Lessee Assets Under Capital Lease InterestExpenseLesseeAssetsUnderCapitalLease	17000000	USD
CY2016	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	260000000	USD
CY2017	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	308000000	USD
CY2018	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	389000000	USD
CY2016	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	1000000	USD
CY2017	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	2000000	USD
CY2018	us-gaap	Interest Expense Securities Sold Under Agreements To Repurchase InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase	13000000	USD
CY2016	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	7000000	USD
CY2017	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	10000000	USD
CY2018	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	17000000	USD
CY2016	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	126000000	USD
CY2017	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	180000000	USD
CY2018	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	387000000	USD
CY2016	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	2084000000	USD
CY2017	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	2304000000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	2671000000	USD
CY2016	us-gaap	Interest Income Operating InterestIncomeOperating	2512000000	USD
CY2017	us-gaap	Interest Income Operating InterestIncomeOperating	2908000000	USD
CY2018	us-gaap	Interest Income Operating InterestIncomeOperating	3662000000	USD
CY2016	us-gaap	Interest Income Securities Purchased Under Agreements To Resell InterestIncomeSecuritiesPurchasedUnderAgreementsToResell	146000000	USD
CY2017	us-gaap	Interest Income Securities Purchased Under Agreements To Resell InterestIncomeSecuritiesPurchasedUnderAgreementsToResell	264000000	USD
CY2018	us-gaap	Interest Income Securities Purchased Under Agreements To Resell InterestIncomeSecuritiesPurchasedUnderAgreementsToResell	335000000	USD
CY2016	us-gaap	Interest Income Securities State And Municipal InterestIncomeSecuritiesStateAndMunicipal	224000000	USD
CY2017	us-gaap	Interest Income Securities State And Municipal InterestIncomeSecuritiesStateAndMunicipal	226000000	USD
CY2018	us-gaap	Interest Income Securities State And Municipal InterestIncomeSecuritiesStateAndMunicipal	143000000	USD
CY2016	us-gaap	Interest Income Securities Us Treasury And Other Us Government InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment	821000000	USD
CY2017	us-gaap	Interest Income Securities Us Treasury And Other Us Government InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment	854000000	USD
CY2018	us-gaap	Interest Income Securities Us Treasury And Other Us Government InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment	1178000000	USD
CY2016	us-gaap	Interest Paid Net InterestPaidNet	441000000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	593000000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	981000000	USD
CY2016	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4353000000	USD
CY2017	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4394000000	USD
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	4780000000	USD
CY2016	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	52000000	USD
CY2017	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	67000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	48000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-4496000000	USD
CY2018	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	115000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-6413000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-6188000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-4471000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	4230000000	USD
CY2017Q4	us-gaap	Leveraged Leases Balance Sheet Investment In Leveraged Leases LeveragedLeasesBalanceSheetInvestmentInLeveragedLeases	479000000	USD
CY2018Q4	us-gaap	Leveraged Leases Balance Sheet Investment In Leveraged Leases LeveragedLeasesBalanceSheetInvestmentInLeveragedLeases	0	USD
CY2017Q4	us-gaap	Liabilities Liabilities	216122000000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	219859000000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	238392000000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	244596000000	USD
CY2017Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2018Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2018Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	1030000000	USD
CY2018Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	1400000000	CAD
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	54000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	67000000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	23294000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	25789000000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	23240000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	25722000000	USD
CY2017Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	1900000000	USD
CY2018Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	6500000000	USD
CY2017Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	11620000000	USD
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	11093000000	USD
CY2018Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	38000000	USD
CY2018Q4	us-gaap	Loss Contingency Estimate Of Possible Loss LossContingencyEstimateOfPossibleLoss	300000000	USD
CY2016	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	7000000	USD
CY2017	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	-39000000	USD
CY2018	us-gaap	Marketable Securities Gain Loss MarketableSecuritiesGainLoss	6000000	USD
CY2016	us-gaap	Marketable Securities Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments	-2000000	USD
CY2017	us-gaap	Marketable Securities Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments	0	USD
CY2018	us-gaap	Marketable Securities Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments	-3000000	USD
CY2018	us-gaap	Marketable Securities Unrealized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments	1056000000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	2138000000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	2156000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	2593000000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	6933000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	10457000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2290000000	USD
CY2016	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-1000000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1963000000	USD
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1972000000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2404000000	USD
CY2017Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	47175000000	USD
CY2018Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	44804000000	USD
CY2016	us-gaap	Noninterest Expense NoninterestExpense	8077000000	USD
CY2017	us-gaap	Noninterest Expense NoninterestExpense	8269000000	USD
CY2018	us-gaap	Noninterest Expense NoninterestExpense	9015000000	USD
CY2016	us-gaap	Noninterest Income NoninterestIncome	8200000000	USD
CY2017	us-gaap	Noninterest Income NoninterestIncome	9001000000	USD
CY2018	us-gaap	Noninterest Income NoninterestIncome	9454000000	USD
CY2018	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2016	us-gaap	Occupancy Net OccupancyNet	440000000	USD
CY2017	us-gaap	Occupancy Net OccupancyNet	461000000	USD
CY2018	us-gaap	Occupancy Net OccupancyNet	500000000	USD
CY2017	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	1029000000	USD
CY2018	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-379000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	1198000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	192000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	128000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	147000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	170000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	181000000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	380000000	USD
CY2016	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	4000000	USD
CY2017	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	5000000	USD
CY2018	us-gaap	Operating Leases Income Statement Sublease Revenue OperatingLeasesIncomeStatementSubleaseRevenue	5000000	USD
CY2016	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	194000000	USD
CY2017	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	229000000	USD
CY2018	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	185000000	USD
CY2017Q4	us-gaap	Other Assets OtherAssets	30985000000	USD
CY2018Q4	us-gaap	Other Assets OtherAssets	34404000000	USD
CY2017Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	397000000	USD
CY2018Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	414000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-64000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-285000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-33000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-42000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-181000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-17000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-39000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-118000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-24000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	24000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	26000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	26000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-372000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	900000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-67000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-11000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	21000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-8000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Investment Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax	109000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Investment Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax	-160000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Investment Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax	81000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Investment Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationBeforeTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Investment Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationBeforeTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Investment Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossReclassificationBeforeTax	0	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-598000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1031000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-347000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1031000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-347000000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	11000000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-24000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-27000000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-181000000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	367000000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-302000000	USD
CY2016	us-gaap	Other Expenses OtherExpenses	963000000	USD
CY2017	us-gaap	Other Expenses OtherExpenses	929000000	USD
CY2018	us-gaap	Other Expenses OtherExpenses	1176000000	USD
CY2016	us-gaap	Other General Expense OtherGeneralExpense	245000000	USD
CY2017	us-gaap	Other General Expense OtherGeneralExpense	233000000	USD
CY2018	us-gaap	Other General Expense OtherGeneralExpense	443000000	USD
CY2016	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-506000000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-307000000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-400000000	USD
CY2017Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	1144000000	USD
CY2018Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	3092000000	USD
CY2016	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	2000000	USD
CY2017	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	0	USD
CY2018	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions No Previous Impairment OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment	3000000	USD
CY2015Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	105000000	USD
CY2016Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	79000000	USD
CY2017Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	77000000	USD
CY2018Q4	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld	78000000	USD
CY2016	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	28000000	USD
CY2017	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	2000000	USD
CY2018	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold	2000000	USD
CY2016	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	2000000	USD
CY2017	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	0	USD
CY2018	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	3000000	USD
CY2016	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	1000000	USD
CY2017	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	0	USD
CY2018	us-gaap	Other Than Temporary Impairment Losses Investments Portion In Other Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities	0	USD
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CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-102000000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-76000000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1365000000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1292000000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	350000000	USD
CY2016	us-gaap	Payments For Restructuring PaymentsForRestructuring	107000000	USD
CY2017	us-gaap	Payments For Restructuring PaymentsForRestructuring	100000000	USD
CY2018	us-gaap	Payments For Restructuring PaymentsForRestructuring	153000000	USD
CY2016	us-gaap	Payments Of Dividends PaymentsOfDividends	723000000	USD
CY2017	us-gaap	Payments Of Dividends PaymentsOfDividends	768000000	USD
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	828000000	USD
CY2016	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	30162000000	USD
CY2017	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	34841000000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	31814000000	USD
CY2016	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	437000000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	2595000000	USD
CY2016	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	8425000000	USD
CY2017	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	8772000000	USD
CY2018	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	6539000000	USD
CY2016	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	924000000	USD
CY2017	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	3511000000	USD
CY2018	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	2461000000	USD
CY2016	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	643000000	USD
CY2017	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	233000000	USD
CY2018	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	326000000	USD
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CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	609000000	USD
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CY2017	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	495000000	USD
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CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2186000000	USD
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CY2016	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	10000000	USD
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CY2017Q4	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	3200000000	USD
CY2017Q4	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	3241000000	USD
CY2018Q4	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	4679000000	USD
CY2018Q4	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	4700000000	USD
CY2017Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	2842000000	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	1082000000	USD
CY2018Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	88904000000	USD
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CY2017Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	39730000000	USD
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CY2017Q4	us-gaap	Trading Securities TradingSecurities	1093000000	USD
CY2018Q4	us-gaap	Trading Securities TradingSecurities	860000000	USD
CY2017Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	136229784	shares
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CY2018	us-gaap	Treasury Stock Value Acquired Par Value Method TreasuryStockValueAcquiredParValueMethod	350000000	USD
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CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	108000000	USD
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CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	7000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	26000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	12000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	14000000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	11000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	44000000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	2000000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	63000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	87000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	100000000	USD
CY2017Q4	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	26488000000	USD
CY2018Q4	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	28951000000	USD
CY2017Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets VariableInterestEntityConsolidatedCarryingAmountAssets	1080000000	USD
CY2018Q4	us-gaap	Variable Interest Entity Consolidated Carrying Amount Assets VariableInterestEntityConsolidatedCarryingAmountAssets	930000000	USD
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	396090000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	380213000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	376476000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	391485000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	374793000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	371983000	shares
CY2018	us-gaap	Loss Contingency Disclosures LossContingencyDisclosures	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;font-style:normal;font-weight:bold;text-decoration:none;"> </font><font style="font-family:Arial;font-size:10pt;font-style:normal;font-weight:bold;text-decoration:none;">Contingencies</font></div></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:4px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;color:#000000;font-style:italic;font-weight:bold;text-decoration:none;">Legal and Regulatory Matters</font></div><div style="line-height:120%;padding-top:4px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">In the ordinary course of business, we and our subsidiaries are involved in disputes, litigation, and governmental or regulatory inquiries and investigations, both pending and threatened. These matters, if resolved adversely against us or settled, may result in monetary awards or payments, fines and penalties or require changes in our business practices. The resolution or settlement of these matters is inherently difficult to predict. Based on our assessment of these pending matters, we do not believe that the amount of any judgment, settlement or other action arising from any pending matter is likely to have a material adverse effect on our consolidated financial condition. However, an adverse outcome or development in certain of the matters described below could have a material adverse effect on our consolidated results of operations for the period in which such matter is resolved, or an accrual is determined to be required, on our consolidated financial condition, or on our reputation. </font></div><div style="line-height:120%;padding-top:4px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">We evaluate our needs for accruals of loss contingencies related to legal and regulatory proceedings on a case-by-case basis. When we have a liability that we deem probable, and we deem the amount of such liability can be reasonably estimated as of the date of our consolidated financial statements, we accrue our estimate of the amount of loss. We also consider a loss probable and establish an accrual when we make, or intend to make, an offer of settlement. Once established, an accrual is subject to subsequent adjustment as a result of additional information. The resolution of legal and regulatory proceedings and the amount of reasonably estimable loss (or range thereof) are inherently difficult to predict, especially in the early stages of proceedings. Even if a loss is probable, an amount (or range) of loss might not be reasonably estimated until the later stages of the proceeding due to many factors such as the presence of complex or novel legal theories, the discretion of governmental authorities in seeking sanctions or negotiating resolutions in civil and criminal matters, the pace and timing of discovery and other assessments of facts and the procedural posture of the matter (collectively, "factors influencing reasonable estimates"). </font></div><div style="line-height:120%;padding-top:4px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">As of </font><font style="font-family:Arial;font-size:10pt;">December 31, 2018</font><font style="font-family:Arial;font-size:10pt;">, our aggregate accruals for loss contingencies for legal and regulatory matters totaled approximately </font><font style="font-family:Arial;font-size:10pt;">$38 million</font><font style="font-family:Arial;font-size:10pt;">. To the extent that we have established accruals in our consolidated statement of condition for probable loss contingencies, such accruals may not be sufficient to cover our ultimate financial exposure associated with any settlements or judgments. Any such ultimate financial exposure, or proceedings to which we may become subject in the future, could have a material adverse effect on our businesses, on our future consolidated financial statements or on our reputation. </font></div><div style="line-height:120%;padding-top:4px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">As of December 31, 2018, for those matters for which we have accrued probable loss contingencies (including the Invoicing Matter described below) and for other matters for which loss is reasonably possible (but not probable) in future periods, and for which we are able to estimate a range of reasonably possible loss, our estimate of the aggregate reasonably possible loss (in excess of any accrued amounts) ranges up to approximately </font><font style="font-family:Arial;font-size:10pt;">$300 million</font><font style="font-family:Arial;font-size:10pt;">. Our estimate with respect to the aggregate reasonably possible loss is based upon currently available information and is subject to significant judgment and a variety of assumptions and known and unknown uncertainties, which may change quickly and significantly from time to time, particularly if and as we engage with applicable governmental agencies or plaintiffs in connection with a proceeding. Also, the matters underlying the reasonably possible loss will change from time to time. As a result, actual results may vary significantly from the current estimate.</font></div><div style="line-height:120%;padding-top:4px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">In certain pending matters, it is not currently feasible to reasonably estimate the amount or a range of reasonably possible loss, and such losses, which may be significant, are not included in the estimate of reasonably possible loss discussed above. This is due to, among other factors, the factors influencing reasonable estimates described above. An adverse outcome in one or more of the matters for which we have not estimated the amount or a range of reasonably possible loss, individually or in the aggregate, could have a material adverse effect on our businesses, on our future consolidated financial statements or on our reputation. Given that our actual losses from any legal or regulatory proceeding for which we have provided an estimate of the reasonably possible loss could significantly exceed such estimate, and given that we cannot estimate reasonably possible loss for all legal and regulatory proceedings as to which we may be subject now or in the future, no conclusion as to our ultimate exposure from current pending or potential legal or regulatory proceedings should be drawn from the current estimate of reasonably possible loss. </font></div><div style="line-height:120%;padding-top:4px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">The following discussion provides information with respect to significant legal, governmental and regulatory matters. </font></div><div style="line-height:120%;padding-top:4px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:normal;text-decoration:none;">Invoicing Matter</font></div><div style="line-height:120%;padding-top:4px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">In 2015, we determined that we had incorrectly invoiced clients for certain expenses. We have reimbursed most of our affected customers for those expenses, and we have implemented enhancements to our billing processes. In connection with our enhancements to our billing processes, we continue to review historical billing practices and may from time to time identify additional remediation. In 2017, we identified an additional area of incorrect expense billing associated with mailing services in our retirement services business. The accrual for loss contingencies at December 31, 2018 included an estimate of the amount we anticipate reimbursing clients due to that error. We currently expect the cumulative total of our payments to customers for these invoicing errors, including the error in the retirement services business, to be at least </font><font style="font-family:Arial;font-size:10pt;">$380 million</font><font style="font-family:Arial;font-size:10pt;">, all of which has been paid or is accrued. However, we may identify additional remediation costs.</font></div><div style="line-height:120%;padding-top:4px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">In March 2017, a purported class action was commenced against us alleging that our invoicing practices violated duties owed to retirement plan customers under ERISA. In addition, we have received a purported class action demand letter alleging that our invoicing practices were unfair and deceptive under Massachusetts law. A class of customers, or particular customers, may assert that we have not paid to them all amounts incorrectly invoiced, and may seek double or treble damages under Massachusetts law. </font></div><div style="line-height:120%;padding-top:4px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">We are also cooperating with investigations by governmental and regulatory authorities on these matters, including the civil and criminal divisions of the DOJ, the SEC, the DOL and the Massachusetts Attorney General, which could result in significant fines or other sanctions, civil and criminal, against us. If these governmental or regulatory authorities were to conclude that all or a portion of the billing errors merited civil or criminal sanctions, any fine or other penalty could be a significant percentage, or a multiple of, the portion of the overcharging serving as the basis of such a claim or of the full amount overcharged. The governmental and regulatory authorities have significant discretion in civil and criminal matters as to the fines and other penalties they may seek to impose. The severity of such fines or other penalties could take into account factors such as the amount and duration of our incorrect invoicing, the government’s or regulator's assessment of the conduct of our employees, as well as prior conduct such as that which resulted in our January 2017 deferred prosecution agreement in connection with transition management services and our settlement of civil claims regarding our indirect foreign exchange business. The staff of the SEC has informed us that it intends to ask the SEC for permission to bring an action against us asserting that we overcharged clients that are registered investment companies for custody expenses in violation of §§ 31(a), 34(b) and 37 of the Investment Company Act of 1940, and Rules 31a-1(a) and 31a-1(b) thereunder. We have submitted to the staff of the SEC a response, which included a settlement proposal, which the staff has indicated is too low, and we remain in discussions with the staff as to a potential settlement. Our aggregate accruals for loss contingencies for legal and regulatory matters as of December 31, 2018 include the amount of penalties reflected in our settlement proposal. There can be no assurance that any settlement, whether with the SEC or other governmental authorities, will be reached or, if so, the amount of the settlement or its impact on other claims relating to these matters. In the first half of 2019, it is likely that discussions will commence with the DOJ regarding a potential resolution of their investigation regarding this matter, which will then enable us to better assess the potential penalties and/or other sanctions they will be seeking. The aggregate amount of penalties that may potentially be imposed upon us in connection with the resolution of all outstanding investigations into our historical billing practices could be multiples of the potential penalties being discussed with the staff of the SEC.</font></div><div style="line-height:120%;padding-top:4px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">The outcome of any of these proceedings and, in particular, any criminal sanction could materially adversely affect our results of operations and could have significant collateral consequences for our business and reputation. </font></div><div style="line-height:120%;padding-top:6px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:normal;text-decoration:none;">Federal Reserve/Massachusetts Division of Banks Written Agreement</font></div><div style="line-height:120%;padding-top:4px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">On June 1, 2015, we entered into a written agreement with the Federal Reserve and the Massachusetts Division of Banks relating to deficiencies identified in our compliance programs with the requirements of the Bank Secrecy Act, AML regulations and U.S. economic sanctions regulations promulgated by OFAC. As part of this enforcement action, we have been required to, among other things, implement improvements to our compliance programs. If we fail to comply with the terms of the written agreement, we may become subject to fines and other regulatory sanctions, which may have a material adverse effect on us.</font></div><div style="line-height:120%;padding-top:4px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;font-style:italic;font-weight:normal;text-decoration:none;">Shareholder Litigation</font></div><div style="line-height:120%;padding-top:4px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">A shareholder of ours has filed a purported class action complaint against the Company alleging that the Company’s financial statements in its annual reports for the 2011-2014 period were misleading due to the inclusion of revenues associated with the invoicing matter referenced above and the facts surrounding our 2017 settlements with the U.S. government relating to our transition management business. The Court has preliminarily approved a class settlement in this matter for </font><font style="font-family:Arial;font-size:10pt;">$4.9 million</font><font style="font-family:Arial;font-size:10pt;">. The final fairness hearing is scheduled to take place in April 2019. In addition, a shareholder of ours has filed a derivative complaint against the Company's past and present officers and directors to recover alleged losses incurred by the Company relating to the invoicing matter and to our Ohio public retirement plans matter.</font></div></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:4px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;color:#000000;font-style:italic;font-weight:bold;text-decoration:none;">Income Taxes</font></div><div style="line-height:120%;padding-top:4px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">In determining our provision for income taxes, we make certain judgments and interpretations with respect to tax laws in jurisdictions in which we have business operations. Because of the complex nature of these laws, in the normal course of our business, we are subject to challenges from U.S. and non-U.S. income tax authorities regarding the amount of income taxes due. These challenges may result in adjustments to the timing or amount of taxable income or deductions or the allocation of taxable income among tax jurisdictions. We recognize a tax benefit when it is more likely than not that our position will result in a tax deduction or credit. Unrecognized tax benefits of approximately </font><font style="font-family:Arial;font-size:10pt;">$108 million</font><font style="font-family:Arial;font-size:10pt;"> as of </font><font style="font-family:Arial;font-size:10pt;">December 31, 2018</font><font style="font-family:Arial;font-size:10pt;"> increased from </font><font style="font-family:Arial;font-size:10pt;">$94 million</font><font style="font-family:Arial;font-size:10pt;"> as of </font><font style="font-family:Arial;font-size:10pt;">December 31, 2017</font><font style="font-family:Arial;font-size:10pt;">. </font></div><div style="line-height:120%;padding-top:4px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">We are presently under audit by a number of tax authorities, and the Internal Revenue Service is currently reviewing our U.S. income tax returns for the tax years 2014 and 2015. The earliest tax year open to examination in jurisdictions where we have material operations is 2012. Management believes that we have sufficiently accrued liabilities as of </font><font style="font-family:Arial;font-size:10pt;">December 31, 2018</font><font style="font-family:Arial;font-size:10pt;"> for potential tax exposures.</font></div></div>
CY2018	us-gaap	Schedule Of Repurchase Agreements ScheduleOfRepurchaseAgreements	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:4px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">The following table summarizes the aggregate fair values of indemnified securities financing and related collateral, as well as collateral invested in indemnified repurchase agreements, as of the dates indicated:</font></div><div style="line-height:120%;text-align:justify;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="8" rowspan="1"></td></tr><tr><td style="width:50%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:22%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:2%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td><td style="width:22%;" rowspan="1" colspan="1"></td><td style="width:1%;" rowspan="1" colspan="1"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;font-weight:bold;">(In millions)</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="text-align:center;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;font-weight:bold;">December 31, 2018</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="text-align:center;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;font-weight:bold;">December 31, 2017</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;">Fair value of indemnified securities financing</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;font-weight:bold;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;font-weight:bold;">342,337</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:right;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;">381,817</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;">Fair value of cash and securities held by us, as agent, as collateral for indemnified securities financing</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;font-weight:bold;">357,893</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;">400,828</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;">Fair value of collateral for indemnified securities financing invested in indemnified repurchase agreements</font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;font-weight:bold;">42,610</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;">61,270</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;">Fair value of cash and securities held by us or our agents as collateral for investments in indemnified repurchase agreements</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;font-weight:bold;">45,064</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:7.5pt;"><font style="font-family:Arial;font-size:7.5pt;">65,272</font></div></td><td style="vertical-align:bottom;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr></table></div></div></div>
CY2018	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:4px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;color:#000000;font-style:italic;font-weight:bold;text-decoration:none;">Use of Estimates</font></div><div style="line-height:120%;padding-top:4px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions in the application of certain of our significant accounting policies that may materially affect the reported amounts of assets, liabilities, equity, revenue and expenses. As a result of unanticipated events or circumstances, actual results could differ from those estimates.</font></div></div>

Files In Submission

Name	View Source	Status
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0000093751-19-000390-index.html	Edgar Link	pending
0000093751-19-000390.txt	Edgar Link	pending
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exhibit231pla1002preflet.htm	Edgar Link	pending
exhibit231pla1002preflet001.jpg	Edgar Link	pending
exhibit9912018form10-kitem1.htm	Edgar Link	pending
exhibit9922018form10-kitem.htm	Edgar Link	pending
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Financial_Report.xlsx	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending
stt-20190501.xml	Edgar Link	completed
stt-20190501.xsd	Edgar Link	pending
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stt-20190501_def.xml	Edgar Link	unprocessable
stt-20190501_lab.xml	Edgar Link	unprocessable
stt-20190501_pre.xml	Edgar Link	unprocessable

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$STT
STATE STREET CORP Stock $stt

2018 Form 8-K Financial Statement

#000009375119000390 Filed on May 02, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$STT STATE STREET CORP Stock $stt

2018 Form 8-K Financial Statement

#000009375119000390 Filed on May 02, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$STT
STATE STREET CORP Stock $stt