$SCHW
SCHWAB CHARLES CORP Stock $schw

$schw Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-K Financial Statement

#000031670921000012 Filed on February 24, 2021

Income Statement

Concept	2020 Q4	2019 Q4	2019 Q3
Revenue	$4.176B	$2.606B	$2.711B
YoY Change	60.25%	-2.36%	5.12%
Cost Of Revenue	$96.00M	$168.0M	$261.0M
YoY Change	-42.86%	-41.67%	14.47%
Gross Profit	$4.176B	$2.606B	$2.711B
YoY Change	60.25%	-2.36%	5.12%
Gross Profit Margin	100.0%	100.0%	100.0%
Selling, General & Admin	$2.171B	$1.299B	$1.303B
YoY Change	67.13%	2.53%	12.91%
% of Gross Profit	51.99%	49.85%	48.06%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$277.0M	$94.00M	$88.00M
YoY Change	194.68%	17.5%	12.82%
% of Gross Profit	6.63%	3.61%	3.25%
Operating Expenses	$2.700B	$1.494B	$1.475B
YoY Change	80.72%	2.4%	8.46%
Operating Profit	$1.476B	$1.112B	$1.236B
YoY Change	32.73%	-8.1%	1.39%
Interest Expense			$261.0M
YoY Change			14.47%
% of Operating Profit			21.12%
Other Income/Expense, Net			$54.00M
YoY Change			-23.94%
Pretax Income	$1.476B	$1.112B	$1.236B
YoY Change	32.73%	-8.1%	1.39%
Income Tax	$341.0M	$260.0M	$285.0M
% Of Pretax Income	23.1%	23.38%	23.06%
Net Earnings	$1.135B	$852.0M	$951.0M
YoY Change	33.22%	-8.88%	3.03%
Net Earnings / Revenue	27.18%	32.69%	35.08%
Basic Earnings Per Share	$0.57	$0.62	$0.70
Diluted Earnings Per Share	$0.57	$0.62	$0.70
COMMON SHARES
Basic Shares Outstanding	1.848B shares	1.284B shares	1.300B shares
Diluted Shares Outstanding	1.855B shares	1.293B shares	1.308B shares

Balance Sheet

Concept	2020 Q4	2019 Q4	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$40.35B	$29.35B	$20.25B
YoY Change	37.5%	5.04%	-7.23%
Cash & Equivalents	$40.35B	$29.35B	$20.25B
Short-Term Investments
Other Short-Term Assets	$35.50B	$11.46B	$6.457B
YoY Change	209.86%	79.88%
Inventory
Prepaid Expenses
Receivables	$64.44B	$21.77B	$22.39B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$140.3B	$62.57B	$49.10B
YoY Change	124.21%	10.72%	9.01%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.883B	$2.128B	$2.017B
YoY Change	35.48%	20.29%	19.85%
Goodwill	$11.95B	$1.227B	$1.227B
YoY Change	874.08%	0.0%	0.0%
Intangibles	$9.991B	$128.0M
YoY Change	7705.47%	-15.79%
Long-Term Investments	$352.3B	$205.2B	$206.9B
YoY Change	71.72%	-6.03%	2.7%
Other Assets	$35.50B	$11.46B	$6.457B
YoY Change	209.86%	79.88%	58.92%
Total Long-Term Assets	$408.7B	$231.4B	$229.9B
YoY Change	76.61%	-3.56%	1.25%
TOTAL ASSETS
Total Short-Term Assets	$140.3B	$62.57B	$49.10B
Total Long-Term Assets	$408.7B	$231.4B	$229.9B
Total Assets	$549.0B	$294.0B	$279.0B
YoY Change	86.74%	-0.84%	2.53%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$104.2B	$39.22B	$37.36B
YoY Change	165.68%	13.49%	27.18%
Accrued Expenses	$17.09B	$5.516B	$3.521B
YoY Change	209.9%	86.73%	30.55%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$220.1B	$209.3B
YoY Change	-100.0%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$479.3B	$264.8B	$250.2B
YoY Change	80.99%	-1.53%	1.93%
LONG-TERM LIABILITIES
Long-Term Debt	$13.63B	$7.430B	$7.427B
YoY Change	83.47%	8.03%	28.27%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$13.63B	$7.430B	$7.427B
YoY Change	83.47%	8.03%	28.27%
TOTAL LIABILITIES
Total Short-Term Liabilities	$479.3B	$264.8B	$250.2B
Total Long-Term Liabilities	$13.63B	$7.430B	$7.427B
Total Liabilities	$492.9B	$272.3B	$257.6B
YoY Change	81.06%	-1.29%	2.53%
SHAREHOLDERS EQUITY
Retained Earnings	$21.98B	$19.96B	$19.37B
YoY Change	10.1%	15.18%	16.61%
Common Stock	$20.00M	$15.00M	$15.00M
YoY Change	33.33%	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$5.578B	$5.767B	$5.612B
YoY Change	-3.28%	55.28%	102.67%
Treasury Stock Shares	193.6M shares	201.8M shares	198.6M shares
Shareholders Equity	$56.06B	$21.75B	$21.35B
YoY Change
Total Liabilities & Shareholders Equity	$549.0B	$294.0B	$279.0B
YoY Change	86.73%	-0.84%	2.53%

Cashflow Statement

Concept	2020 Q4	2019 Q4	2019 Q3
OPERATING ACTIVITIES
Net Income	$1.135B	$852.0M	$951.0M
YoY Change	33.22%	-8.88%	3.03%
Depreciation, Depletion And Amortization	$277.0M	$94.00M	$88.00M
YoY Change	194.68%	17.5%	12.82%
Cash From Operating Activities	$13.26B	$4.304B	$5.402B
YoY Change	208.02%	-44.83%	323.69%
INVESTING ACTIVITIES
Capital Expenditures	-$166.0M	-$193.0M	-$205.0M
YoY Change	-13.99%	13.53%	39.46%
Acquisitions
YoY Change
Other Investing Activities	-$22.24B	-$1.102B	-$6.984B
YoY Change	1918.15%	-92.33%	12.3%
Cash From Investing Activities	-$22.41B	-$1.295B	-$7.189B
YoY Change	1630.19%	-91.09%	12.93%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	41.35B	10.28B	-111.0M
YoY Change	302.05%	-42.44%	-100.84%
NET CHANGE
Cash From Operating Activities	13.26B	4.304B	5.402B
Cash From Investing Activities	-22.41B	-1.295B	-7.189B
Cash From Financing Activities	41.35B	10.28B	-111.0M
Net Change In Cash	32.20B	13.29B	-1.898B
YoY Change	142.22%	19.4%	-123.21%
FREE CASH FLOW
Cash From Operating Activities	$13.26B	$4.304B	$5.402B
Capital Expenditures	-$166.0M	-$193.0M	-$205.0M
Free Cash Flow	$13.42B	$4.497B	$5.607B
YoY Change	198.49%	-43.58%	294.3%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Entity Registrant Name EntityRegistrantName	SCHWAB CHARLES CORP
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0000316709
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	us-gaap:OtherAssets
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	us-gaap:OtherAssets
CY2020Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	1-9700
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	94-3025021
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	3000 Schwab Way
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Westlake
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	76262
CY2020	dei	City Area Code CityAreaCode	817
CY2020	dei	Local Phone Number LocalPhoneNumber	859-5000
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020	dei	Entity Small Business EntitySmallBusiness	false
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
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CY2020	dei	Entity Shell Company EntityShellCompany	false
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CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	1487543446	shares
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	20000000	USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	15000000	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	26515000000	USD
CY2019Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	4656000000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	21975000000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	19960000000	USD
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	193577648	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	201818100	shares
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	5578000000	USD
CY2019Q4	us-gaap	Treasury Stock Value TreasuryStockValue	5767000000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	5394000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	88000000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	56060000000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	21745000000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	549009000000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	294005000000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	18525000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	3507000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-67000000	USD
CY2018	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	164000000	USD
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.46
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	624000000	USD
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1000000000	USD
CY2018	schw	Stock Option Exercises And Other StockOptionExercisesAndOther	125000000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	188000000	USD
CY2018	us-gaap	Stockholders Equity Other StockholdersEquityOther	-13000000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	20670000000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	190000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	3704000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	340000000	USD
CY2019	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	161000000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.68
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	899000000	USD
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	2220000000	USD
CY2019	schw	Stock Option Exercises And Other StockOptionExercisesAndOther	118000000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	171000000	USD
CY2019	us-gaap	Stockholders Equity Other StockholdersEquityOther	-22000000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	21745000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	3299000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5306000000	USD
CY2020	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	21758000000	USD
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	4940000000	USD
CY2020	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	240000000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.72
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1040000000	USD
CY2020	schw	Stock Option Exercises And Other StockOptionExercisesAndOther	79000000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	192000000	USD
CY2020	us-gaap	Stockholders Equity Other StockholdersEquityOther	-21000000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	56060000000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	3299000000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	3704000000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	3507000000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	204000000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	183000000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	197000000	USD
CY2020	schw	Depreciation And Amortization Excluding Amortization Of Intangible Assets DepreciationAndAmortizationExcludingAmortizationOfIntangibleAssets	414000000	USD
CY2019	schw	Depreciation And Amortization Excluding Amortization Of Intangible Assets DepreciationAndAmortizationExcludingAmortizationOfIntangibleAssets	322000000	USD
CY2018	schw	Depreciation And Amortization Excluding Amortization Of Intangible Assets DepreciationAndAmortizationExcludingAmortizationOfIntangibleAssets	277000000	USD
CY2018	schw	Increase Decrease In Receivables From Brokerage Clients IncreaseDecreaseInReceivablesFromBrokerageClients	1100000000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	27000000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	29000000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-138000000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2000000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	49000000	USD
CY2020	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1586000000	USD
CY2019	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-446000000	USD
CY2018	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-350000000	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-349000000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-199000000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-137000000	USD
CY2020	schw	Increase Decrease In Investments Segregated And On Deposit For Regulatory Purposes IncreaseDecreaseInInvestmentsSegregatedAndOnDepositForRegulatoryPurposes	10208000000	USD
CY2019	schw	Increase Decrease In Investments Segregated And On Deposit For Regulatory Purposes IncreaseDecreaseInInvestmentsSegregatedAndOnDepositForRegulatoryPurposes	977000000	USD
CY2018	schw	Increase Decrease In Investments Segregated And On Deposit For Regulatory Purposes IncreaseDecreaseInInvestmentsSegregatedAndOnDepositForRegulatoryPurposes	-6922000000	USD
CY2020	schw	Increase Decrease In Receivables From Brokerage Clients IncreaseDecreaseInReceivablesFromBrokerageClients	14609000000	USD
CY2019	schw	Increase Decrease In Receivables From Brokerage Clients IncreaseDecreaseInReceivablesFromBrokerageClients	125000000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-4000000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	709000000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	8000000	USD
CY2020	us-gaap	Increase Decrease In Payables To Customers IncreaseDecreaseInPayablesToCustomers	22909000000	USD
CY2019	us-gaap	Increase Decrease In Payables To Customers IncreaseDecreaseInPayablesToCustomers	6494000000	USD
CY2018	us-gaap	Increase Decrease In Payables To Customers IncreaseDecreaseInPayablesToCustomers	1483000000	USD
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	2852000000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-241000000	USD
CY2018	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	613000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	6852000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	9325000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	12456000000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	202171000000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	31815000000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	32801000000	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	4801000000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	24495000000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	115000000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	63247000000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	21616000000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	16016000000	USD
CY2020	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	USD
CY2019	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	19441000000	USD
CY2018	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	40873000000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	0	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	19606000000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	17410000000	USD
CY2020	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	5675000000	USD
CY2019	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	1730000000	USD
CY2018	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	129000000	USD
CY2020	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	14748000000	USD
CY2019	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2018	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	631000000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	708000000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	570000000	USD
CY2020	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	26000000	USD
CY2019	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	27000000	USD
CY2018	us-gaap	Payments To Acquire Federal Home Loan Bank Stock PaymentsToAcquireFederalHomeLoanBankStock	156000000	USD
CY2020	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	32000000	USD
CY2019	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	24000000	USD
CY2018	us-gaap	Proceeds From Sale Of Federal Home Loan Bank Stock ProceedsFromSaleOfFederalHomeLoanBankStock	529000000	USD
CY2020	us-gaap	Payments To Acquire Federal Reserve Stock PaymentsToAcquireFederalReserveStock	191000000	USD
CY2019	us-gaap	Payments To Acquire Federal Reserve Stock PaymentsToAcquireFederalReserveStock	0	USD
CY2018	us-gaap	Payments To Acquire Federal Reserve Stock PaymentsToAcquireFederalReserveStock	0	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-15000000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	56000000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	96000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-125851000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	11964000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-40555000000	USD
CY2020	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	137928000000	USD
CY2019	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-11329000000	USD
CY2018	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	61767000000	USD
CY2020	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	0	USD
CY2019	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	0	USD
CY2018	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	15000000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	3070000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	593000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	3024000000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	700000000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	909000000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2220000000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1000000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	4940000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2020	us-gaap	Payments Of Dividends PaymentsOfDividends	1280000000	USD
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	1060000000	USD
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	787000000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	79000000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	118000000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	125000000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-55000000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-41000000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-54000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	143982000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-13939000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	47166000000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	24983000000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	7350000000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	19067000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	45577000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	38227000000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	19160000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	70560000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	45577000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	38227000000	USD
CY2020	schw	Securities Transferred From Held To Maturity To Available For Sale Fair Value SecuritiesTransferredFromHeldToMaturityToAvailableForSaleFairValue	136099000000	USD
CY2019	schw	Securities Transferred From Held To Maturity To Available For Sale Fair Value SecuritiesTransferredFromHeldToMaturityToAvailableForSaleFairValue	8771000000	USD
CY2018	schw	Securities Transferred From Held To Maturity To Available For Sale Fair Value SecuritiesTransferredFromHeldToMaturityToAvailableForSaleFairValue	0	USD
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	110000000	USD
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	45000000	USD
CY2018	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	6000000	USD
CY2020	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	21758000000	USD
CY2019	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	0	USD
CY2018	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	0	USD
CY2020	schw	Finance Lease Extinguishment FinanceLeaseExtinguishment	0	USD
CY2019	schw	Finance Lease Extinguishment FinanceLeaseExtinguishment	52000000	USD
CY2018	schw	Finance Lease Extinguishment FinanceLeaseExtinguishment	0	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	434000000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	1075000000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	798000000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	803000000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	1199000000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	927000000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	163000000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	133000000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	160000000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	97000000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	40348000000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	29345000000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	27938000000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	30212000000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	16232000000	USD
CY2018Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	10289000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	70560000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	45577000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	38227000000	USD
CY2020Q4	schw	Minimum Number Of Domestic Branch Offices MinimumNumberOfDomesticBranchOffices	400	branch
CY2020Q4	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	48	state
CY2020	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Reclassifications: </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Certain prior year amounts have been reclassified to conform to the current year presentation. Beginning in 2020, order flow revenue was reclassified from other revenue to trading revenue in the consolidated statements of income. Beginning in 2020, amortization of acquired intangible assets was reclassified from depreciation and amortization and presented separately in the consolidated statements of income. Beginning in 2020, acquired intangible assets – net was reclassified from other assets and presented separately in the consolidated balance sheets. Prior period amounts have been reclassified to reflect these changes. Corresponding presentation changes have been made to the consolidated statements of cash flows and related notes.</span>
CY2020Q4	schw	Number Of Portfolio Segments NumberOfPortfolioSegments	3	Segments
CY2020Q4	schw	Number Of Classes Of Financing Receivables NumberOfClassesOfFinancingReceivables	2	class
CY2020Q4	schw	Insured Deposit Account Agreement Service Fee InsuredDepositAccountAgreementServiceFee	0.0015
CY2020Q4	schw	Insured Deposit Account Agreement Service Fee InsuredDepositAccountAgreementServiceFee	0.0025
CY2020	us-gaap	Interest Income Operating InterestIncomeOperating	6531000000	USD
CY2019	us-gaap	Interest Income Operating InterestIncomeOperating	7580000000	USD
CY2018	us-gaap	Interest Income Operating InterestIncomeOperating	6680000000	USD
CY2020	us-gaap	Interest Expense InterestExpense	418000000	USD
CY2019	us-gaap	Interest Expense InterestExpense	1064000000	USD
CY2018	us-gaap	Interest Expense InterestExpense	857000000	USD
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	6113000000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	6516000000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	5823000000	USD
CY2020	us-gaap	Other Income OtherIncome	332000000	USD
CY2019	us-gaap	Other Income OtherIncome	242000000	USD
CY2018	us-gaap	Other Income OtherIncome	178000000	USD
CY2020	us-gaap	Revenues Revenues	11691000000	USD
CY2019	us-gaap	Revenues Revenues	10721000000	USD
CY2018	us-gaap	Revenues Revenues	10132000000	USD
CY2020Q4	schw	Margin Loans To Brokerage Clients Net MarginLoansToBrokerageClientsNet	60865000000	USD
CY2019Q4	schw	Margin Loans To Brokerage Clients Net MarginLoansToBrokerageClientsNet	19474000000	USD
CY2020Q4	schw	Other Receivables From Brokerage Clients OtherReceivablesFromBrokerageClients	3575000000	USD
CY2019Q4	schw	Other Receivables From Brokerage Clients OtherReceivablesFromBrokerageClients	2293000000	USD
CY2020Q4	us-gaap	Receivables From Customers ReceivablesFromCustomers	64440000000	USD
CY2019Q4	us-gaap	Receivables From Customers ReceivablesFromCustomers	21767000000	USD
CY2020Q4	schw	Interest Bearing Payables To Brokerage Clients InterestBearingPayablesToBrokerageClients	84642000000	USD
CY2019Q4	schw	Interest Bearing Payables To Brokerage Clients InterestBearingPayablesToBrokerageClients	29009000000	USD
CY2020Q4	schw	Noninterest Bearing Payables To Brokerage Clients NoninterestBearingPayablesToBrokerageClients	19559000000	USD
CY2019Q4	schw	Noninterest Bearing Payables To Brokerage Clients NoninterestBearingPayablesToBrokerageClients	10211000000	USD
CY2020Q4	srt	Payables To Customers PayablesToCustomers	104201000000	USD
CY2019Q4	srt	Payables To Customers PayablesToCustomers	39220000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	330248000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	7799000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	647000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	337400000000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	61155000000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	407000000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	140000000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	61422000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	134706000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	1758000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	365000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	136099000000	USD
CY2019Q4	us-gaap	Assets Assets	294000000000.0	USD
CY2020Q1	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	134700000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	1400000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	63104000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	564000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	10596000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	83000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	73700000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	647000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	17493000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	100000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	8133000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	40000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	25626000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	140000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	23690000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	163000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	21808000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	202000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	45498000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	365000000	USD
CY2019Q4	schw	Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value SecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	41183000000	USD
CY2019Q4	schw	Securities Continuous Unrealized Loss Position Less Than Twelve Months Aggregate Loss SecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsAggregateLoss	263000000	USD
CY2019Q4	schw	Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value SecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	29941000000	USD
CY2019Q4	schw	Securities Continuous Unrealized Loss Position Twelve Months Or Longer Aggregate Loss SecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerAggregateLoss	242000000	USD
CY2019Q4	schw	Securities With Unrealized Losses Total Fair Value SecuritiesWithUnrealizedLossesTotalFairValue	71124000000	USD
CY2019Q4	schw	Securities With Unrealized Losses Total Unrealized Loss SecuritiesWithUnrealizedLossesTotalUnrealizedLoss	505000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Writeoff DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff	0	USD
CY2020	schw	Debt Securities Availablefor Sale Writedown To Fair Value DebtSecuritiesAvailableforSaleWritedownToFairValue	0	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2019	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale	0	USD
CY2018	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale	0	USD
CY2020Q4	schw	Debt Securities Availablefor Sale Accrued Interestafter Allowancefor Credit Loss DebtSecuritiesAvailableforSaleAccruedInterestafterAllowanceforCreditLoss	634000000	USD
CY2019Q4	schw	Debt Securities Availablefor Sale And Heldto Maturity Accrued Interest After Allowancefor Credit Loss DebtSecuritiesAvailableforSaleAndHeldtoMaturityAccruedInterestAfterAllowanceforCreditLoss	471000000	USD
CY2020	schw	Debt Securities Availablefor Sale Accrued Interest Writeoff DebtSecuritiesAvailableforSaleAccruedInterestWriteoff	0	USD
CY2019	schw	Debt Securities Availablefor Sale Accrued Interest Writeoff DebtSecuritiesAvailableforSaleAccruedInterestWriteoff	0	USD
CY2019	schw	Debt Securities Heldto Maturity Accrued Interest Writeoff DebtSecuritiesHeldtoMaturityAccruedInterestWriteoff	0	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	16146000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	36540000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	70971000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	213743000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	337400000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	16080000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	35119000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	68080000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	210969000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	330248000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Maturity Within One Year Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityWithinOneYearWeightedAverageYield	0.0101
CY2020Q4	us-gaap	Debt Securities Available For Sale Maturity After One Through Five Years Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityAfterOneThroughFiveYearsWeightedAverageYield	0.0209
CY2020Q4	us-gaap	Debt Securities Available For Sale Maturity After Five Through Ten Years Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityAfterFiveThroughTenYearsWeightedAverageYield	0.0181
CY2020Q4	us-gaap	Debt Securities Available For Sale Maturity After10 Years Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityAfter10YearsWeightedAverageYield	0.0110
CY2020Q4	schw	Availableforsale Securities Debt Securities Weighted Average Yield AvailableforsaleSecuritiesDebtSecuritiesWeightedAverageYield	0.0135
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	4801000000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	24495000000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	115000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	5000000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	16000000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	1000000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	10000000	USD
CY2018	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	23709000000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	134000000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	23843000000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	30000000	USD
CY2020Q4	us-gaap	Notes Receivable Net NotesReceivableNet	23813000000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	18173000000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	57000000	USD
CY2019Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	18230000000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	18000000	USD
CY2019Q4	us-gaap	Notes Receivable Net NotesReceivableNet	18212000000	USD
CY2019Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	18000000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	21000000	USD
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	26000000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	0	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	0	USD
CY2018	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1000000	USD
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1000000	USD
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2000000	USD
CY2018	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2000000	USD
CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	10000000	USD
CY2019	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-5000000	USD
CY2018	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-6000000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	30000000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	18000000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	21000000	USD
CY2020Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	1000000	USD
CY2019Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	2000000	USD
CY2020Q4	schw	Financing Receivable Nonperforming And Troubled Debt Restructuring FinancingReceivableNonperformingAndTroubledDebtRestructuring	91000000	USD
CY2019Q4	schw	Financing Receivable Nonperforming And Troubled Debt Restructuring FinancingReceivableNonperformingAndTroubledDebtRestructuring	25000000	USD
CY2020Q4	schw	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	43000000	USD
CY2019Q4	schw	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	46000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	5550000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	4364000000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	2667000000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	2236000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2883000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2128000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	10507000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	516000000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	9991000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	454000000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	326000000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	128000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	615000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	596000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	534000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	518000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	512000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	7139000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	9914000000	USD
CY2020Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	77000000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	1227000000	USD
CY2019	schw	Goodwill Acquired And Other Changes During Period GoodwillAcquiredAndOtherChangesDuringPeriod	0	USD
CY2019Q4	us-gaap	Goodwill Goodwill	1227000000	USD
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	510000000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	11952000000	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q4	us-gaap	Other Receivables From Broker Dealers And Clearing Organizations OtherReceivablesFromBrokerDealersAndClearingOrganizations	1748000000	USD
CY2019Q4	us-gaap	Other Receivables From Broker Dealers And Clearing Organizations OtherReceivablesFromBrokerDealersAndClearingOrganizations	235000000	USD
CY2020Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	1180000000	USD
CY2019Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	788000000	USD
CY2020Q4	us-gaap	Other Investments OtherInvestments	1019000000	USD
CY2019Q4	us-gaap	Other Investments OtherInvestments	633000000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	937000000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	577000000	USD
CY2020Q4	us-gaap	Securities Borrowed SecuritiesBorrowed	873000000	USD
CY2019Q4	us-gaap	Securities Borrowed SecuritiesBorrowed	735000000	USD
CY2020Q4	us-gaap	Investment Owned At Fair Value InvestmentOwnedAtFairValue	687000000	USD
CY2019Q4	us-gaap	Investment Owned At Fair Value InvestmentOwnedAtFairValue	718000000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	579000000	USD
CY2019Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	356000000	USD
CY2020Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	303000000	USD
CY2019Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	281000000	USD
CY2020Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	457000000	USD
CY2019Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	264000000	USD
CY2020Q4	us-gaap	Other Assets OtherAssets	7783000000	USD
CY2019Q4	us-gaap	Other Assets OtherAssets	4587000000	USD
CY2020Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	191000000	USD
CY2020Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	303000000	USD
CY2019Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	281000000	USD
CY2020	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	63000000	USD
CY2019	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	55000000	USD
CY2020Q4	schw	Brokerage Account Sweep Deposits BrokerageAccountSweepDeposits	332513000000	USD
CY2019Q4	schw	Brokerage Account Sweep Deposits BrokerageAccountSweepDeposits	201531000000	USD
CY2020Q4	us-gaap	Demand Deposit Accounts DemandDepositAccounts	17785000000	USD
CY2019Q4	us-gaap	Demand Deposit Accounts DemandDepositAccounts	12650000000	USD
CY2020Q4	schw	Savings And Other SavingsAndOther	6739000000	USD
CY2019Q4	schw	Savings And Other SavingsAndOther	5168000000	USD
CY2020Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	357037000000	USD
CY2019Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	219349000000	USD
CY2020Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	985000000	USD
CY2019Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	745000000	USD
CY2020Q4	us-gaap	Deposits Deposits	358022000000	USD
CY2019Q4	us-gaap	Deposits Deposits	220094000000	USD
CY2020Q4	us-gaap	Senior Notes SeniorNotes	9881000000	USD
CY2019Q4	us-gaap	Senior Notes SeniorNotes	7481000000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	6000000	USD
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	0	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount Premium Net DebtInstrumentUnamortizedDiscountPremiumNet	-249000000	USD
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CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	54000000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	37000000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	13632000000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	7430000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	802000000	USD
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CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1008000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	2225000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	1802000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	6700000000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	13437000000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	249000000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	54000000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	13632000000	USD
CY2020Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	191000000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	937000000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	577000000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1033000000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	650000000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	166000000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	137000000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	34000000	USD
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	34000000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	146000000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y7D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y1M24D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0286
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0342
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	182000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	193000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	166000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	134000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	117000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	340000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1132000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	99000000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1033000000	USD
CY2020Q4	schw	Lessee Operating Lease Lease Notyet Commenced LesseeOperatingLeaseLeaseNotyetCommenced	24000000	USD
CY2020	schw	Financing Receivable Commitments To Purchaseor Sell FinancingReceivableCommitmentsToPurchaseorSell	10058000000	USD
CY2019	schw	Financing Receivable Commitments To Purchaseor Sell FinancingReceivableCommitmentsToPurchaseorSell	12274000000	USD
CY2020Q4	schw	Letterof Credit Current Borrowing Capacity LetterofCreditCurrentBorrowingCapacity	15000000	USD
CY2020Q4	schw	Insured Deposit Account Agreement Reduction In Deposit Balance Over12 Month Period InsuredDepositAccountAgreementReductionInDepositBalanceOver12MonthPeriod	10000000000	USD
CY2020Q4	schw	Insured Deposit Account Agreement Floor Amount InsuredDepositAccountAgreementFloorAmount	50000000000	USD
CY2020Q4	schw	Insured Deposit Account Agreement Percentage Of Fixed Rate Investments InsuredDepositAccountAgreementPercentageOfFixedRateInvestments	0.80
CY2020Q4	schw	Insured Deposit Account Agreement Balance InsuredDepositAccountAgreementBalance	144600000000	USD
CY2020Q4	schw	Insured Deposit Account Agreement Balance InsuredDepositAccountAgreementBalance	154100000000	USD
CY2020	schw	Restructuring Charges Gross RestructuringChargesGross	186000000	USD
CY2019Q4	us-gaap	Restructuring Reserve RestructuringReserve	0	USD
CY2020	schw	Restructuring Charges Exit Liabilities Assumed In Business Combination Post Closing Adjustments RestructuringChargesExitLiabilitiesAssumedInBusinessCombinationPostClosingAdjustments	23000000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	176000000	USD
CY2020	us-gaap	Payments For Restructuring PaymentsForRestructuring	89000000	USD
CY2020Q4	us-gaap	Restructuring Reserve RestructuringReserve	110000000	USD
CY2020	schw	Restructuring And Related Costs Cumulative Incurred Costs RestructuringAndRelatedCostsCumulativeIncurredCosts	186000000	USD
CY2020Q4	us-gaap	Securities Purchased Under Agreements To Resell Gross SecuritiesPurchasedUnderAgreementsToResellGross	14904000000	USD
CY2020Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	0	USD
CY2020Q4	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	14904000000	USD
CY2020Q4	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnSecurities	0	USD
CY2020Q4	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Cash SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnCash	14904000000	USD
CY2020Q4	us-gaap	Securities Purchased Under Agreements To Resell Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellAmountOffsetAgainstCollateral	0	USD
CY2020Q4	us-gaap	Securities Borrowed Gross SecuritiesBorrowedGross	873000000	USD
CY2020Q4	us-gaap	Securities Borrowed Liability SecuritiesBorrowedLiability	0	USD
CY2020Q4	us-gaap	Securities Borrowed SecuritiesBorrowed	873000000	USD
CY2020Q4	us-gaap	Securities Borrowed Collateral Obligation To Return Securities SecuritiesBorrowedCollateralObligationToReturnSecurities	673000000	USD
CY2020Q4	us-gaap	Securities Borrowed Collateral Obligation To Return Cash SecuritiesBorrowedCollateralObligationToReturnCash	195000000	USD
CY2020Q4	us-gaap	Securities Borrowed Amount Offset Against Collateral SecuritiesBorrowedAmountOffsetAgainstCollateral	5000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	15777000000	USD
CY2020Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability	0	USD
CY2020Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowed	15777000000	USD
CY2020Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	673000000	USD
CY2020Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	15099000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	5000000	USD
CY2020Q4	us-gaap	Securities Loaned Gross SecuritiesLoanedGross	7549000000	USD
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned	0	USD
CY2020Q4	us-gaap	Securities Loaned SecuritiesLoaned	7549000000	USD
CY2020Q4	us-gaap	Securities Loaned Collateral Right To Reclaim Securities SecuritiesLoanedCollateralRightToReclaimSecurities	673000000	USD
CY2020Q4	us-gaap	Securities Loaned Collateral Right To Reclaim Cash SecuritiesLoanedCollateralRightToReclaimCash	6049000000	USD
CY2020Q4	us-gaap	Securities Loaned Amount Offset Against Collateral SecuritiesLoanedAmountOffsetAgainstCollateral	827000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	7549000000	USD
CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned	0	USD
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	7549000000	USD
CY2020Q4	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	673000000	USD
CY2020Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	6049000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	827000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Gross SecuritiesPurchasedUnderAgreementsToResellGross	9028000000	USD
CY2019Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	0	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	9028000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnSecurities	0	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Cash SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnCash	9028000000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellAmountOffsetAgainstCollateral	0	USD
CY2019Q4	us-gaap	Securities Borrowed Gross SecuritiesBorrowedGross	735000000	USD
CY2019Q4	us-gaap	Securities Borrowed Liability SecuritiesBorrowedLiability	0	USD
CY2019Q4	us-gaap	Securities Borrowed SecuritiesBorrowed	735000000	USD
CY2019Q4	us-gaap	Securities Borrowed Collateral Obligation To Return Securities SecuritiesBorrowedCollateralObligationToReturnSecurities	730000000	USD
CY2019Q4	us-gaap	Securities Borrowed Collateral Obligation To Return Cash SecuritiesBorrowedCollateralObligationToReturnCash	5000000	USD
CY2019Q4	us-gaap	Securities Borrowed Amount Offset Against Collateral SecuritiesBorrowedAmountOffsetAgainstCollateral	0	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	9763000000	USD
CY2019Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability	0	USD
CY2019Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowed	9763000000	USD
CY2019Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	730000000	USD
CY2019Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	9033000000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	0	USD
CY2019Q4	us-gaap	Securities Loaned Gross SecuritiesLoanedGross	1251000000	USD
CY2019Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned	0	USD
CY2019Q4	us-gaap	Securities Loaned SecuritiesLoaned	1251000000	USD
CY2019Q4	us-gaap	Securities Loaned Collateral Right To Reclaim Securities SecuritiesLoanedCollateralRightToReclaimSecurities	730000000	USD
CY2019Q4	us-gaap	Securities Loaned Collateral Right To Reclaim Cash SecuritiesLoanedCollateralRightToReclaimCash	445000000	USD
CY2019Q4	us-gaap	Securities Loaned Amount Offset Against Collateral SecuritiesLoanedAmountOffsetAgainstCollateral	76000000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	1251000000	USD
CY2019Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoaned	0	USD
CY2019Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	1251000000	USD
CY2019Q4	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	730000000	USD
CY2019Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	445000000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	76000000	USD
CY2020Q4	us-gaap	Fair Value Of Securities Received As Collateral That Can Be Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged	84006000000	USD
CY2019Q4	us-gaap	Fair Value Of Securities Received As Collateral That Can Be Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged	26685000000	USD
CY2020Q4	us-gaap	Fair Value Of Securities Received As Collateral That Have Been Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged	23018000000	USD
CY2019Q4	us-gaap	Fair Value Of Securities Received As Collateral That Have Been Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged	5481000000	USD
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
CY2019	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	55000000	shares
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	2200000000	USD
CY2018	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	22000000	shares
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1000000000.0	USD
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	9940000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	9940000	shares
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	1811000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	1811000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	1761000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	1761000	shares
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue	7733000000	USD
CY2019Q4	us-gaap	Preferred Stock Value PreferredStockValue	2793000000	USD
CY2020	us-gaap	Dividends Preferred Stock DividendsPreferredStock	240200000	USD
CY2019	us-gaap	Dividends Preferred Stock DividendsPreferredStock	161400000	USD
CY2018	us-gaap	Dividends Preferred Stock DividendsPreferredStock	163600000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	6961000000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1658000000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	5303000000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	430000000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	102000000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	328000000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-123000000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-30000000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-93000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	4000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	1000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	3000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	6000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	1000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	5000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
CY2020	schw	Other Comprehensive Loss Heldtomaturity Security Transferred From Availablefor Sale Amortization Before Tax OtherComprehensiveLossHeldtomaturitySecurityTransferredFromAvailableforSaleAmortizationBeforeTax	0	USD
CY2020	schw	Other Comprehensive Loss Heldtomaturity Security Transferred From Availablefor Sale Amortization Tax OtherComprehensiveLossHeldtomaturitySecurityTransferredFromAvailableforSaleAmortizationTax	0	USD
CY2020	schw	Other Comprehensive Loss Heldtomaturity Security Transferred From Availablefor Sale Amortization Netof Tax OtherComprehensiveLossHeldtomaturitySecurityTransferredFromAvailableforSaleAmortizationNetofTax	0	USD
CY2019	schw	Other Comprehensive Loss Heldtomaturity Security Transferred From Availablefor Sale Amortization Before Tax OtherComprehensiveLossHeldtomaturitySecurityTransferredFromAvailableforSaleAmortizationBeforeTax	-36000000	USD
CY2019	schw	Other Comprehensive Loss Heldtomaturity Security Transferred From Availablefor Sale Amortization Tax OtherComprehensiveLossHeldtomaturitySecurityTransferredFromAvailableforSaleAmortizationTax	-9000000	USD
CY2019	schw	Other Comprehensive Loss Heldtomaturity Security Transferred From Availablefor Sale Amortization Netof Tax OtherComprehensiveLossHeldtomaturitySecurityTransferredFromAvailableforSaleAmortizationNetofTax	-27000000	USD
CY2018	schw	Other Comprehensive Loss Heldtomaturity Security Transferred From Availablefor Sale Amortization Before Tax OtherComprehensiveLossHeldtomaturitySecurityTransferredFromAvailableforSaleAmortizationBeforeTax	-35000000	USD
CY2018	schw	Other Comprehensive Loss Heldtomaturity Security Transferred From Availablefor Sale Amortization Tax OtherComprehensiveLossHeldtomaturitySecurityTransferredFromAvailableforSaleAmortizationTax	-8000000	USD
CY2018	schw	Other Comprehensive Loss Heldtomaturity Security Transferred From Availablefor Sale Amortization Netof Tax OtherComprehensiveLossHeldtomaturitySecurityTransferredFromAvailableforSaleAmortizationNetofTax	-27000000	USD
CY2020	schw	Other Comprehensive Income Other Before Tax OtherComprehensiveIncomeOtherBeforeTax	8000000	USD
CY2020	schw	Other Comprehensive Income Other Tax OtherComprehensiveIncomeOtherTax	2000000	USD
CY2020	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	6000000	USD
CY2019	schw	Other Comprehensive Income Other Before Tax OtherComprehensiveIncomeOtherBeforeTax	-14000000	USD
CY2019	schw	Other Comprehensive Income Other Tax OtherComprehensiveIncomeOtherTax	-4000000	USD
CY2019	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	-10000000	USD
CY2018	schw	Other Comprehensive Income Other Before Tax OtherComprehensiveIncomeOtherBeforeTax	-1000000	USD
CY2018	schw	Other Comprehensive Income Other Tax OtherComprehensiveIncomeOtherTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	-1000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	6965000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	1659000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5306000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	446000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	106000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	340000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-89000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-22000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-67000000	USD
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-152000000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-252000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	88000000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	5394000000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	204000000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	183000000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	197000000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	49000000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	44000000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	47000000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	62000000	shares
CY2020Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	289000000	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	26000000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	32.10
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y9M
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	403000000	USD
CY2020	schw	Share Based Compensation Arrangement By Share Based Payment Award Options Converted In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsConvertedInPeriod	1000000	shares
CY2020	schw	Share Based Compensation Arrangements By Share Based Payment Award Options Converted In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsConvertedInPeriodWeightedAverageExercisePrice	25.81
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	1000000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	41.45
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	4000000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	23.10
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	44.04
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	43.83
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	24000000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	33.67
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y4M9D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	452000000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	24000000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	33.67
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P5Y4M9D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	452000000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	19000000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice	30.51
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P4Y7M20D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	414000000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	500000	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	11.56
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	11.97
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	14.16
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	79000000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	118000000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	125000000	USD
CY2020	us-gaap	Deferred Tax Expense From Stock Options Exercised DeferredTaxExpenseFromStockOptionsExercised	11000000	USD
CY2019	us-gaap	Deferred Tax Expense From Stock Options Exercised DeferredTaxExpenseFromStockOptionsExercised	17000000	USD
CY2018	us-gaap	Deferred Tax Expense From Stock Options Exercised DeferredTaxExpenseFromStockOptionsExercised	35000000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	71000000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	108000000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	189000000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0208
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0185
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0142
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.36
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.30
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.33
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.010
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.025
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.030
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	136000000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	118000000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	105000000	USD
CY2020Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	176000000	USD
CY2019Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	164000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	83000000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	56000000	USD
CY2020	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	17000000	USD
CY2019	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	13000000	USD
CY2020	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	8000000	USD
CY2019	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-14000000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	92000000	USD
CY2019Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	83000000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	967000000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	958000000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	847000000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	172000000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	184000000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	159000000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1139000000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1142000000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1006000000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-113000000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	3000000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	42000000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-25000000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1000000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	7000000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-138000000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2000000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	49000000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1001000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1144000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1055000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Severance Payments DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsSeverancePayments	271000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Severance Payments DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsSeverancePayments	154000000	USD
CY2020Q4	schw	Deferred Tax Assets Operating Lease Liabilities DeferredTaxAssetsOperatingLeaseLiabilities	249000000	USD
CY2019Q4	schw	Deferred Tax Assets Operating Lease Liabilities DeferredTaxAssetsOperatingLeaseLiabilities	159000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Returns And Allowances DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances	70000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Returns And Allowances DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances	14000000	USD
CY2020Q4	schw	Deferred Tax Assets Debt Fair Value Remeasurement DeferredTaxAssetsDebtFairValueRemeasurement	67000000	USD
CY2019Q4	schw	Deferred Tax Assets Debt Fair Value Remeasurement DeferredTaxAssetsDebtFairValueRemeasurement	0	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	37000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	22000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	8000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	6000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	702000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	355000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	8000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	3000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	694000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	352000000	USD
CY2020Q4	schw	Deferred Tax Liabilities Amortization Of Intangible Asset DeferredTaxLiabilitiesAmortizationOfIntangibleAsset	1954000000	USD
CY2019Q4	schw	Deferred Tax Liabilities Amortization Of Intangible Asset DeferredTaxLiabilitiesAmortizationOfIntangibleAsset	51000000	USD
CY2020Q4	schw	Deferred Tax Liabilities Unrealized Gains On Available For Sale Securities DeferredTaxLiabilitiesUnrealizedGainsOnAvailableForSaleSecurities	1686000000	USD
CY2019Q4	schw	Deferred Tax Liabilities Unrealized Gains On Available For Sale Securities DeferredTaxLiabilitiesUnrealizedGainsOnAvailableForSaleSecurities	28000000	USD
CY2020Q4	schw	Deferred Tax Liabilities Operating Lease Right Of Use Asset DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset	233000000	USD
CY2019Q4	schw	Deferred Tax Liabilities Operating Lease Right Of Use Asset DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset	146000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Software DeferredTaxLiabilitiesDeferredExpenseCapitalizedSoftware	101000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Software DeferredTaxLiabilitiesDeferredExpenseCapitalizedSoftware	97000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Other Capitalized Costs DeferredTaxLiabilitiesDeferredExpenseOtherCapitalizedCosts	72000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Other Capitalized Costs DeferredTaxLiabilitiesDeferredExpenseOtherCapitalizedCosts	68000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	69000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	62000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	41000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	10000000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	4156000000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	462000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	3462000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	110000000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.032
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.032
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.030
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.003
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.005
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.010
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.006
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.001
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.233
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.236
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.231
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	101000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	112000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	15000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	3000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	3000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	4000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Acquisition UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition	200000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Acquisition UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	7000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	2000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	24000000	USD
CY2020Q4	srt	Net Capital NetCapital	3117000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	14000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	40000000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	2000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	248000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	101000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	248000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	101000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	202000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	97000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	58000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	11000000	USD
CY2019Q4	schw	Average Reserve Required With Federal Reserve Bank AverageReserveRequiredWithFederalReserveBank	1500000000	USD
CY2019Q4	srt	Net Capital NetCapital	3700000000	USD
CY2020Q4	srt	Minimum Net Capital Required1 MinimumNetCapitalRequired1	1000000.000	USD
CY2019Q4	srt	Minimum Net Capital Required1 MinimumNetCapitalRequired1	250000	USD
CY2020Q4	srt	Two Percent Of Debit Items TwoPercentOfDebitItems	616000000	USD
CY2019Q4	srt	Two Percent Of Debit Items TwoPercentOfDebitItems	446000000	USD
CY2020Q4	srt	Alternative Excess Net Capital AlternativeExcessNetCapital	2501000000	USD
CY2019Q4	srt	Alternative Excess Net Capital AlternativeExcessNetCapital	3254000000	USD
CY2020Q4	us-gaap	Cash And Securities Segregated Under Securities Exchange Commission Regulation CashAndSecuritiesSegregatedUnderSecuritiesExchangeCommissionRegulation	39200000000	USD
CY2019Q4	us-gaap	Cash And Securities Segregated Under Securities Exchange Commission Regulation CashAndSecuritiesSegregatedUnderSecuritiesExchangeCommissionRegulation	23000000000.0	USD
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	6113000000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	6516000000	USD
CY2018	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	5823000000	USD
CY2020	us-gaap	Other Income OtherIncome	332000000	USD
CY2019	us-gaap	Other Income OtherIncome	242000000	USD
CY2018	us-gaap	Other Income OtherIncome	178000000	USD
CY2020	us-gaap	Revenues Revenues	11691000000	USD
CY2019	us-gaap	Revenues Revenues	10721000000	USD
CY2018	us-gaap	Revenues Revenues	10132000000	USD
CY2020	us-gaap	Noninterest Expense NoninterestExpense	7391000000	USD
CY2019	us-gaap	Noninterest Expense NoninterestExpense	5873000000	USD
CY2018	us-gaap	Noninterest Expense NoninterestExpense	5570000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4300000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4848000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4562000000	USD
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	741000000	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	753000000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	576000000	USD
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	414000000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	322000000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	277000000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	190000000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	27000000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	29000000	USD
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	22000000	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	21000000	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	18000000	shares
CY2020Q4	us-gaap	Revenues Revenues	4176000000	USD
CY2020Q3	us-gaap	Revenues Revenues	2448000000	USD
CY2020Q2	us-gaap	Revenues Revenues	2450000000	USD
CY2020Q1	us-gaap	Revenues Revenues	2617000000	USD
CY2020Q4	us-gaap	Noninterest Expense NoninterestExpense	2700000000	USD
CY2020Q3	us-gaap	Noninterest Expense NoninterestExpense	1559000000	USD
CY2020Q2	us-gaap	Noninterest Expense NoninterestExpense	1562000000	USD
CY2020Q1	us-gaap	Noninterest Expense NoninterestExpense	1570000000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	1135000000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	698000000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	671000000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	795000000	USD
CY2020Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1050000000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	615000000	USD
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	621000000	USD
CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	757000000	USD
CY2020Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1848000000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1289000000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1288000000	shares
CY2020Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1287000000	shares
CY2020Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1855000000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1294000000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1294000000	shares
CY2020Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1294000000	shares
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.57
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.48
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.48
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.57
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.58
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.18
CY2019Q4	us-gaap	Revenues Revenues	2606000000	USD
CY2019Q3	us-gaap	Revenues Revenues	2711000000	USD
CY2019Q2	us-gaap	Revenues Revenues	2681000000	USD
CY2019Q1	us-gaap	Revenues Revenues	2723000000	USD
CY2019Q4	us-gaap	Noninterest Expense NoninterestExpense	1494000000	USD
CY2019Q3	us-gaap	Noninterest Expense NoninterestExpense	1475000000	USD
CY2019Q2	us-gaap	Noninterest Expense NoninterestExpense	1445000000	USD
CY2019Q1	us-gaap	Noninterest Expense NoninterestExpense	1459000000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	852000000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	951000000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	937000000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	964000000	USD
CY2019Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	801000000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	913000000	USD
CY2019Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	887000000	USD
CY2019Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	925000000	USD
CY2019Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1284000000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1300000000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1328000000	shares
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1333000000	shares
CY2019Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1293000000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1308000000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1337000000	shares
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1344000000	shares
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.62
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.70
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.67
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.69
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.62
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.70
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.66
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.69
CY2019Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.17
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.17
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.17
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.17

Files In Submission

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$SCHW
SCHWAB CHARLES CORP Stock $schw

2020 Q4 Form 10-K Financial Statement

#000031670921000012 Filed on February 24, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SCHW SCHWAB CHARLES CORP Stock $schw

2020 Q4 Form 10-K Financial Statement

#000031670921000012 Filed on February 24, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SCHW
SCHWAB CHARLES CORP Stock $schw