$WFC
WELLS FARGO & COMPANY/MN Stock $wfc

$wfc Overview Financials Valuation SEC Filings Company Website

2017 Q4 Form 10-Q Financial Statement

#000007297117000466 Filed on November 03, 2017

Income Statement

Concept	2017 Q4	2017 Q3	2016 Q3
Revenue		$21.85B	$13.49B
YoY Change		62.0%	8.37%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.612B	$1.316B	$1.365B
YoY Change	17.49%	-3.59%	62.89%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$2.595B	$1.535B
YoY Change		69.06%	55.36%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$4.599B	$6.781B	$8.255B
YoY Change	-39.18%	-17.86%	-5.9%
Income Tax	$775.0M	$2.181B	$2.601B
% Of Pretax Income	16.85%	32.16%	31.51%
Net Earnings	$6.151B	$4.542B	$5.644B
YoY Change	16.63%	-19.53%	-2.62%
Net Earnings / Revenue		20.79%	41.85%
Basic Earnings Per Share		$0.83	$1.04
Diluted Earnings Per Share	$1.239M	$0.83	$1.03
COMMON SHARES
Basic Shares Outstanding	4.924B shares	4.949B shares	5.043B shares
Diluted Shares Outstanding		4.997B shares	5.095B shares

Balance Sheet

Concept	2017 Q4	2017 Q3	2016 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$215.9B	$224.9B
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$8.847B	$8.449B	$8.322B
YoY Change	6.17%	1.53%	-5.43%
Goodwill	$26.59B	$26.58B	$26.69B
YoY Change	-0.4%	-0.4%	3.91%
Intangibles
YoY Change
Long-Term Investments	$16.35B	$15.89B	$14.81B
YoY Change	4.1%	7.25%	15.74%
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$1952B	$1935B	$1942B
YoY Change	1.12%	-0.37%	10.9%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$70.62B	$79.21B	$82.77B
YoY Change	23.48%	-4.3%	1.31%
Deferred Revenue
YoY Change
Short-Term Debt	$103.3B	$93.81B	$124.7B
YoY Change	6.69%	-24.75%	41.56%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$70.62B	$79.21B	$82.77B
YoY Change	23.48%	-4.3%	1.31%
LONG-TERM LIABILITIES
Long-Term Debt	$225.0B	$238.9B	$254.8B
YoY Change	-11.78%	-6.26%	37.54%
Other Long-Term Liabilities	$8.796B	$9.497B
YoY Change	-39.3%
Total Long-Term Liabilities	$233.8B	$248.4B	$254.8B
YoY Change	-13.26%	-2.53%	37.54%
TOTAL LIABILITIES
Total Short-Term Liabilities	$70.62B	$79.21B	$82.77B
Total Long-Term Liabilities	$233.8B	$248.4B	$254.8B
Total Liabilities	$1744B	$1728B	$1738B
YoY Change	0.81%	-0.58%	11.62%
SHAREHOLDERS EQUITY
Retained Earnings	$145.3B	$141.8B	$130.3B
YoY Change	9.16%	8.81%	10.8%
Common Stock	$9.136B	$9.136B	$9.136B
YoY Change	0.0%	0.0%	0.0%
Preferred Stock	$122.0M	$130.0M	$130.0M
YoY Change	-3.17%	0.0%	1.56%
Treasury Stock (at cost)	$29.89B	$27.77B	$22.25B
YoY Change	31.61%	24.83%	24.29%
Treasury Stock Shares	590.2M shares	553.9M shares	457.9M shares
Shareholders Equity	$206.9B	$205.9B	$203.0B
YoY Change
Total Liabilities & Shareholders Equity	$1952B	$1935B	$1942B
YoY Change	1.12%	-0.37%	10.9%

Cashflow Statement

Concept	2017 Q4	2017 Q3	2016 Q3
OPERATING ACTIVITIES
Net Income	$6.151B	$4.542B	$5.644B
YoY Change	16.63%	-19.53%	-2.62%
Depreciation, Depletion And Amortization	$1.612B	$1.316B	$1.365B
YoY Change	17.49%	-3.59%	62.89%
Cash From Operating Activities	$275.0M	$9.532B	-$2.397B
YoY Change	-94.23%	-497.66%	-112.66%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	-$27.94B	$6.652B	-$39.68B
YoY Change	116.04%	-116.76%	-10.43%
Cash From Investing Activities	-$27.94B	$6.652B	-$39.68B
YoY Change	116.04%	-116.76%	-10.43%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	18.40B	-7.278B	40.96B
YoY Change	91.46%	-117.77%	77.49%
NET CHANGE
Cash From Operating Activities	275.0M	9.532B	-2.397B
Cash From Investing Activities	-27.94B	6.652B	-39.68B
Cash From Financing Activities	18.40B	-7.278B	40.96B
Net Change In Cash	-9.264B	8.906B	-1.120B
YoY Change	-742.44%	-895.18%	-51.13%
FREE CASH FLOW
Cash From Operating Activities	$275.0M	$9.532B	-$2.397B
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	wfc	Weighted Average Contractual Yield On Available For Sale Debt Securities WeightedAverageContractualYieldOnAvailableForSaleDebtSecurities	0.0372
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2017
	dei	Document Period End Date DocumentPeriodEndDate	2017-09-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0000072971
CY2017Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	4924261449	shares
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	WELLS FARGO & COMPANY/MN
	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
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CY2017Q3	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	79208000000	usd
CY2016Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	31056000000	usd
CY2017Q3	us-gaap	Accounts Receivable Net AccountsReceivableNet	38284000000	usd
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1813000000	usd
CY2016Q2	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2812000000	usd
CY2016Q3	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2753000000	usd
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1099000000	usd
CY2017Q2	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-96000000	usd
CY2017Q3	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	353000000	usd
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	620000000	usd
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CY2017Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1627000000	usd
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	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	1100000000	usd
CY2016Q3	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	1241000000	usd
	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	3940000000	usd
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	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	3457000000	usd
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	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	2615000000	usd
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	us-gaap	Allowance For Loan And Lease Losses Writeoffs Net AllowanceForLoanAndLeaseLossesWriteoffsNet	2177000000	usd
CY2016Q4	us-gaap	Alternative Investments Fair Value Disclosure AlternativeInvestmentsFairValueDisclosure	48000000	usd
CY2017Q3	us-gaap	Alternative Investments Fair Value Disclosure AlternativeInvestmentsFairValueDisclosure	27000000	usd
CY2016Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	299000000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	891000000	usd
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	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	864000000	usd
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	us-gaap	Ancillary Fee Income Generated By Servicing Financial Assets Amount AncillaryFeeIncomeGeneratedByServicingFinancialAssetsAmount	171000000	usd
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CY2017Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	217205000000	usd
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	6418000000	usd
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CY2016Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	307153000000	usd
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	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1215000000	usd
CY2017Q3	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	298000000	usd
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	859000000	usd
CY2016Q3	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	23000000	usd
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	67000000	usd
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	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	102000000	usd
CY2016Q4	us-gaap	Capital Lease Obligations CapitalLeaseObligations	7000000	usd
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	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-1523000000	usd
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CY2016Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	20729000000	usd
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CY2017Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	5079000000	usd
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CY2016Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	5481811474	shares
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CY2017Q3	us-gaap	Gain Loss On Fair Value Hedge Ineffectiveness Net GainLossOnFairValueHedgeIneffectivenessNet	115000000	usd
	us-gaap	Gain Loss On Fair Value Hedge Ineffectiveness Net GainLossOnFairValueHedgeIneffectivenessNet	-8000000	usd
CY2016Q3	us-gaap	Gain Loss On Sale Of Debt Investments GainLossOnSaleOfDebtInvestments	106000000	usd
	us-gaap	Gain Loss On Sale Of Debt Investments GainLossOnSaleOfDebtInvestments	797000000	usd
CY2017Q3	us-gaap	Gain Loss On Sale Of Debt Investments GainLossOnSaleOfDebtInvestments	166000000	usd
	us-gaap	Gain Loss On Sale Of Debt Investments GainLossOnSaleOfDebtInvestments	322000000	usd
CY2016Q3	us-gaap	Gain Loss On Securitization Of Financial Assets GainLossOnSecuritizationOfFinancialAssets	141000000	usd
	us-gaap	Gain Loss On Securitization Of Financial Assets GainLossOnSecuritizationOfFinancialAssets	436000000	usd
CY2017Q3	us-gaap	Gain Loss On Securitization Of Financial Assets GainLossOnSecuritizationOfFinancialAssets	91000000	usd
	us-gaap	Gain Loss On Securitization Of Financial Assets GainLossOnSecuritizationOfFinancialAssets	616000000	usd
CY2015Q4	us-gaap	Goodwill Goodwill	25529000000	usd
CY2016Q3	us-gaap	Goodwill Goodwill	26688000000	usd
CY2016Q4	us-gaap	Goodwill Goodwill	26693000000	usd
CY2017Q3	us-gaap	Goodwill Goodwill	26581000000	usd
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	1245000000	usd
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	24000000	usd
	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	86000000	usd
	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	20000000	usd
CY2016Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	71823000000	usd
CY2017Q3	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	76349000000	usd
CY2016Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	99583000000	usd
CY2017Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	142423000000	usd
CY2016Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	599000000	usd
CY2017Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	985000000	usd
CY2016Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	1027000000	usd
CY2017Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	590000000	usd
CY2016Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	2000000	usd
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	70000000	usd
CY2016Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	1027000000	usd
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	590000000	usd
CY2016Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	52216000000	usd
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	64486000000	usd
CY2016Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1025000000	usd
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	520000000	usd
CY2016Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	51317000000	usd
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	58489000000	usd
CY2016Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	899000000	usd
CY2017Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	5997000000	usd
CY2016Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	99155000000	usd
CY2017Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	142818000000	usd
CY2016Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	24024000000	usd
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	24279000000	usd
CY2017Q3	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	20252000000	usd
	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	21168000000	usd
CY2016Q3	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	223000000	usd
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	672000000	usd
CY2017Q3	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	201000000	usd
	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	633000000	usd
CY2016Q3	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	87000000	usd
	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	274000000	usd
CY2017Q3	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	64000000	usd
	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	219000000	usd
CY2016Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	22377000000	usd
CY2017Q3	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	19812000000	usd
CY2016Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	2593000000	usd
CY2017Q3	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	1969000000	usd
CY2016Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	26547000000	usd
CY2017Q3	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	23504000000	usd
CY2016Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	16604000000	usd
CY2017Q3	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	12489000000	usd
CY2016Q3	us-gaap	Income Loss From Affordable Housing Projects Equity Method Investments IncomeLossFromAffordableHousingProjectsEquityMethodInvestments	-199000000	usd
	us-gaap	Income Loss From Affordable Housing Projects Equity Method Investments IncomeLossFromAffordableHousingProjectsEquityMethodInvestments	-600000000	usd
CY2017Q3	us-gaap	Income Loss From Affordable Housing Projects Equity Method Investments IncomeLossFromAffordableHousingProjectsEquityMethodInvestments	-227000000	usd
	us-gaap	Income Loss From Affordable Housing Projects Equity Method Investments IncomeLossFromAffordableHousingProjectsEquityMethodInvestments	-684000000	usd
CY2016Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8255000000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	24558000000	usd
CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	6858000000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	22536000000	usd
CY2016Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	5654000000	usd
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	16741000000	usd
CY2017Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4654000000	usd
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	16050000000	usd
CY2016Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2601000000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7817000000	usd
CY2017Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2204000000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6486000000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	7158000000	usd
	us-gaap	Income Taxes Paid IncomeTaxesPaid	4687000000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	1617000000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-1748000000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	52582000000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	627000000	usd
	us-gaap	Increase Decrease In Derivative Assets And Liabilities IncreaseDecreaseInDerivativeAssetsAndLiabilities	836000000	usd
	us-gaap	Increase Decrease In Derivative Assets And Liabilities IncreaseDecreaseInDerivativeAssetsAndLiabilities	3777000000	usd
	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	1502000000	usd
	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	2375000000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	7895000000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-2115000000	usd
CY2016Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	14000000	usd
CY2017Q3	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	14000000	usd
CY2016Q3	us-gaap	Insurance Services Revenue InsuranceServicesRevenue	293000000	usd
	us-gaap	Insurance Services Revenue InsuranceServicesRevenue	1006000000	usd
CY2017Q3	us-gaap	Insurance Services Revenue InsuranceServicesRevenue	269000000	usd
	us-gaap	Insurance Services Revenue InsuranceServicesRevenue	826000000	usd
CY2016Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	13487000000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	39605000000	usd
CY2017Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	15058000000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	43999000000	usd
CY2016Q3	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	2298000000	usd
	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	6736000000	usd
CY2017Q3	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	2662000000	usd
	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	8035000000	usd
CY2016Q3	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	593000000	usd
	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	1761000000	usd
CY2017Q3	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	754000000	usd
	us-gaap	Interest And Dividend Income Securities Trading Or Measured At Fair Value InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue	2107000000	usd
CY2016Q3	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	9978000000	usd
	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	29377000000	usd
CY2017Q3	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	10522000000	usd
	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	31021000000	usd
CY2016Q3	us-gaap	Interest And Fee Income Loans Held For Sale Mortgages InterestAndFeeIncomeLoansHeldForSaleMortgages	207000000	usd
	us-gaap	Interest And Fee Income Loans Held For Sale Mortgages InterestAndFeeIncomeLoansHeldForSaleMortgages	549000000	usd
CY2017Q3	us-gaap	Interest And Fee Income Loans Held For Sale Mortgages InterestAndFeeIncomeLoansHeldForSaleMortgages	219000000	usd
	us-gaap	Interest And Fee Income Loans Held For Sale Mortgages InterestAndFeeIncomeLoansHeldForSaleMortgages	598000000	usd
CY2016Q3	us-gaap	Interest And Fee Income Nonmortgage Loans And Leases Held For Sale InterestAndFeeIncomeNonmortgageLoansAndLeasesHeldForSale	2000000	usd
	us-gaap	Interest And Fee Income Nonmortgage Loans And Leases Held For Sale InterestAndFeeIncomeNonmortgageLoansAndLeasesHeldForSale	7000000	usd
CY2017Q3	us-gaap	Interest And Fee Income Nonmortgage Loans And Leases Held For Sale InterestAndFeeIncomeNonmortgageLoansAndLeasesHeldForSale	5000000	usd
	us-gaap	Interest And Fee Income Nonmortgage Loans And Leases Held For Sale InterestAndFeeIncomeNonmortgageLoansAndLeasesHeldForSale	10000000	usd
CY2016Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	930112000000	usd
CY2017Q3	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	940178000000	usd
CY2016Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	200671000000	usd
CY2017Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	205648000000	usd
CY2016Q3	us-gaap	Interest Expense InterestExpense	1535000000	usd
	us-gaap	Interest Expense InterestExpense	4253000000	usd
CY2017Q3	us-gaap	Interest Expense InterestExpense	2582000000	usd
	us-gaap	Interest Expense InterestExpense	6740000000	usd
CY2016Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	356000000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	995000000	usd
CY2017Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	870000000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2090000000	usd
CY2016Q3	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	1006000000	usd
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	2769000000	usd
CY2017Q3	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	1377000000	usd
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	3838000000	usd
CY2016Q3	us-gaap	Interest Expense Other InterestExpenseOther	88000000	usd
	us-gaap	Interest Expense Other InterestExpenseOther	260000000	usd
CY2017Q3	us-gaap	Interest Expense Other InterestExpenseOther	109000000	usd
	us-gaap	Interest Expense Other InterestExpenseOther	309000000	usd
CY2016Q3	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	85000000	usd
	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	229000000	usd
CY2017Q3	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	226000000	usd
	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	503000000	usd
CY2016Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	11147000000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	32387000000	usd
CY2017Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	11759000000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	35382000000	usd
CY2016Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	11952000000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	35352000000	usd
CY2017Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	12476000000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	37259000000	usd
	us-gaap	Interest Paid Net InterestPaidNet	3920000000	usd
	us-gaap	Interest Paid Net InterestPaidNet	6514000000	usd
CY2016Q4	us-gaap	Interest Receivable InterestReceivable	5339000000	usd
CY2017Q3	us-gaap	Interest Receivable InterestReceivable	5579000000	usd
CY2016Q3	us-gaap	Late Fee Income Generated By Servicing Financial Assets Amount LateFeeIncomeGeneratedByServicingFinancialAssetsAmount	45000000	usd
	us-gaap	Late Fee Income Generated By Servicing Financial Assets Amount LateFeeIncomeGeneratedByServicingFinancialAssetsAmount	135000000	usd
CY2017Q3	us-gaap	Late Fee Income Generated By Servicing Financial Assets Amount LateFeeIncomeGeneratedByServicingFinancialAssetsAmount	41000000	usd
	us-gaap	Late Fee Income Generated By Servicing Financial Assets Amount LateFeeIncomeGeneratedByServicingFinancialAssetsAmount	133000000	usd
CY2016Q4	us-gaap	Liabilities Liabilities	1729618000000	usd
CY2017Q3	us-gaap	Liabilities Liabilities	1728115000000	usd
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1930115000000	usd
CY2017Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1934939000000	usd
CY2016Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	19325000000	usd
CY2017Q3	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	19479000000	usd
CY2016Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	11583000000	usd
CY2016Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	11419000000	usd
CY2017Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	11078000000	usd
CY2016Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	4400000000	usd
CY2017Q3	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	3700000000	usd
CY2016Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	403000000	usd
CY2017Q3	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	628000000	usd
CY2016Q3	us-gaap	Loans And Leases Receivable Impaired Interest Income Recognized Change In Present Value Attributable To Passage Of Time LoansAndLeasesReceivableImpairedInterestIncomeRecognizedChangeInPresentValueAttributableToPassageOfTime	54000000	usd
	us-gaap	Loans And Leases Receivable Impaired Interest Income Recognized Change In Present Value Attributable To Passage Of Time LoansAndLeasesReceivableImpairedInterestIncomeRecognizedChangeInPresentValueAttributableToPassageOfTime	153000000	usd
CY2017Q3	us-gaap	Loans And Leases Receivable Impaired Interest Income Recognized Change In Present Value Attributable To Passage Of Time LoansAndLeasesReceivableImpairedInterestIncomeRecognizedChangeInPresentValueAttributableToPassageOfTime	43000000	usd
	us-gaap	Loans And Leases Receivable Impaired Interest Income Recognized Change In Present Value Attributable To Passage Of Time LoansAndLeasesReceivableImpairedInterestIncomeRecognizedChangeInPresentValueAttributableToPassageOfTime	137000000	usd
CY2016Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	967604000000	usd
CY2017Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	951873000000	usd
CY2016Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	956185000000	usd
CY2017Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	940795000000	usd
CY2016Q4	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	516112000000	usd
CY2017Q3	us-gaap	Loans Pledged As Collateral LoansPledgedAsCollateral	480422000000	usd
CY2016Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	758000000	usd
CY2017Q3	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	410000000	usd
CY2016Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group Mortgage LoansReceivableHeldForSaleNetNotPartOfDisposalGroupMortgage	26309000000	usd
CY2017Q3	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group Mortgage LoansReceivableHeldForSaleNetNotPartOfDisposalGroupMortgage	20009000000	usd
CY2016Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group Other LoansReceivableHeldForSaleNetNotPartOfDisposalGroupOther	80000000	usd
CY2017Q3	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group Other LoansReceivableHeldForSaleNetNotPartOfDisposalGroupOther	157000000	usd
CY2016Q4	us-gaap	Long Term Debt LongTermDebt	255077000000	usd
CY2017Q3	us-gaap	Long Term Debt LongTermDebt	238893000000	usd
	us-gaap	Maximum Length Of Time Hedged In Cash Flow Hedge1 MaximumLengthOfTimeHedgedInCashFlowHedge1	P5Y
CY2016Q4	us-gaap	Minority Interest MinorityInterest	916000000	usd
CY2017Q3	us-gaap	Minority Interest MinorityInterest	895000000	usd
CY2016Q4	us-gaap	Mortgages Held For Sale Fair Value Disclosure MortgagesHeldForSaleFairValueDisclosure	22042000000	usd
CY2017Q3	us-gaap	Mortgages Held For Sale Fair Value Disclosure MortgagesHeldForSaleFairValueDisclosure	16484000000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	113182000000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-29317000000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-109188000000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	9314000000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	-3818000000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	18480000000	usd
	us-gaap	Net Credit Loss On Loans Managed Or Securitized Or Assetbacked Financing Arrangement NetCreditLossOnLoansManagedOrSecuritizedOrAssetbackedFinancingArrangement	974000000	usd
	us-gaap	Net Credit Loss On Loans Managed Or Securitized Or Assetbacked Financing Arrangement NetCreditLossOnLoansManagedOrSecuritizedOrAssetbackedFinancingArrangement	1264000000	usd
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	5644000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	16664000000	usd
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	4596000000	usd
	us-gaap	Net Income Loss NetIncomeLoss	15863000000	usd
CY2016Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	10000000	usd
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	77000000	usd
CY2017Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	58000000	usd
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	187000000	usd
CY2016Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	5243000000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	15501000000	usd
CY2017Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4185000000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	14645000000	usd
CY2016Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	375967000000	usd
CY2017Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	366528000000	usd
CY2016Q3	us-gaap	Noninterest Expense NoninterestExpense	13268000000	usd
	us-gaap	Noninterest Expense NoninterestExpense	39162000000	usd
CY2017Q3	us-gaap	Noninterest Expense NoninterestExpense	14351000000	usd
	us-gaap	Noninterest Expense NoninterestExpense	41684000000	usd
CY2016Q3	us-gaap	Noninterest Income NoninterestIncome	10376000000	usd
	us-gaap	Noninterest Income NoninterestIncome	31333000000	usd
CY2017Q3	us-gaap	Noninterest Income NoninterestIncome	9450000000	usd
	us-gaap	Noninterest Income NoninterestIncome	28838000000	usd
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CY2016Q3	us-gaap	Occupancy Net OccupancyNet	718000000	usd
	us-gaap	Occupancy Net OccupancyNet	2145000000	usd
CY2017Q3	us-gaap	Occupancy Net OccupancyNet	716000000	usd
	us-gaap	Occupancy Net OccupancyNet	2134000000	usd
CY2016Q3	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	534000000	usd
	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	1404000000	usd
CY2017Q3	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	475000000	usd
	us-gaap	Operating Leases Income Statement Lease Revenue OperatingLeasesIncomeStatementLeaseRevenue	1449000000	usd
CY2016Q4	us-gaap	Other Assets OtherAssets	114541000000	usd
CY2017Q3	us-gaap	Other Assets OtherAssets	116276000000	usd
CY2016Q4	us-gaap	Other Assets Fair Value Disclosure OtherAssetsFairValueDisclosure	3275000000	usd
CY2017Q3	us-gaap	Other Assets Fair Value Disclosure OtherAssetsFairValueDisclosure	4523000000	usd
CY2016Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	17469000000	usd
CY2017Q3	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	12352000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	19000000	usd
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	-25000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	-34000000	usd
	us-gaap	Other Comprehensive Income Availableforsale Securities Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	-31000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	0	usd
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	0	usd
CY2017Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	0	usd
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	0	usd
CY2016Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-279000000	usd
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-296000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	6000000	usd
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	2000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-168000000	usd
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-178000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	5000000	usd
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	2000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToNoncontrollingInterest	0	usd
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToNoncontrollingInterest	0	usd
CY2017Q3	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToNoncontrollingInterest	0	usd
	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToNoncontrollingInterest	0	usd
CY2016Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	0	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	1000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	0	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	2000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-11000000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	33000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	43000000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	93000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-10000000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	27000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	40000000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	87000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	1000000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	-6000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	-3000000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	-6000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-81000000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	1477000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	691000000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	2303000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-40000000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	915000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	415000000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1421000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-41000000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	562000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	276000000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	882000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-1206000000	usd
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	2973000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	714000000	usd
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	2333000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	-707000000	usd
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	1828000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	-69000000	usd
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	-181000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-440000000	usd
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	1139000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-42000000	usd
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-112000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-267000000	usd
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	689000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-27000000	usd
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-69000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-10000000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	27000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	40000000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	87000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-11000000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	33000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	43000000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	93000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	1000000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-6000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-3000000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-6000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-745000000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1863000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	449000000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1481000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	19000000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	-24000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	-34000000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	-29000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-764000000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1887000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	483000000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1510000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	408000000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	359000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-52000000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-124000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	254000000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	224000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-33000000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-79000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-447000000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-474000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	11000000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	4000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	154000000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	135000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-19000000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-45000000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	72000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	262000000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	783000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	105000000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	460000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	163000000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	488000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	65000000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	286000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	99000000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	295000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	40000000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	174000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-39000000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-109000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-37000000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-114000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-25000000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-68000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-24000000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-71000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-14000000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-41000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	-13000000	usd
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CY2016Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	25000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	27000000	usd
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CY2016Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-461000000	usd
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	1110000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	265000000	usd
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	852000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-445000000	usd
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CY2017Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	36000000	usd
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	279000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-277000000	usd
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CY2017Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	23000000	usd
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	174000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-168000000	usd
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	984000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	13000000	usd
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	105000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	112000000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	2478000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	891000000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	2825000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	80000000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1540000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	538000000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1750000000	usd
CY2016Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	32000000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	938000000	usd
CY2017Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	353000000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1075000000	usd
CY2016Q3	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	409000000	usd
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	1175000000	usd
CY2017Q3	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	896000000	usd
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	2228000000	usd
CY2016Q3	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	1223000000	usd
	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	3993000000	usd
CY2017Q3	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	1279000000	usd
	us-gaap	Other Labor Related Expenses OtherLaborRelatedExpenses	4273000000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	74000000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-659000000	usd
CY2016Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	3483000000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	9678000000	usd
CY2017Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	4322000000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	11072000000	usd
CY2016Q4	us-gaap	Other Short Term Investments OtherShortTermInvestments	7152000000	usd
CY2017Q3	us-gaap	Other Short Term Investments OtherShortTermInvestments	1301000000	usd
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	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	6082000000	usd
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CY2017Q3	us-gaap	Preferred Stock Value PreferredStockValue	25576000000	usd
CY2016Q4	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	24551000000	usd
CY2017Q3	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	25576000000	usd
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CY2016Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Loans Receivable Pledged As Collateral PledgedFinancialInstrumentsNotSeparatelyReportedLoansReceivablePledgedAsCollateral	15800000000	usd
CY2017Q3	us-gaap	Pledged Financial Instruments Not Separately Reported Loans Receivable Pledged As Collateral PledgedFinancialInstrumentsNotSeparatelyReportedLoansReceivablePledgedAsCollateral	1300000000	usd
CY2016Q4	us-gaap	Preferred Stock Discount On Shares PreferredStockDiscountOnShares	1399000000	usd
CY2017Q3	us-gaap	Preferred Stock Discount On Shares PreferredStockDiscountOnShares	1399000000	usd
CY2016Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	401000000	usd
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1163000000	usd
CY2017Q3	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	411000000	usd
	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1218000000	usd
CY2016Q4	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	25950000000	usd
CY2017Q3	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	26975000000	usd
CY2016Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	11532712	shares
CY2017Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	11895783	shares
CY2016Q4	us-gaap	Preferred Stock Value PreferredStockValue	24551000000	usd
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CY2016Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	8333000000	usd
CY2017Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	8449000000	usd
CY2016Q4	us-gaap	Property Subject To Or Available For Operating Lease Net PropertySubjectToOrAvailableForOperatingLeaseNet	10089000000	usd
CY2017Q3	us-gaap	Property Subject To Or Available For Operating Lease Net PropertySubjectToOrAvailableForOperatingLeaseNet	9672000000	usd
CY2016Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	805000000	usd
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CY2017Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	717000000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	1877000000	usd
CY2016Q4	us-gaap	Qualified Affordable Housing Project Investments Commitment QualifiedAffordableHousingProjectInvestmentsCommitment	3600000000	usd
CY2017Q3	us-gaap	Qualified Affordable Housing Project Investments Commitment QualifiedAffordableHousingProjectInvestmentsCommitment	3100000000	usd
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CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	133075000000	usd
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CY2016Q3	us-gaap	Salaries Wages And Officers Compensation SalariesWagesAndOfficersCompensation	4224000000	usd
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CY2016Q4	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	89111000000	usd
CY2017Q3	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	102281000000	usd
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CY2017Q3	us-gaap	Securities Loaned And Securities Sold Under Agreement To Repurchase Gross Including Not Subject To Master Netting Arrangement SecuritiesLoanedAndSecuritiesSoldUnderAgreementToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	102281000000	usd
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CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest Adjusted Balance1 StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	194012000000	usd
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CY2017Q3	us-gaap	Trading Gains Losses TradingGainsLosses	245000000	usd
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CY2016Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5043400000	shares
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CY2017Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4948600000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4982100000	shares
CY2016Q3	wfc	Affordable Housing Tax Credits Amount AffordableHousingTaxCreditsAmount	233000000	usd
	wfc	Affordable Housing Tax Credits Amount AffordableHousingTaxCreditsAmount	693000000	usd
CY2017Q3	wfc	Affordable Housing Tax Credits Amount AffordableHousingTaxCreditsAmount	275000000	usd
	wfc	Affordable Housing Tax Credits Amount AffordableHousingTaxCreditsAmount	796000000	usd
	wfc	Affordable Housing Tax Credits Commitment Payment Period AffordableHousingTaxCreditsCommitmentPaymentPeriod	P3Y
CY2016Q4	wfc	Aggregate Fair Value Of Derivative Loan Commitments Net Asset Liability AggregateFairValueOfDerivativeLoanCommitmentsNetAssetLiability	-6000000	usd
CY2017Q3	wfc	Aggregate Fair Value Of Derivative Loan Commitments Net Asset Liability AggregateFairValueOfDerivativeLoanCommitmentsNetAssetLiability	25000000	usd
CY2016Q3	wfc	Allowance For Credit Losses As Percentage Of Loans AllowanceForCreditLossesAsPercentageOfLoans	0.0132
CY2017Q3	wfc	Allowance For Credit Losses As Percentage Of Loans AllowanceForCreditLossesAsPercentageOfLoans	0.0127
CY2016Q3	wfc	Allowance For Loan Losses As Percentage Of Loans AllowanceForLoanLossesAsPercentageOfLoans	0.0120
CY2017Q3	wfc	Allowance For Loan Losses As Percentage Of Loans AllowanceForLoanLossesAsPercentageOfLoans	0.0116
CY2016Q3	wfc	Allowance For Unfunded Credit Commitments AllowanceForUnfundedCreditCommitments	1111000000	usd
CY2017Q3	wfc	Allowance For Unfunded Credit Commitments AllowanceForUnfundedCreditCommitments	1031000000	usd
CY2016Q3	wfc	Amount Paid To Repurchase Loans From Securitization Vehicles AmountPaidToRepurchaseLoansFromSecuritizationVehicles	2400000000	usd
	wfc	Amount Paid To Repurchase Loans From Securitization Vehicles AmountPaidToRepurchaseLoansFromSecuritizationVehicles	7300000000	usd
CY2017Q3	wfc	Amount Paid To Repurchase Loans From Securitization Vehicles AmountPaidToRepurchaseLoansFromSecuritizationVehicles	2100000000	usd
	wfc	Amount Paid To Repurchase Loans From Securitization Vehicles AmountPaidToRepurchaseLoansFromSecuritizationVehicles	6000000000	usd
CY2017Q3	wfc	Capital Conservation Buffer CapitalConservationBuffer	0.0125
CY2016Q4	wfc	Carrying Value Of Delinquent Loans Eligible For Repurchase CarryingValueOfDelinquentLoansEligibleForRepurchase	1200000000	usd
CY2017Q3	wfc	Carrying Value Of Delinquent Loans Eligible For Repurchase CarryingValueOfDelinquentLoansEligibleForRepurchase	1300000000	usd
	wfc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion Into Interest Income CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretionIntoInterestIncome	15577000000	usd
CY2017Q3	wfc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion Into Interest Income CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretionIntoInterestIncome	340000000	usd
	wfc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion Into Interest Income CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretionIntoInterestIncome	1071000000	usd
	wfc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion Into Noninterest Income Due To Sales CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretionIntoNoninterestIncomeDueToSales	467000000	usd
CY2017Q3	wfc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion Into Noninterest Income Due To Sales CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretionIntoNoninterestIncomeDueToSales	0	usd
	wfc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion Into Noninterest Income Due To Sales CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretionIntoNoninterestIncomeDueToSales	334000000	usd
	wfc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Addition Due To Acquisitions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditionDueToAcquisitions	159000000	usd
CY2017Q3	wfc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Addition Due To Acquisitions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditionDueToAcquisitions	0	usd
	wfc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Addition Due To Acquisitions CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAdditionDueToAcquisitions	2000000	usd
	wfc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Changes In Expected Cash Flows That Do Not Affect Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesChangesInExpectedCashFlowsThatDoNotAffectNonaccretableDifference	5699000000	usd
CY2017Q3	wfc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Changes In Expected Cash Flows That Do Not Affect Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesChangesInExpectedCashFlowsThatDoNotAffectNonaccretableDifference	-20000000	usd
	wfc	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Changes In Expected Cash Flows That Do Not Affect Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesChangesInExpectedCashFlowsThatDoNotAffectNonaccretableDifference	-1210000000	usd
CY2016Q3	wfc	Commission And Incentive Compensation CommissionAndIncentiveCompensation	2520000000	usd
	wfc	Commission And Incentive Compensation CommissionAndIncentiveCompensation	7769000000	usd
CY2017Q3	wfc	Commission And Incentive Compensation CommissionAndIncentiveCompensation	2553000000	usd
	wfc	Commission And Incentive Compensation CommissionAndIncentiveCompensation	7777000000	usd
CY2016Q3	wfc	Cost And Equity Method Other Than Temporary Impairment CostAndEquityMethodOtherThanTemporaryImpairment	84000000	usd
	wfc	Cost And Equity Method Other Than Temporary Impairment CostAndEquityMethodOtherThanTemporaryImpairment	317000000	usd
CY2017Q3	wfc	Cost And Equity Method Other Than Temporary Impairment CostAndEquityMethodOtherThanTemporaryImpairment	83000000	usd
	wfc	Cost And Equity Method Other Than Temporary Impairment CostAndEquityMethodOtherThanTemporaryImpairment	181000000	usd
CY2016Q4	wfc	Credit Derivative Notional Amount Net Protection Sold And Purchased CreditDerivativeNotionalAmountNetProtectionSoldAndPurchased	6365000000	usd
CY2017Q3	wfc	Credit Derivative Notional Amount Net Protection Sold And Purchased CreditDerivativeNotionalAmountNetProtectionSoldAndPurchased	7805000000	usd
CY2016Q4	wfc	Credit Derivative Notional Amount Purchased Credit Protection Other CreditDerivativeNotionalAmountPurchasedCreditProtectionOther	16328000000	usd
CY2017Q3	wfc	Credit Derivative Notional Amount Purchased Credit Protection Other CreditDerivativeNotionalAmountPurchasedCreditProtectionOther	18437000000	usd
CY2016Q4	wfc	Credit Derivatives Notional Amount Purchased Credit Protection CreditDerivativesNotionalAmountPurchasedCreditProtection	4118000000	usd
CY2017Q3	wfc	Credit Derivatives Notional Amount Purchased Credit Protection CreditDerivativesNotionalAmountPurchasedCreditProtection	1949000000	usd
CY2016Q4	wfc	Delinquent Amountat Endof Periodon Loansand Foreclosed Assets Managedand Securitizedor Assetbacked Financing Arrangement DelinquentAmountatEndofPeriodonLoansandForeclosedAssetsManagedandSecuritizedorAssetbackedFinancingArrangement	19778000000	usd
CY2017Q3	wfc	Delinquent Amountat Endof Periodon Loansand Foreclosed Assets Managedand Securitizedor Assetbacked Financing Arrangement DelinquentAmountatEndofPeriodonLoansandForeclosedAssetsManagedandSecuritizedorAssetbackedFinancingArrangement	15313000000	usd
CY2016Q4	wfc	Derivative Asset Amount Offset Against Collateral DerivativeAssetAmountOffsetAgainstCollateral	70631000000	usd
CY2017Q3	wfc	Derivative Asset Amount Offset Against Collateral DerivativeAssetAmountOffsetAgainstCollateral	23323000000	usd
CY2016Q4	wfc	Derivative Asset Fair Value Amount Offset Against Collateral Subject To Master Netting Arrangements DerivativeAssetFairValueAmountOffsetAgainstCollateralSubjectToMasterNettingArrangements	74400000000	usd
CY2017Q3	wfc	Derivative Asset Fair Value Amount Offset Against Collateral Subject To Master Netting Arrangements DerivativeAssetFairValueAmountOffsetAgainstCollateralSubjectToMasterNettingArrangements	27200000000	usd
CY2016Q4	wfc	Derivative Asset Net Exposure DerivativeAssetNetExposure	12753000000	usd
CY2017Q3	wfc	Derivative Asset Net Exposure DerivativeAssetNetExposure	11725000000	usd
CY2016Q4	wfc	Derivative Asset Not Subject To Enforceable Master Netting Arrangement DerivativeAssetNotSubjectToEnforceableMasterNettingArrangement	10700000000	usd
CY2017Q3	wfc	Derivative Asset Not Subject To Enforceable Master Netting Arrangement DerivativeAssetNotSubjectToEnforceableMasterNettingArrangement	8700000000	usd
CY2016Q4	wfc	Derivative Liability Amount Offset Against Collateral DerivativeLiabilityAmountOffsetAgainstCollateral	72696000000	usd
CY2017Q3	wfc	Derivative Liability Amount Offset Against Collateral DerivativeLiabilityAmountOffsetAgainstCollateral	24251000000	usd
CY2016Q4	wfc	Derivative Liability Fair Value Amount Offset Against Collateral Subject To Master Netting Arrangements DerivativeLiabilityFairValueAmountOffsetAgainstCollateralSubjectToMasterNettingArrangements	78400000000	usd
CY2017Q3	wfc	Derivative Liability Fair Value Amount Offset Against Collateral Subject To Master Netting Arrangements DerivativeLiabilityFairValueAmountOffsetAgainstCollateralSubjectToMasterNettingArrangements	28800000000	usd
CY2016Q4	wfc	Derivative Liability Net Exposure DerivativeLiabilityNetExposure	10698000000	usd
CY2017Q3	wfc	Derivative Liability Net Exposure DerivativeLiabilityNetExposure	7106000000	usd
CY2016Q4	wfc	Derivative Liability Not Subject To Enforceable Master Netting Arrangement DerivativeLiabilityNotSubjectToEnforceableMasterNettingArrangement	8700000000	usd
CY2017Q3	wfc	Derivative Liability Not Subject To Enforceable Master Netting Arrangement DerivativeLiabilityNotSubjectToEnforceableMasterNettingArrangement	4900000000	usd
CY2016Q3	wfc	Derivative Net Hedge Ineffectiveness Gain Loss Component Recognized On Derivative DerivativeNetHedgeIneffectivenessGainLossComponentRecognizedOnDerivative	98000000	usd
	wfc	Derivative Net Hedge Ineffectiveness Gain Loss Component Recognized On Derivative DerivativeNetHedgeIneffectivenessGainLossComponentRecognizedOnDerivative	3678000000	usd
CY2017Q3	wfc	Derivative Net Hedge Ineffectiveness Gain Loss Component Recognized On Derivative DerivativeNetHedgeIneffectivenessGainLossComponentRecognizedOnDerivative	742000000	usd
	wfc	Derivative Net Hedge Ineffectiveness Gain Loss Component Recognized On Derivative DerivativeNetHedgeIneffectivenessGainLossComponentRecognizedOnDerivative	1891000000	usd
CY2016Q3	wfc	Derivative Net Hedge Ineffectiveness Gain Loss Component Recognized On Hedged Item DerivativeNetHedgeIneffectivenessGainLossComponentRecognizedOnHedgedItem	71000000	usd
	wfc	Derivative Net Hedge Ineffectiveness Gain Loss Component Recognized On Hedged Item DerivativeNetHedgeIneffectivenessGainLossComponentRecognizedOnHedgedItem	-2832000000	usd
CY2017Q3	wfc	Derivative Net Hedge Ineffectiveness Gain Loss Component Recognized On Hedged Item DerivativeNetHedgeIneffectivenessGainLossComponentRecognizedOnHedgedItem	-627000000	usd
	wfc	Derivative Net Hedge Ineffectiveness Gain Loss Component Recognized On Hedged Item DerivativeNetHedgeIneffectivenessGainLossComponentRecognizedOnHedgedItem	-1899000000	usd
CY2017Q3	wfc	Discrete Litigation Accrual DiscreteLitigationAccrual	1000000000	usd
CY2016Q4	wfc	Employee Stock Ownership Plan Preferred Stock Carrying Value EmployeeStockOwnershipPlanPreferredStockCarryingValue	1439000000	usd
CY2017Q3	wfc	Employee Stock Ownership Plan Preferred Stock Carrying Value EmployeeStockOwnershipPlanPreferredStockCarryingValue	1774000000	usd
CY2016Q4	wfc	Employee Stock Ownership Plan Preferred Stock Discount On Shares EmployeeStockOwnershipPlanPreferredStockDiscountOnShares	0	usd
CY2017Q3	wfc	Employee Stock Ownership Plan Preferred Stock Discount On Shares EmployeeStockOwnershipPlanPreferredStockDiscountOnShares	0	usd
CY2016Q4	wfc	Employee Stock Ownership Plan Preferred Stock Liquidation Preference EmployeeStockOwnershipPlanPreferredStockLiquidationPreference	0
CY2017Q3	wfc	Employee Stock Ownership Plan Preferred Stock Liquidation Preference EmployeeStockOwnershipPlanPreferredStockLiquidationPreference	0
CY2016Q4	wfc	Employee Stock Ownership Plan Preferred Stock Liquidation Preference Value EmployeeStockOwnershipPlanPreferredStockLiquidationPreferenceValue	1439000000	usd
CY2017Q3	wfc	Employee Stock Ownership Plan Preferred Stock Liquidation Preference Value EmployeeStockOwnershipPlanPreferredStockLiquidationPreferenceValue	1774000000	usd
CY2016Q4	wfc	Employee Stock Ownership Plan Preferred Stock Shares Authorized And Designated EmployeeStockOwnershipPlanPreferredStockSharesAuthorizedAndDesignated	1439181	shares
CY2017Q3	wfc	Employee Stock Ownership Plan Preferred Stock Shares Authorized And Designated EmployeeStockOwnershipPlanPreferredStockSharesAuthorizedAndDesignated	1774652	shares
CY2016Q3	wfc	Fair Value Level Transfer Amount Total FairValueLevelTransferAmountTotal	0	usd
	wfc	Fair Value Level Transfer Amount Total FairValueLevelTransferAmountTotal	0	usd
CY2017Q3	wfc	Fair Value Level Transfer Amount Total FairValueLevelTransferAmountTotal	0	usd
	wfc	Fair Value Level Transfer Amount Total FairValueLevelTransferAmountTotal	0	usd
CY2016Q4	wfc	Fair Value Of Net Asset Liability From Economic Hedges Related To Mortgage Servicing Activities FairValueOfNetAssetLiabilityFromEconomicHedgesRelatedToMortgageServicingActivities	-617000000	usd
CY2017Q3	wfc	Fair Value Of Net Asset Liability From Economic Hedges Related To Mortgage Servicing Activities FairValueOfNetAssetLiabilityFromEconomicHedgesRelatedToMortgageServicingActivities	-9000000	usd
CY2016Q4	wfc	Federal Funds Sold Securities Purchased Under Resale Agreements And Other Short Term Investments FederalFundsSoldSecuritiesPurchasedUnderResaleAgreementsAndOtherShortTermInvestments	266038000000	usd
CY2017Q3	wfc	Federal Funds Sold Securities Purchased Under Resale Agreements And Other Short Term Investments FederalFundsSoldSecuritiesPurchasedUnderResaleAgreementsAndOtherShortTermInvestments	273105000000	usd
CY2016Q3	wfc	Fees And Commission Mortgage Banking FeesAndCommissionMortgageBanking	1667000000	usd
	wfc	Fees And Commission Mortgage Banking FeesAndCommissionMortgageBanking	4679000000	usd
CY2017Q3	wfc	Fees And Commission Mortgage Banking FeesAndCommissionMortgageBanking	1046000000	usd
	wfc	Fees And Commission Mortgage Banking FeesAndCommissionMortgageBanking	3422000000	usd
CY2016Q3	wfc	Fees And Commissions Depositors Accounts FeesAndCommissionsDepositorsAccounts	1370000000	usd
	wfc	Fees And Commissions Depositors Accounts FeesAndCommissionsDepositorsAccounts	4015000000	usd
CY2017Q3	wfc	Fees And Commissions Depositors Accounts FeesAndCommissionsDepositorsAccounts	1276000000	usd
	wfc	Fees And Commissions Depositors Accounts FeesAndCommissionsDepositorsAccounts	3865000000	usd
CY2016Q4	wfc	Financial Instruments Owned And Pledged As Collateral Carrying Amount FinancialInstrumentsOwnedAndPledgedAsCollateralCarryingAmount	691661000000	usd
CY2017Q3	wfc	Financial Instruments Owned And Pledged As Collateral Carrying Amount FinancialInstrumentsOwnedAndPledgedAsCollateralCarryingAmount	647724000000	usd
CY2016Q3	wfc	Financing Receivable Allowance For Credit Losses Other Increase Decrease FinancingReceivableAllowanceForCreditLossesOtherIncreaseDecrease	-1000000	usd
	wfc	Financing Receivable Allowance For Credit Losses Other Increase Decrease FinancingReceivableAllowanceForCreditLossesOtherIncreaseDecrease	-15000000	usd
CY2017Q3	wfc	Financing Receivable Allowance For Credit Losses Other Increase Decrease FinancingReceivableAllowanceForCreditLossesOtherIncreaseDecrease	6000000	usd
	wfc	Financing Receivable Allowance For Credit Losses Other Increase Decrease FinancingReceivableAllowanceForCreditLossesOtherIncreaseDecrease	6000000	usd
CY2016Q4	wfc	Financing Receivable Temporary Advance Arrangements FinancingReceivableTemporaryAdvanceArrangements	77000000000	usd
CY2017Q3	wfc	Financing Receivable Temporary Advance Arrangements FinancingReceivableTemporaryAdvanceArrangements	84000000000	usd
CY2017Q3	wfc	Gsib Surcharge GSIBSurcharge	0.01
CY2016Q3	wfc	Gain Loss On Available For Sale And Held To Maturity Investments GainLossOnAvailableForSaleAndHeldToMaturityInvestments	246000000	usd
	wfc	Gain Loss On Available For Sale And Held To Maturity Investments GainLossOnAvailableForSaleAndHeldToMaturityInvestments	1370000000	usd
CY2017Q3	wfc	Gain Loss On Available For Sale And Held To Maturity Investments GainLossOnAvailableForSaleAndHeldToMaturityInvestments	404000000	usd
	wfc	Gain Loss On Available For Sale And Held To Maturity Investments GainLossOnAvailableForSaleAndHeldToMaturityInvestments	1151000000	usd
CY2016Q3	wfc	Gain Loss On Fair Value Hedges Recognized In Net Interest Income GainLossOnFairValueHedgesRecognizedInNetInterestIncome	364000000	usd
	wfc	Gain Loss On Fair Value Hedges Recognized In Net Interest Income GainLossOnFairValueHedgesRecognizedInNetInterestIncome	1007000000	usd
CY2017Q3	wfc	Gain Loss On Fair Value Hedges Recognized In Net Interest Income GainLossOnFairValueHedgesRecognizedInNetInterestIncome	104000000	usd
	wfc	Gain Loss On Fair Value Hedges Recognized In Net Interest Income GainLossOnFairValueHedgesRecognizedInNetInterestIncome	570000000	usd
CY2016Q3	wfc	Gain Loss On Mortgage Loan Origination And Sales Activities GainLossOnMortgageLoanOriginationAndSalesActivities	1308000000	usd
	wfc	Gain Loss On Mortgage Loan Origination And Sales Activities GainLossOnMortgageLoanOriginationAndSalesActivities	3110000000	usd
CY2017Q3	wfc	Gain Loss On Mortgage Loan Origination And Sales Activities GainLossOnMortgageLoanOriginationAndSalesActivities	737000000	usd
	wfc	Gain Loss On Mortgage Loan Origination And Sales Activities GainLossOnMortgageLoanOriginationAndSalesActivities	2257000000	usd
CY2015	wfc	Goodwillreclassforheldforsale Goodwillreclassforheldforsale	0	usd
CY2016	wfc	Goodwillreclassforheldforsale Goodwillreclassforheldforsale	0	usd
	wfc	Goodwillreclassforheldforsale Goodwillreclassforheldforsale	-116000000	usd
CY2016Q4	wfc	Guarantor Obligations Current Carrying Value1 GuarantorObligationsCurrentCarryingValue1	136000000	usd
CY2017Q3	wfc	Guarantor Obligations Current Carrying Value1 GuarantorObligationsCurrentCarryingValue1	-318000000	usd
CY2016Q4	wfc	Guarantor Obligations Maximum Exposure Expires After Five Years GuarantorObligationsMaximumExposureExpiresAfterFiveYears	15212000000	usd
CY2017Q3	wfc	Guarantor Obligations Maximum Exposure Expires After Five Years GuarantorObligationsMaximumExposureExpiresAfterFiveYears	16131000000	usd
CY2016Q4	wfc	Guarantor Obligations Maximum Exposure Expires In One Year Or Less GuarantorObligationsMaximumExposureExpiresInOneYearOrLess	27689000000	usd
CY2017Q3	wfc	Guarantor Obligations Maximum Exposure Expires In One Year Or Less GuarantorObligationsMaximumExposureExpiresInOneYearOrLess	30603000000	usd
CY2016Q4	wfc	Guarantor Obligations Maximum Exposure Expires In One Year Through Three Years GuarantorObligationsMaximumExposureExpiresInOneYearThroughThreeYears	20190000000	usd
CY2017Q3	wfc	Guarantor Obligations Maximum Exposure Expires In One Year Through Three Years GuarantorObligationsMaximumExposureExpiresInOneYearThroughThreeYears	21054000000	usd
CY2016Q4	wfc	Guarantor Obligations Maximum Exposure Expires In Three Years Through Five Years GuarantorObligationsMaximumExposureExpiresInThreeYearsThroughFiveYears	8732000000	usd
CY2017Q3	wfc	Guarantor Obligations Maximum Exposure Expires In Three Years Through Five Years GuarantorObligationsMaximumExposureExpiresInThreeYearsThroughFiveYears	8561000000	usd
CY2017Q3	wfc	High Value Properties Threshold HighValuePropertiesThreshold	1000000	usd
CY2016Q3	wfc	Impaired Financing Receivable Interest Income ImpairedFinancingReceivableInterestIncome	310000000	usd
	wfc	Impaired Financing Receivable Interest Income ImpairedFinancingReceivableInterestIncome	946000000	usd
CY2017Q3	wfc	Impaired Financing Receivable Interest Income ImpairedFinancingReceivableInterestIncome	265000000	usd
	wfc	Impaired Financing Receivable Interest Income ImpairedFinancingReceivableInterestIncome	852000000	usd
CY2016Q3	wfc	Income Expense From All Other Nonmarketable Equity Investments IncomeExpenseFromAllOtherNonmarketableEquityInvestments	-83000000	usd
	wfc	Income Expense From All Other Nonmarketable Equity Investments IncomeExpenseFromAllOtherNonmarketableEquityInvestments	-404000000	usd
CY2017Q3	wfc	Income Expense From All Other Nonmarketable Equity Investments IncomeExpenseFromAllOtherNonmarketableEquityInvestments	-184000000	usd
	wfc	Income Expense From All Other Nonmarketable Equity Investments IncomeExpenseFromAllOtherNonmarketableEquityInvestments	-424000000	usd
	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasis	-1648000000	usd
	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasis	-814000000	usd
	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Loans Held For Sale IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisLoansHeldForSale	-21000000	usd
	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Loans Held For Sale IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisLoansHeldForSale	-1000000	usd
	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Loans Receivable IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisLoansReceivable	-1314000000	usd
	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Loans Receivable IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisLoansReceivable	-657000000	usd
	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Mortgages Held For Sale IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisMortgagesHeldForSale	26000000	usd
	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Mortgages Held For Sale IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisMortgagesHeldForSale	23000000	usd
	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Other Assets IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisOtherAssets	-339000000	usd
	wfc	Increase Decrease In Fair Value Assets Measured On Nonrecurring Basis Other Assets IncreaseDecreaseInFairValueAssetsMeasuredOnNonrecurringBasisOtherAssets	-179000000	usd
	wfc	Increase Decrease In Noncontrolling Interests IncreaseDecreaseInNoncontrollingInterests	-136000000	usd
	wfc	Increase Decrease In Noncontrolling Interests IncreaseDecreaseInNoncontrollingInterests	-178000000	usd
	wfc	Increase Decrease In Trading Assets IncreaseDecreaseInTradingAssets	30774000000	usd
	wfc	Increase Decrease In Trading Assets IncreaseDecreaseInTradingAssets	28463000000	usd
CY2016Q4	wfc	Investment Securities Pledged As Collateral InvestmentSecuritiesPledgedAsCollateral	90946000000	usd
CY2017Q3	wfc	Investment Securities Pledged As Collateral InvestmentSecuritiesPledgedAsCollateral	67142000000	usd
CY2015Q4	wfc	Liability For Mortgage Loan Repurchase Losses LiabilityForMortgageLoanRepurchaseLosses	378000000	usd
CY2016Q2	wfc	Liability For Mortgage Loan Repurchase Losses LiabilityForMortgageLoanRepurchaseLosses	255000000	usd
CY2016Q3	wfc	Liability For Mortgage Loan Repurchase Losses LiabilityForMortgageLoanRepurchaseLosses	239000000	usd
CY2016Q4	wfc	Liability For Mortgage Loan Repurchase Losses LiabilityForMortgageLoanRepurchaseLosses	229000000	usd
CY2017Q2	wfc	Liability For Mortgage Loan Repurchase Losses LiabilityForMortgageLoanRepurchaseLosses	178000000	usd
CY2017Q3	wfc	Liability For Mortgage Loan Repurchase Losses LiabilityForMortgageLoanRepurchaseLosses	179000000	usd
CY2016Q3	wfc	Liability For Mortgage Loan Repurchase Losses Additions LiabilityForMortgageLoanRepurchaseLossesAdditions	-13000000	usd
	wfc	Liability For Mortgage Loan Repurchase Losses Additions LiabilityForMortgageLoanRepurchaseLossesAdditions	-106000000	usd
CY2017Q3	wfc	Liability For Mortgage Loan Repurchase Losses Additions LiabilityForMortgageLoanRepurchaseLossesAdditions	-6000000	usd
	wfc	Liability For Mortgage Loan Repurchase Losses Additions LiabilityForMortgageLoanRepurchaseLossesAdditions	-45000000	usd
CY2016Q3	wfc	Liability For Mortgage Loan Repurchase Losses Additions Change In Estimate Primarily Due To Credit Deterioration LiabilityForMortgageLoanRepurchaseLossesAdditionsChangeInEstimatePrimarilyDueToCreditDeterioration	-24000000	usd
	wfc	Liability For Mortgage Loan Repurchase Losses Additions Change In Estimate Primarily Due To Credit Deterioration LiabilityForMortgageLoanRepurchaseLossesAdditionsChangeInEstimatePrimarilyDueToCreditDeterioration	-132000000	usd
CY2017Q3	wfc	Liability For Mortgage Loan Repurchase Losses Additions Change In Estimate Primarily Due To Credit Deterioration LiabilityForMortgageLoanRepurchaseLossesAdditionsChangeInEstimatePrimarilyDueToCreditDeterioration	-12000000	usd
	wfc	Liability For Mortgage Loan Repurchase Losses Additions Change In Estimate Primarily Due To Credit Deterioration LiabilityForMortgageLoanRepurchaseLossesAdditionsChangeInEstimatePrimarilyDueToCreditDeterioration	-65000000	usd
CY2016Q3	wfc	Liability For Mortgage Loan Repurchase Losses Additions Sales LiabilityForMortgageLoanRepurchaseLossesAdditionsSales	11000000	usd
	wfc	Liability For Mortgage Loan Repurchase Losses Additions Sales LiabilityForMortgageLoanRepurchaseLossesAdditionsSales	26000000	usd
CY2017Q3	wfc	Liability For Mortgage Loan Repurchase Losses Additions Sales LiabilityForMortgageLoanRepurchaseLossesAdditionsSales	6000000	usd
	wfc	Liability For Mortgage Loan Repurchase Losses Additions Sales LiabilityForMortgageLoanRepurchaseLossesAdditionsSales	20000000	usd
CY2016Q3	wfc	Liability For Mortgage Loan Repurchase Losses Assumedwith Msr Purchases LiabilityForMortgageLoanRepurchaseLossesAssumedwithMSRPurchases	0	usd
	wfc	Liability For Mortgage Loan Repurchase Losses Assumedwith Msr Purchases LiabilityForMortgageLoanRepurchaseLossesAssumedwithMSRPurchases	0	usd
CY2017Q3	wfc	Liability For Mortgage Loan Repurchase Losses Assumedwith Msr Purchases LiabilityForMortgageLoanRepurchaseLossesAssumedwithMSRPurchases	10000000	usd
	wfc	Liability For Mortgage Loan Repurchase Losses Assumedwith Msr Purchases LiabilityForMortgageLoanRepurchaseLossesAssumedwithMSRPurchases	10000000	usd
CY2016Q3	wfc	Liability For Mortgage Loan Repurchase Losses Reductions Losses LiabilityForMortgageLoanRepurchaseLossesReductionsLosses	3000000	usd
	wfc	Liability For Mortgage Loan Repurchase Losses Reductions Losses LiabilityForMortgageLoanRepurchaseLossesReductionsLosses	33000000	usd
CY2017Q3	wfc	Liability For Mortgage Loan Repurchase Losses Reductions Losses LiabilityForMortgageLoanRepurchaseLossesReductionsLosses	3000000	usd
	wfc	Liability For Mortgage Loan Repurchase Losses Reductions Losses LiabilityForMortgageLoanRepurchaseLossesReductionsLosses	15000000	usd
	wfc	Loans Originated By Nonbank Entities LoansOriginatedByNonbankEntities	9091000000	usd
	wfc	Loans Originated By Nonbank Entities LoansOriginatedByNonbankEntities	7400000000	usd
CY2016Q4	wfc	Loans Serviced For Others LoansServicedForOthers	1684000000000	usd
CY2017Q3	wfc	Loans Serviced For Others LoansServicedForOthers	1703000000000	usd
CY2016Q4	wfc	Managed Servicing Portfolio ManagedServicingPortfolio	2179000000000	usd
CY2017Q3	wfc	Managed Servicing Portfolio ManagedServicingPortfolio	2182000000000	usd
CY2016Q4	wfc	Marketable Securities Amortized Cost MarketableSecuritiesAmortizedCost	409736000000	usd
CY2017Q3	wfc	Marketable Securities Amortized Cost MarketableSecuritiesAmortizedCost	412808000000	usd
CY2016Q3	wfc	Marketable Securities Available For Sale And Held To Maturity Securities Realized Gain Loss MarketableSecuritiesAvailableForSaleAndHeldToMaturitySecuritiesRealizedGainLoss	191000000	usd
	wfc	Marketable Securities Available For Sale And Held To Maturity Securities Realized Gain Loss MarketableSecuritiesAvailableForSaleAndHeldToMaturitySecuritiesRealizedGainLoss	1001000000	usd
CY2017Q3	wfc	Marketable Securities Available For Sale And Held To Maturity Securities Realized Gain Loss MarketableSecuritiesAvailableForSaleAndHeldToMaturitySecuritiesRealizedGainLoss	272000000	usd
	wfc	Marketable Securities Available For Sale And Held To Maturity Securities Realized Gain Loss MarketableSecuritiesAvailableForSaleAndHeldToMaturitySecuritiesRealizedGainLoss	645000000	usd
CY2016Q4	wfc	Marketable Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Loss2 MarketableSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLoss2	1549000000	usd
CY2017Q3	wfc	Marketable Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Loss2 MarketableSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLoss2	1592000000	usd
CY2016Q4	wfc	Marketable Securities Continuous Unrealized Loss Position Aggregate Loss2 MarketableSecuritiesContinuousUnrealizedLossPositionAggregateLoss2	6434000000	usd
CY2017Q3	wfc	Marketable Securities Continuous Unrealized Loss Position Aggregate Loss2 MarketableSecuritiesContinuousUnrealizedLossPositionAggregateLoss2	2535000000	usd
CY2016Q4	wfc	Marketable Securities Continuous Unrealized Loss Position Fair Value MarketableSecuritiesContinuousUnrealizedLossPositionFairValue	234384000000	usd
CY2017Q3	wfc	Marketable Securities Continuous Unrealized Loss Position Fair Value MarketableSecuritiesContinuousUnrealizedLossPositionFairValue	174163000000	usd
CY2016Q4	wfc	Marketable Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Loss2 MarketableSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLoss2	4885000000	usd
CY2017Q3	wfc	Marketable Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Loss2 MarketableSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLoss2	943000000	usd
CY2016Q4	wfc	Marketable Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value MarketableSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	206123000000	usd
CY2017Q3	wfc	Marketable Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value MarketableSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	122435000000	usd
CY2016Q4	wfc	Marketable Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value MarketableSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	28261000000	usd
CY2017Q3	wfc	Marketable Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value MarketableSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	51728000000	usd
CY2016Q4	wfc	Marketable Securities Gross Unrealized Gain2 MarketableSecuritiesGrossUnrealizedGain2	4217000000	usd
CY2017Q3	wfc	Marketable Securities Gross Unrealized Gain2 MarketableSecuritiesGrossUnrealizedGain2	4755000000	usd
CY2016Q4	wfc	Marketable Securities Gross Unrealized Losses2 MarketableSecuritiesGrossUnrealizedLosses2	6434000000	usd
CY2017Q3	wfc	Marketable Securities Gross Unrealized Losses2 MarketableSecuritiesGrossUnrealizedLosses2	2535000000	usd
CY2016Q3	wfc	Mortgage Servicing Noninterest Income MortgageServicingNoninterestIncome	359000000	usd
	wfc	Mortgage Servicing Noninterest Income MortgageServicingNoninterestIncome	1569000000	usd
CY2017Q3	wfc	Mortgage Servicing Noninterest Income MortgageServicingNoninterestIncome	309000000	usd
	wfc	Mortgage Servicing Noninterest Income MortgageServicingNoninterestIncome	1165000000	usd
	wfc	Net Change In Federal Funds Sold Securities Purchased Under Resale Agreements And Other Short Term Investments NetChangeInFederalFundsSoldSecuritiesPurchasedUnderResaleAgreementsAndOtherShortTermInvestments	28296000000	usd
	wfc	Net Change In Federal Funds Sold Securities Purchased Under Resale Agreements And Other Short Term Investments NetChangeInFederalFundsSoldSecuritiesPurchasedUnderResaleAgreementsAndOtherShortTermInvestments	13896000000	usd
CY2016Q3	wfc	Net Derivative Gains Losses From Economic Hedges Related To Mortgage Servicing Activities NetDerivativeGainsLossesFromEconomicHedgesRelatedToMortgageServicingActivities	142000000	usd
	wfc	Net Derivative Gains Losses From Economic Hedges Related To Mortgage Servicing Activities NetDerivativeGainsLossesFromEconomicHedgesRelatedToMortgageServicingActivities	2575000000	usd
CY2017Q3	wfc	Net Derivative Gains Losses From Economic Hedges Related To Mortgage Servicing Activities NetDerivativeGainsLossesFromEconomicHedgesRelatedToMortgageServicingActivities	240000000	usd
	wfc	Net Derivative Gains Losses From Economic Hedges Related To Mortgage Servicing Activities NetDerivativeGainsLossesFromEconomicHedgesRelatedToMortgageServicingActivities	599000000	usd
CY2016Q3	wfc	Net Gains Losses From Equity Investments NetGainsLossesFromEquityInvestments	140000000	usd
	wfc	Net Gains Losses From Equity Investments NetGainsLossesFromEquityInvestments	573000000	usd
CY2017Q3	wfc	Net Gains Losses From Equity Investments NetGainsLossesFromEquityInvestments	238000000	usd
	wfc	Net Gains Losses From Equity Investments NetGainsLossesFromEquityInvestments	829000000	usd
CY2016Q3	wfc	Net Gains Losses From Nonmarketable Equity Investments NetGainsLossesFromNonmarketableEquityInvestments	55000000	usd
	wfc	Net Gains Losses From Nonmarketable Equity Investments NetGainsLossesFromNonmarketableEquityInvestments	369000000	usd
CY2017Q3	wfc	Net Gains Losses From Nonmarketable Equity Investments NetGainsLossesFromNonmarketableEquityInvestments	132000000	usd
	wfc	Net Gains Losses From Nonmarketable Equity Investments NetGainsLossesFromNonmarketableEquityInvestments	506000000	usd
CY2016Q3	wfc	Net Income Expense From Nonmarketable Equity Investments Total NetIncomeExpenseFromNonmarketableEquityInvestmentsTotal	-28000000	usd
	wfc	Net Income Expense From Nonmarketable Equity Investments Total NetIncomeExpenseFromNonmarketableEquityInvestmentsTotal	-35000000	usd
CY2017Q3	wfc	Net Income Expense From Nonmarketable Equity Investments Total NetIncomeExpenseFromNonmarketableEquityInvestmentsTotal	-52000000	usd
	wfc	Net Income Expense From Nonmarketable Equity Investments Total NetIncomeExpenseFromNonmarketableEquityInvestmentsTotal	82000000	usd
	wfc	Net Increase Decrease In Deferred Compensation And Related Plans NetIncreaseDecreaseInDeferredCompensationAndRelatedPlans	-1053000000	usd
	wfc	Net Increase Decrease In Deferred Compensation And Related Plans NetIncreaseDecreaseInDeferredCompensationAndRelatedPlans	-793000000	usd
CY2016Q3	wfc	Net Loan Charge Offs Annualized As Percentage Of Average Loans NetLoanChargeOffsAnnualizedAsPercentageOfAverageLoans	0.0033
	wfc	Net Loan Charge Offs Annualized As Percentage Of Average Loans NetLoanChargeOffsAnnualizedAsPercentageOfAverageLoans	0.0037
CY2017Q3	wfc	Net Loan Charge Offs Annualized As Percentage Of Average Loans NetLoanChargeOffsAnnualizedAsPercentageOfAverageLoans	0.0030
	wfc	Net Loan Charge Offs Annualized As Percentage Of Average Loans NetLoanChargeOffsAnnualizedAsPercentageOfAverageLoans	0.0030
	wfc	Net Transfers From Loans To Mortgage Held For Sale NetTransfersFromLoansToMortgageHeldForSale	5257000000	usd
	wfc	Net Transfers From Loans To Mortgage Held For Sale NetTransfersFromLoansToMortgageHeldForSale	4015000000	usd
CY2016Q4	wfc	Non Residential Real Estate Foreclosed Assets NonResidentialRealEstateForeclosedAssets	403000000	usd
CY2017Q3	wfc	Non Residential Real Estate Foreclosed Assets NonResidentialRealEstateForeclosedAssets	308000000	usd
CY2016Q3	wfc	Noninterest Income Other Loss NoninterestIncomeOtherLoss	315000000	usd
	wfc	Noninterest Income Other Loss NoninterestIncomeOtherLoss	1671000000	usd
CY2017Q3	wfc	Noninterest Income Other Loss NoninterestIncomeOtherLoss	249000000	usd
	wfc	Noninterest Income Other Loss NoninterestIncomeOtherLoss	788000000	usd
CY2016Q4	wfc	Nonmarketable Equity Investments NonmarketableEquityInvestments	27380000000	usd
CY2017Q3	wfc	Nonmarketable Equity Investments NonmarketableEquityInvestments	28077000000	usd
CY2016Q3	wfc	Other Comprehensive Income Foreign Currency Transaction And Translation Reclassification Adjustment Net Losses To Net Income After Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationReclassificationAdjustmentNetLossesToNetIncomeAfterTax	0	usd
	wfc	Other Comprehensive Income Foreign Currency Transaction And Translation Reclassification Adjustment Net Losses To Net Income After Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationReclassificationAdjustmentNetLossesToNetIncomeAfterTax	0	usd
CY2017Q3	wfc	Other Comprehensive Income Foreign Currency Transaction And Translation Reclassification Adjustment Net Losses To Net Income After Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationReclassificationAdjustmentNetLossesToNetIncomeAfterTax	0	usd
	wfc	Other Comprehensive Income Foreign Currency Transaction And Translation Reclassification Adjustment Net Losses To Net Income After Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationReclassificationAdjustmentNetLossesToNetIncomeAfterTax	0	usd
CY2016Q3	wfc	Other Comprehensive Income Loss Other Reclassification Adjustments From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossOtherReclassificationAdjustmentsFromAociPensionAndOtherPostretirementBenefitPlansBeforeTax	0	usd
	wfc	Other Comprehensive Income Loss Other Reclassification Adjustments From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossOtherReclassificationAdjustmentsFromAociPensionAndOtherPostretirementBenefitPlansBeforeTax	6000000	usd
CY2017Q3	wfc	Other Comprehensive Income Loss Other Reclassification Adjustments From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossOtherReclassificationAdjustmentsFromAociPensionAndOtherPostretirementBenefitPlansBeforeTax	4000000	usd
	wfc	Other Comprehensive Income Loss Other Reclassification Adjustments From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossOtherReclassificationAdjustmentsFromAociPensionAndOtherPostretirementBenefitPlansBeforeTax	6000000	usd
CY2016Q3	wfc	Other Comprehensive Income Loss Other Reclassification Adjustments From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossOtherReclassificationAdjustmentsFromAociPensionAndOtherPostretirementBenefitPlansNetOfTax	0	usd
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CY2017Q3	wfc	Other Comprehensive Income Loss Other Reclassification Adjustments From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossOtherReclassificationAdjustmentsFromAociPensionAndOtherPostretirementBenefitPlansNetOfTax	3000000	usd
	wfc	Other Comprehensive Income Loss Other Reclassification Adjustments From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossOtherReclassificationAdjustmentsFromAociPensionAndOtherPostretirementBenefitPlansNetOfTax	6000000	usd
CY2016Q3	wfc	Other Comprehensive Income Loss Other Reclassification Adjustments From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossOtherReclassificationAdjustmentsFromAociPensionAndOtherPostretirementBenefitPlansTax	0	usd
	wfc	Other Comprehensive Income Loss Other Reclassification Adjustments From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossOtherReclassificationAdjustmentsFromAociPensionAndOtherPostretirementBenefitPlansTax	2000000	usd
CY2017Q3	wfc	Other Comprehensive Income Loss Other Reclassification Adjustments From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossOtherReclassificationAdjustmentsFromAociPensionAndOtherPostretirementBenefitPlansTax	1000000	usd
	wfc	Other Comprehensive Income Loss Other Reclassification Adjustments From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossOtherReclassificationAdjustmentsFromAociPensionAndOtherPostretirementBenefitPlansTax	0	usd
CY2016Q3	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeBeforeTax	-193000000	usd
	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeBeforeTax	-1001000000	usd
CY2017Q3	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeBeforeTax	-200000000	usd
	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeBeforeTax	-522000000	usd
CY2016Q3	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeNetOfTax	-120000000	usd
	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeNetOfTax	-625000000	usd
CY2017Q3	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeNetOfTax	-123000000	usd
	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeNetOfTax	-329000000	usd
CY2016Q3	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeTax	-73000000	usd
	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeTax	-376000000	usd
CY2017Q3	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeTax	-77000000	usd
	wfc	Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Write Down Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOrWriteDownOfSecuritiesIncludedInNetIncomeTax	-193000000	usd
CY2016Q3	wfc	Other Comprehensive Income Loss Reclassification Adjustment Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentNetOfTax	-258000000	usd
	wfc	Other Comprehensive Income Loss Reclassification Adjustment Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentNetOfTax	-1041000000	usd
CY2017Q3	wfc	Other Comprehensive Income Loss Reclassification Adjustment Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentNetOfTax	-161000000	usd
	wfc	Other Comprehensive Income Loss Reclassification Adjustment Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentNetOfTax	-538000000	usd
CY2016Q3	wfc	Other Comprehensive Income Loss Unrealized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeLossUnrealizedGainLossArisingDuringPeriodNetOfTax	-487000000	usd
	wfc	Other Comprehensive Income Loss Unrealized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeLossUnrealizedGainLossArisingDuringPeriodNetOfTax	2904000000	usd
CY2017Q3	wfc	Other Comprehensive Income Loss Unrealized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeLossUnrealizedGainLossArisingDuringPeriodNetOfTax	610000000	usd
	wfc	Other Comprehensive Income Loss Unrealized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeLossUnrealizedGainLossArisingDuringPeriodNetOfTax	2019000000	usd
CY2016Q3	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostBeforeTax	39000000	usd
	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostBeforeTax	115000000	usd
CY2017Q3	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostBeforeTax	41000000	usd
	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Before Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostBeforeTax	120000000	usd
CY2016Q3	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostNetOfTax	25000000	usd
	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostNetOfTax	72000000	usd
CY2017Q3	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostNetOfTax	27000000	usd
	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Net Of Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostNetOfTax	77000000	usd
CY2016Q3	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostTax	14000000	usd
	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostTax	43000000	usd
CY2017Q3	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostTax	14000000	usd
	wfc	Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Amortization Of Net Prior Service Cost Credit And Finalization Of Valuation Recognized In Net Periodic Benefit Cost Tax OtherComprehensiveIncomeReclassificationOfDefinedBenefitPlansNetGainLossAmortizationOfNetPriorServiceCostCreditAndFinalizationOfValuationRecognizedInNetPeriodicBenefitCostTax	43000000	usd
CY2016Q3	wfc	Other Than Temporary Impairment Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentInvestmentsPortionRecognizedInEarningsNet	136000000	usd
	wfc	Other Than Temporary Impairment Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentInvestmentsPortionRecognizedInEarningsNet	464000000	usd
CY2017Q3	wfc	Other Than Temporary Impairment Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentInvestmentsPortionRecognizedInEarningsNet	91000000	usd
	wfc	Other Than Temporary Impairment Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentInvestmentsPortionRecognizedInEarningsNet	293000000	usd
CY2016Q3	wfc	Other Than Temporary Impairment Losses Available For Sale And Held To Maturity Securities Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesAvailableForSaleAndHeldToMaturitySecuritiesPortionRecognizedInEarningsNet	52000000	usd
	wfc	Other Than Temporary Impairment Losses Available For Sale And Held To Maturity Securities Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesAvailableForSaleAndHeldToMaturitySecuritiesPortionRecognizedInEarningsNet	147000000	usd
CY2017Q3	wfc	Other Than Temporary Impairment Losses Available For Sale And Held To Maturity Securities Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesAvailableForSaleAndHeldToMaturitySecuritiesPortionRecognizedInEarningsNet	8000000	usd
	wfc	Other Than Temporary Impairment Losses Available For Sale And Held To Maturity Securities Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesAvailableForSaleAndHeldToMaturitySecuritiesPortionRecognizedInEarningsNet	112000000	usd
CY2016Q3	wfc	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Available For Sale Equity Securities And Nonmarketable Equity Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableForSaleEquitySecuritiesAndNonmarketableEquitySecurities	85000000	usd
	wfc	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Available For Sale Equity Securities And Nonmarketable Equity Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableForSaleEquitySecuritiesAndNonmarketableEquitySecurities	322000000	usd
CY2017Q3	wfc	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Available For Sale Equity Securities And Nonmarketable Equity Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableForSaleEquitySecuritiesAndNonmarketableEquitySecurities	84000000	usd
	wfc	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net Available For Sale Equity Securities And Nonmarketable Equity Securities OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableForSaleEquitySecuritiesAndNonmarketableEquitySecurities	186000000	usd
	wfc	Payments For Loans Originated By Banking Subsidiaries Net Of Proceeds From Collections PaymentsForLoansOriginatedByBankingSubsidiariesNetOfProceedsFromCollections	28155000000	usd
	wfc	Payments For Loans Originated By Banking Subsidiaries Net Of Proceeds From Collections PaymentsForLoansOriginatedByBankingSubsidiariesNetOfProceedsFromCollections	-5665000000	usd
	wfc	Payments To Acquire Nonmarketable Equity Investments PaymentsToAcquireNonmarketableEquityInvestments	3001000000	usd
	wfc	Payments To Acquire Nonmarketable Equity Investments PaymentsToAcquireNonmarketableEquityInvestments	2027000000	usd
	wfc	Paymentsfor Originationandpurchasesof Mortgage Loans Heldforsaleand Other Loans Heldfor Sale PaymentsforOriginationandpurchasesofMortgageLoansHeldforsaleandOtherLoansHeldforSale	144022000000	usd
	wfc	Paymentsfor Originationandpurchasesof Mortgage Loans Heldforsaleand Other Loans Heldfor Sale PaymentsforOriginationandpurchasesofMortgageLoansHeldforsaleandOtherLoansHeldforSale	134363000000	usd
CY2016Q4	wfc	Percentage Of Underlying Collateral Rated As Investment Grade PercentageOfUnderlyingCollateralRatedAsInvestmentGrade	1.00
CY2017Q3	wfc	Percentage Of Underlying Collateral Rated As Investment Grade PercentageOfUnderlyingCollateralRatedAsInvestmentGrade	1.00
	wfc	Preferred Stock Amount PreferredStockAmount	2101000000	usd
	wfc	Preferred Stock Amount PreferredStockAmount	677000000	usd
	wfc	Preferred Stock Released By Employee Stock Option Plan PreferredStockReleasedByEmployeeStockOptionPlan	920000000	usd
	wfc	Preferred Stock Released By Employee Stock Option Plan PreferredStockReleasedByEmployeeStockOptionPlan	615000000	usd
CY2016Q4	wfc	Preferred Stock Shares Authorized And Designated PreferredStockSharesAuthorizedAndDesignated	11941891	shares
CY2017Q3	wfc	Preferred Stock Shares Authorized And Designated PreferredStockSharesAuthorizedAndDesignated	12254962	shares
CY2016Q4	wfc	Principal Amount That Would Be Payable To Securitization Vehicles PrincipalAmountThatWouldBePayableToSecuritizationVehicles	1200000000	usd
CY2017Q3	wfc	Principal Amount That Would Be Payable To Securitization Vehicles PrincipalAmountThatWouldBePayableToSecuritizationVehicles	1300000000	usd
	wfc	Principal Collected On Nonbank Entities Loans PrincipalCollectedOnNonbankEntitiesLoans	8736000000	usd
	wfc	Principal Collected On Nonbank Entities Loans PrincipalCollectedOnNonbankEntitiesLoans	9072000000	usd
	wfc	Proceeds From Sale Of Foreclosed Assets And Short Sales ProceedsFromSaleOfForeclosedAssetsAndShortSales	5560000000	usd
	wfc	Proceeds From Sale Of Foreclosed Assets And Short Sales ProceedsFromSaleOfForeclosedAssetsAndShortSales	4175000000	usd
	wfc	Proceeds From Sale Of Nonmarketable Equity Investments ProceedsFromSaleOfNonmarketableEquityInvestments	1298000000	usd
	wfc	Proceeds From Sale Of Nonmarketable Equity Investments ProceedsFromSaleOfNonmarketableEquityInvestments	2838000000	usd
	wfc	Proceeds From Salesofand Paydownson Mortgages Originated For Saleand Other Loans Held For Sale ProceedsFromSalesofandPaydownsonMortgagesOriginatedForSaleandOtherLoansHeldForSale	91877000000	usd
	wfc	Proceeds From Salesofand Paydownson Mortgages Originated For Saleand Other Loans Held For Sale ProceedsFromSalesofandPaydownsonMortgagesOriginatedForSaleandOtherLoansHeldForSale	97116000000	usd
CY2017Q3	wfc	Rmb Strustsatissueinthe State Court Action RMBStrustsatissueintheStateCourtAction	11
CY2016Q4	wfc	Ratio Of Mortgage Servicing Rights To Related Loans Serviced For Others RatioOfMortgageServicingRightsToRelatedLoansServicedForOthers	0.0085
CY2017Q3	wfc	Ratio Of Mortgage Servicing Rights To Related Loans Serviced For Others RatioOfMortgageServicingRightsToRelatedLoansServicedForOthers	0.0087
CY2016Q4	wfc	Resale Agreements Funded Amounts Outstanding ResaleAgreementsFundedAmountsOutstanding	0	usd
CY2017Q3	wfc	Resale Agreements Funded Amounts Outstanding ResaleAgreementsFundedAmountsOutstanding	0	usd
CY2016Q4	wfc	Resale Agreements Unfunded Commitments ResaleAgreementsUnfundedCommitments	2900000000	usd
CY2017Q3	wfc	Resale Agreements Unfunded Commitments ResaleAgreementsUnfundedCommitments	1500000000	usd
CY2016Q4	wfc	Securities Purchased Under Agreements To Resell And Securities Borrowed Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellAndSecuritiesBorrowedAmountOffsetAgainstCollateral	11680000000	usd
CY2017Q3	wfc	Securities Purchased Under Agreements To Resell And Securities Borrowed Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellAndSecuritiesBorrowedAmountOffsetAgainstCollateral	22954000000	usd
CY2016Q4	wfc	Securities Purchased Under Agreements To Resell And Securities Borrowed Collateral SecuritiesPurchasedUnderAgreementsToResellAndSecuritiesBorrowedCollateral	78837000000	usd
CY2017Q3	wfc	Securities Purchased Under Agreements To Resell And Securities Borrowed Collateral SecuritiesPurchasedUnderAgreementsToResellAndSecuritiesBorrowedCollateral	85777000000	usd
CY2016Q4	wfc	Securities Purchased Under Agreements To Resell And Securities Borrowed Gross SecuritiesPurchasedUnderAgreementsToResellAndSecuritiesBorrowedGross	91123000000	usd
CY2017Q3	wfc	Securities Purchased Under Agreements To Resell And Securities Borrowed Gross SecuritiesPurchasedUnderAgreementsToResellAndSecuritiesBorrowedGross	109529000000	usd
CY2016Q4	wfc	Securities Purchased Under Agreements To Resell And Securities Borrowed Net SecuritiesPurchasedUnderAgreementsToResellAndSecuritiesBorrowedNet	606000000	usd
CY2017Q3	wfc	Securities Purchased Under Agreements To Resell And Securities Borrowed Net SecuritiesPurchasedUnderAgreementsToResellAndSecuritiesBorrowedNet	798000000	usd
CY2016Q4	wfc	Securities Purchased Under Agreements To Resell And Securities Borrowed Net Amount In Consolidated Balance Sheet SecuritiesPurchasedUnderAgreementsToResellAndSecuritiesBorrowedNetAmountInConsolidatedBalanceSheet	79443000000	usd
CY2017Q3	wfc	Securities Purchased Under Agreements To Resell And Securities Borrowed Net Amount In Consolidated Balance Sheet SecuritiesPurchasedUnderAgreementsToResellAndSecuritiesBorrowedNetAmountInConsolidatedBalanceSheet	86575000000	usd
CY2016Q4	wfc	Securities Sold Under Agreements To Repurchase And Securities Loaned Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAndSecuritiesLoanedAmountOffsetAgainstCollateral	11680000000	usd
CY2017Q3	wfc	Securities Sold Under Agreements To Repurchase And Securities Loaned Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAndSecuritiesLoanedAmountOffsetAgainstCollateral	22954000000	usd
CY2016Q4	wfc	Securities Sold Under Agreements To Repurchase And Securities Loaned Collateral SecuritiesSoldUnderAgreementsToRepurchaseAndSecuritiesLoanedCollateral	77184000000	usd
CY2017Q3	wfc	Securities Sold Under Agreements To Repurchase And Securities Loaned Collateral SecuritiesSoldUnderAgreementsToRepurchaseAndSecuritiesLoanedCollateral	79060000000	usd
CY2016Q4	wfc	Securities Sold Under Agreements To Repurchase And Securities Loaned Net SecuritiesSoldUnderAgreementsToRepurchaseAndSecuritiesLoanedNet	247000000	usd
CY2017Q3	wfc	Securities Sold Under Agreements To Repurchase And Securities Loaned Net SecuritiesSoldUnderAgreementsToRepurchaseAndSecuritiesLoanedNet	267000000	usd
CY2016Q4	wfc	Securities Sold Under Agreements To Repurchase And Securities Loaned Net Amount In Consolidated Balance Sheet SecuritiesSoldUnderAgreementsToRepurchaseAndSecuritiesLoanedNetAmountInConsolidatedBalanceSheet	77431000000	usd
CY2017Q3	wfc	Securities Sold Under Agreements To Repurchase And Securities Loaned Net Amount In Consolidated Balance Sheet SecuritiesSoldUnderAgreementsToRepurchaseAndSecuritiesLoanedNetAmountInConsolidatedBalanceSheet	79327000000	usd
CY2016Q3	wfc	Segment Reporting Information Average Asset SegmentReportingInformationAverageAsset	1914600000000	usd
	wfc	Segment Reporting Information Average Asset SegmentReportingInformationAverageAsset	1865700000000	usd
CY2017Q3	wfc	Segment Reporting Information Average Asset SegmentReportingInformationAverageAsset	1938500000000	usd
	wfc	Segment Reporting Information Average Asset SegmentReportingInformationAverageAsset	1932200000000	usd
CY2016Q3	wfc	Segment Reporting Information Average Balance Of Loans Held In Portfolio SegmentReportingInformationAverageBalanceOfLoansHeldInPortfolio	957500000000	usd
	wfc	Segment Reporting Information Average Balance Of Loans Held In Portfolio SegmentReportingInformationAverageBalanceOfLoansHeldInPortfolio	945200000000	usd
CY2017Q3	wfc	Segment Reporting Information Average Balance Of Loans Held In Portfolio SegmentReportingInformationAverageBalanceOfLoansHeldInPortfolio	952300000000	usd
	wfc	Segment Reporting Information Average Balance Of Loans Held In Portfolio SegmentReportingInformationAverageBalanceOfLoansHeldInPortfolio	957600000000	usd
CY2016Q3	wfc	Segment Reporting Information Average Deposits SegmentReportingInformationAverageDeposits	1261500000000	usd
	wfc	Segment Reporting Information Average Deposits SegmentReportingInformationAverageDeposits	1239300000000	usd
CY2017Q3	wfc	Segment Reporting Information Average Deposits SegmentReportingInformationAverageDeposits	1306400000000	usd
	wfc	Segment Reporting Information Average Deposits SegmentReportingInformationAverageDeposits	1302300000000	usd
CY2016Q3	wfc	Servicing Asset At Fair Value Sum Of Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions And Net Derivative Gains Losses ServicingAssetAtFairValueSumOfChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptionsAndNetDerivativeGainsLosses	134000000	usd
	wfc	Servicing Asset At Fair Value Sum Of Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions And Net Derivative Gains Losses ServicingAssetAtFairValueSumOfChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptionsAndNetDerivativeGainsLosses	786000000	usd
CY2017Q3	wfc	Servicing Asset At Fair Value Sum Of Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions And Net Derivative Gains Losses ServicingAssetAtFairValueSumOfChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptionsAndNetDerivativeGainsLosses	98000000	usd
	wfc	Servicing Asset At Fair Value Sum Of Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions And Net Derivative Gains Losses ServicingAssetAtFairValueSumOfChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptionsAndNetDerivativeGainsLosses	271000000	usd
CY2016Q3	wfc	Servicing Fees Non Interest Income ServicingFeesNonInterestIncome	878000000	usd
	wfc	Servicing Fees Non Interest Income ServicingFeesNonInterestIncome	2630000000	usd
CY2017Q3	wfc	Servicing Fees Non Interest Income ServicingFeesNonInterestIncome	795000000	usd
	wfc	Servicing Fees Non Interest Income ServicingFeesNonInterestIncome	2559000000	usd
	wfc	Share Based Compensation And Preferred Stock Released By Employee Stock Option Plan ShareBasedCompensationAndPreferredStockReleasedByEmployeeStockOptionPlan	1474000000	usd
	wfc	Share Based Compensation And Preferred Stock Released By Employee Stock Option Plan ShareBasedCompensationAndPreferredStockReleasedByEmployeeStockOptionPlan	1595000000	usd
CY2016Q4	wfc	Trading Assets TradingAssets	74397000000	usd
CY2017Q3	wfc	Trading Assets TradingAssets	88404000000	usd
	wfc	Transfers From Available For Sale Securities To Held To Maturity Securities TransfersFromAvailableForSaleSecuritiesToHeldToMaturitySecurities	816000000	usd
	wfc	Transfers From Available For Sale Securities To Held To Maturity Securities TransfersFromAvailableForSaleSecuritiesToHeldToMaturitySecurities	50405000000	usd
	wfc	Transfers From Mortgage Held For Sale To Trading Assets TransfersFromMortgageHeldForSaleToTradingAssets	47291000000	usd
	wfc	Transfers From Mortgage Held For Sale To Trading Assets TransfersFromMortgageHeldForSaleToTradingAssets	43394000000	usd
CY2016Q4	wfc	Unearned Esop Shares Cost UnearnedESOPSharesCost	1565000000	usd
CY2017Q3	wfc	Unearned Esop Shares Cost UnearnedESOPSharesCost	1904000000	usd
CY2016Q4	wfc	Unpaid Principal Balance Of Mortgage Loans Eligible For Repurchase UnpaidPrincipalBalanceOfMortgageLoansEligibleForRepurchase	1200000000	usd
CY2017Q3	wfc	Unpaid Principal Balance Of Mortgage Loans Eligible For Repurchase UnpaidPrincipalBalanceOfMortgageLoansEligibleForRepurchase	1300000000	usd
	wfc	Unrealized Gain Loss On Mortgage Servicing Rights Mortgages Held For Sale And Loans Held For Sale UnrealizedGainLossOnMortgageServicingRightsMortgagesHeldForSaleAndLoansHeldForSale	-1695000000	usd
	wfc	Unrealized Gain Loss On Mortgage Servicing Rights Mortgages Held For Sale And Loans Held For Sale UnrealizedGainLossOnMortgageServicingRightsMortgagesHeldForSaleAndLoansHeldForSale	-828000000	usd
CY2016Q3	wfc	Unreimbursed Direct Servicing Costs UnreimbursedDirectServicingCosts	177000000	usd
	wfc	Unreimbursed Direct Servicing Costs UnreimbursedDirectServicingCosts	533000000	usd
CY2017Q3	wfc	Unreimbursed Direct Servicing Costs UnreimbursedDirectServicingCosts	186000000	usd
	wfc	Unreimbursed Direct Servicing Costs UnreimbursedDirectServicingCosts	430000000	usd
CY2016Q4	wfc	Variable Interest Entity Nonconsolidated Assets VariableInterestEntityNonconsolidatedAssets	1395604000000	usd
CY2017Q3	wfc	Variable Interest Entity Nonconsolidated Assets VariableInterestEntityNonconsolidatedAssets	1368073000000	usd
CY2016	wfc	Weighted Average Contractual Yield On Available For Sale Debt Securities WeightedAverageContractualYieldOnAvailableForSaleDebtSecurities	0.0344
CY2016	wfc	Weighted Average Contractual Yield On Available For Sale Debt Securities Expected To Mature After Five And Through Ten Years WeightedAverageContractualYieldOnAvailableForSaleDebtSecuritiesExpectedToMatureAfterFiveAndThroughTenYears	0.0317
	wfc	Weighted Average Contractual Yield On Available For Sale Debt Securities Expected To Mature After Five And Through Ten Years WeightedAverageContractualYieldOnAvailableForSaleDebtSecuritiesExpectedToMatureAfterFiveAndThroughTenYears	0.0323
CY2016	wfc	Weighted Average Contractual Yield On Available For Sale Debt Securities Expected To Mature After One And Through Five Years WeightedAverageContractualYieldOnAvailableForSaleDebtSecuritiesExpectedToMatureAfterOneAndThroughFiveYears	0.0220
	wfc	Weighted Average Contractual Yield On Available For Sale Debt Securities Expected To Mature After One And Through Five Years WeightedAverageContractualYieldOnAvailableForSaleDebtSecuritiesExpectedToMatureAfterOneAndThroughFiveYears	0.0290
CY2016	wfc	Weighted Average Contractual Yield On Available For Sale Debt Securities Expected To Mature After Ten Years WeightedAverageContractualYieldOnAvailableForSaleDebtSecuritiesExpectedToMatureAfterTenYears	0.0372
	wfc	Weighted Average Contractual Yield On Available For Sale Debt Securities Expected To Mature After Ten Years WeightedAverageContractualYieldOnAvailableForSaleDebtSecuritiesExpectedToMatureAfterTenYears	0.0388
CY2016	wfc	Weighted Average Contractual Yield On Available For Sale Debt Securities Expected To Mature Within One Year WeightedAverageContractualYieldOnAvailableForSaleDebtSecuritiesExpectedToMatureWithinOneYear	0.0193
	wfc	Weighted Average Contractual Yield On Available For Sale Debt Securities Expected To Mature Within One Year WeightedAverageContractualYieldOnAvailableForSaleDebtSecuritiesExpectedToMatureWithinOneYear	0.0300
CY2016Q3	wfc	Weighted Average Rate Reduction Related To Loan Modifications WeightedAverageRateReductionRelatedToLoanModifications	0.0413
	wfc	Weighted Average Rate Reduction Related To Loan Modifications WeightedAverageRateReductionRelatedToLoanModifications	0.0396
CY2017Q3	wfc	Weighted Average Rate Reduction Related To Loan Modifications WeightedAverageRateReductionRelatedToLoanModifications	0.0656
	wfc	Weighted Average Rate Reduction Related To Loan Modifications WeightedAverageRateReductionRelatedToLoanModifications	0.0564
	us-gaap	Comparability Of Prior Year Financial Data ComparabilityOfPriorYearFinancialData	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-indent:24px;font-size:9pt;"><font style="font-family:Georgia,serif;font-size:9pt;">These unaudited interim financial statements reflect all adjustments that are, in the opinion of management, necessary for a fair statement of the results for the periods presented. These adjustments are of a normal recurring nature, unless otherwise disclosed in this Form 10-Q. The results of operations in the interim financial statements do not necessarily indicate the results that may be expected for the full year. The interim financial information should be read in conjunction with our </font><font style="font-family:Georgia,serif;font-size:9pt;">2016</font><font style="font-family:Georgia,serif;font-size:9pt;"> Form 10-K.</font></div></div>
	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:9pt;"><font style="font-family:Georgia,serif;font-size:9pt;">Wells Fargo & Company is a diversified financial services company. We provide banking, insurance, trust and investments, mortgage banking, investment banking, retail banking, brokerage, and consumer and commercial finance through branches, the internet and other distribution channels to consumers, businesses and institutions in all 50 states, the District of Columbia, and in foreign countries. When we refer to “Wells Fargo,” “the Company,” “we,” “our” or “us,” we mean Wells Fargo & Company and Subsidiaries (consolidated). Wells Fargo & Company (the Parent) is a financial holding company and a bank holding company. We also hold a majority interest in a real estate investment trust, which has publicly traded preferred stock outstanding.</font></div></div>
	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-indent:24px;font-size:9pt;"><font style="font-family:Georgia,serif;font-size:9pt;">Our accounting and reporting policies conform with U.S. generally accepted accounting principles (GAAP) and practices in the financial services industry. For discussion of our significant accounting policies, see Note 1 (Summary of Significant Accounting Policies) in our Annual Report on Form 10-K for the year ended </font><font style="font-family:Georgia,serif;font-size:9pt;">December 31, 2016</font><font style="font-family:Georgia,serif;font-size:9pt;"> (</font><font style="font-family:Georgia,serif;font-size:9pt;">2016</font><font style="font-family:Georgia,serif;font-size:9pt;"> Form 10-K). To prepare the financial statements in conformity with GAAP, management must make estimates based on assumptions about future economic and market conditions (for example, unemployment, market liquidity, real estate prices, etc.) that affect the reported amounts of assets and liabilities at the date of the financial statements, income and expenses during the reporting period and the related disclosures. Although our estimates contemplate current conditions and how we expect them to change in the future, it is reasonably possible that actual conditions could be significantly different than anticipated in those estimates, which could materially affect our results of operations and financial condition. Management has made significant estimates in several areas, including:</font></div><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;" rowspan="1" colspan="1"></td><td rowspan="1" colspan="1"></td></tr><tr><td style="vertical-align:top" rowspan="1" colspan="1"><div style="line-height:120%;font-size:9pt;padding-left:0px;"><font style="font-family:Georgia,serif;font-size:9pt;">•</font></div></td><td style="vertical-align:top;" rowspan="1" colspan="1"><div style="line-height:120%;font-size:9pt;"><font style="font-family:Georgia,serif;font-size:9pt;"> allowance for credit losses and purchased credit-impaired (PCI) loans (Note 5 (Loans and Allowance for Credit Losses)); </font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;" rowspan="1" colspan="1"></td><td rowspan="1" colspan="1"></td></tr><tr><td style="vertical-align:top" rowspan="1" colspan="1"><div style="line-height:120%;font-size:9pt;padding-left:0px;"><font style="font-family:Georgia,serif;font-size:9pt;">•</font></div></td><td style="vertical-align:top;" rowspan="1" colspan="1"><div style="line-height:120%;font-size:9pt;"><font style="font-family:Georgia,serif;font-size:9pt;">valuations of residential mortgage servicing rights (MSRs) (Note 7 (Securitizations and Variable Interest Entities) and Note 8 (Mortgage Banking Activities)) and financial instruments (Note 13 (Fair Values of Assets and Liabilities));</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;" rowspan="1" colspan="1"></td><td rowspan="1" colspan="1"></td></tr><tr><td style="vertical-align:top" rowspan="1" colspan="1"><div style="line-height:120%;font-size:9pt;padding-left:0px;"><font style="font-family:Georgia,serif;font-size:9pt;">•</font></div></td><td style="vertical-align:top;" rowspan="1" colspan="1"><div style="line-height:120%;font-size:9pt;"><font style="font-family:Georgia,serif;font-size:9pt;">income taxes; and</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;" rowspan="1" colspan="1"></td><td rowspan="1" colspan="1"></td></tr><tr><td style="vertical-align:top" rowspan="1" colspan="1"><div style="line-height:120%;font-size:9pt;padding-left:0px;"><font style="font-family:Georgia,serif;font-size:9pt;">•</font></div></td><td style="vertical-align:top;" rowspan="1" colspan="1"><div style="line-height:120%;font-size:9pt;"><font style="font-family:Georgia,serif;font-size:9pt;">liabilities for contingent litigation losses (Note 11 (Legal Actions)). </font></div></td></tr></table><div style="line-height:120%;font-size:9pt;"><font style="font-family:Georgia,serif;font-size:9pt;">Actual results could differ from those estimates.</font></div></div>

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$WFC
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2017 Q4 Form 10-Q Financial Statement

#000007297117000466 Filed on November 03, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WFC WELLS FARGO & COMPANY/MN Stock $wfc

2017 Q4 Form 10-Q Financial Statement

#000007297117000466 Filed on November 03, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WFC
WELLS FARGO & COMPANY/MN Stock $wfc