$AIG
AMERICAN INTERNATIONAL GROUP, INC. Stock $aig

$aig Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000110465922024701 Filed on February 17, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue	$14.09B	$52.06B	$9.676B
YoY Change	45.59%	19.03%	-18.1%
Cost Of Revenue		$24.39B
YoY Change		-1.69%
Gross Profit		$27.67B
YoY Change		46.16%
Gross Profit Margin		53.15%
Selling, General & Admin	$2.244B	$8.790B	$2.165B
YoY Change	3.65%	4.69%	0.37%
% of Gross Profit		31.77%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.043B	$4.562B	$897.0M
YoY Change	16.28%	8.93%	-23.53%
% of Gross Profit		16.49%
Operating Expenses	$11.44B	$8.790B	$10.01B
YoY Change	14.31%	4.69%	-3.13%
Operating Profit		$18.88B
YoY Change		79.22%
Interest Expense	-$297.0M	$1.305B	-$358.0M
YoY Change	-17.04%	-10.43%	-0.56%
% of Operating Profit		6.91%
Other Income/Expense, Net
YoY Change
Pretax Income	$5.048B	$12.10B	-$558.0M
YoY Change	-1004.66%	-265.9%	-153.86%
Income Tax	$942.0M	$2.176B	-$542.0M
% Of Pretax Income	18.66%	17.98%
Net Earnings	$3.746B	$9.388B	-$53.00M
YoY Change	-7167.92%	-257.94%	-105.71%
Net Earnings / Revenue	26.59%	18.03%	-0.55%
Basic Earnings Per Share		$10.95
Diluted Earnings Per Share	$4.425M	$10.82	-$61.06K
COMMON SHARES
Basic Shares Outstanding	830.3M shares	854.3M shares	861.5M shares
Diluted Shares Outstanding		864.9M shares

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$2.427B		$3.230B
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$1.712B	$1.000B	$1.840B
YoY Change	-6.96%	10.38%	-5.79%
Goodwill	$4.056B		$4.074B
YoY Change	-0.44%		0.89%
Intangibles	$300.0M		$319.0M
YoY Change	-5.96%		-4.2%
Long-Term Investments	$359.3B	$359.3B	$360.7B
YoY Change	-0.38%	-0.38%	6.83%
Other Assets	$11.75B	$11.75B	$12.85B
YoY Change	-8.57%	-8.57%	-4.05%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$596.1B	$596.1B	$586.5B
YoY Change	1.64%	1.64%	11.7%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses		$1.200B	$1.000B
YoY Change		20.0%	36.43%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$68.00M	$68.00M	$1.896B
YoY Change	-96.41%	-96.41%	23.44%
Total Short-Term Liabilities	$68.00M	$1.268B	$2.896B
YoY Change	-97.65%	-56.22%	27.63%
LONG-TERM LIABILITIES
Long-Term Debt	$30.10B	$30.10B	$35.64B
YoY Change	-15.55%	-15.55%	5.39%
Other Long-Term Liabilities	$28.70B	$27.50B	$26.12B
YoY Change	9.88%	5.29%	0.95%
Total Long-Term Liabilities	$58.80B	$57.60B	$61.76B
YoY Change	-4.79%	-6.74%	3.47%
TOTAL LIABILITIES
Total Short-Term Liabilities	$68.00M	$1.268B	$2.896B
Total Long-Term Liabilities	$58.80B	$57.60B	$61.76B
Total Liabilities	$527.2B	$530.2B	$519.3B
YoY Change	1.52%	1.93%	13.47%
SHAREHOLDERS EQUITY
Retained Earnings	$23.79B		$15.50B
YoY Change	53.41%		-32.84%
Common Stock	$86.62B		$86.18B
YoY Change	0.5%		0.08%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$51.62B		$49.32B
YoY Change	4.66%		0.68%
Treasury Stock Shares	1.088B shares		1.045B shares
Shareholders Equity	$65.96B	$65.96B	$66.36B
YoY Change
Total Liabilities & Shareholders Equity	$596.1B	$596.1B	$586.5B
YoY Change	1.64%	1.64%	11.7%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$3.746B	$9.388B	-$53.00M
YoY Change	-7167.92%	-257.94%	-105.71%
Depreciation, Depletion And Amortization	$1.043B	$4.562B	$897.0M
YoY Change	16.28%	8.93%	-23.53%
Cash From Operating Activities	$951.0M	$6.279B	-$1.194B
YoY Change	-179.65%	504.91%	491.09%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	-$356.0M	$995.0M	-$981.0M
YoY Change	-63.71%	-16683.33%	43.84%
Cash From Investing Activities	-$356.0M	-$3.280B	-$981.0M
YoY Change	-63.71%	-47.11%	43.84%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$2.592B
YoY Change		418.4%
Debt Paid & Issued, Net		$4.147B
YoY Change		115.65%
Cash From Financing Activities	-975.0M	-$3.735B	1.776B
YoY Change	-154.9%	-173.84%	318.87%
NET CHANGE
Cash From Operating Activities	951.0M	$6.279B	-1.194B
Cash From Investing Activities	-356.0M	-$3.280B	-981.0M
Cash From Financing Activities	-975.0M	-$3.735B	1.776B
Net Change In Cash	-380.0M	-$803.0M	-399.0M
YoY Change	-4.76%	1308.77%	-13.26%
FREE CASH FLOW
Cash From Operating Activities	$951.0M	$6.279B	-$1.194B
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	629000000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	814000000	USD
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	aig	Defined Contribution Plan Maximum Employer Contribution As Percentage Of Employee Eligible Compensation DefinedContributionPlanMaximumEmployerContributionAsPercentageOfEmployeeEligibleCompensation	0.03	pure
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Entity Shell Company EntityShellCompany	false
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CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	5000000000	shares
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	500
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	5
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CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherLiabilities
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CY2020Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherLiabilities
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAssets
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Entity File Number EntityFileNumber	1-8787
CY2021	dei	Entity Registrant Name EntityRegistrantName	American International Group, Inc.
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	13-2592361
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	1271 Avenue of the Americas
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	New York
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
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CY2021	dei	City Area Code CityAreaCode	212
CY2021	dei	Local Phone Number LocalPhoneNumber	770-7000
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CY2021	dei	Auditor Location AuditorLocation	New York, New York
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CY2020	us-gaap	Deferred Policy Acquisition Costs And Present Value Of Future Profits Amortization1 DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAmortization1	4211000000	USD
CY2019	us-gaap	Deferred Policy Acquisition Costs And Present Value Of Future Profits Amortization1 DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAmortization1	5164000000	USD
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	8790000000	USD
CY2020	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	8396000000	USD
CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	8537000000	USD
CY2021	us-gaap	Interest Expense InterestExpense	1305000000	USD
CY2020	us-gaap	Interest Expense InterestExpense	1457000000	USD
CY2019	us-gaap	Interest Expense InterestExpense	1417000000	USD
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CY2020	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	-8525000000	USD
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CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	5287000000	USD
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CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2176000000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1460000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1166000000	USD
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CY2020	us-gaap	Profit Loss ProfitLoss	-5829000000	USD
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CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	3326000000	USD
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CY2020	aig	Other Comprehensive Income Unrealized Holding Gain Loss On All Investments Other Than Investments On Which Other Than Temporary Impairments Were Taken After Taxes OtherComprehensiveIncomeUnrealizedHoldingGainLossOnAllInvestmentsOtherThanInvestmentsOnWhichOtherThanTemporaryImpairmentsWereTakenAfterTaxes	8354000000	USD
CY2019	aig	Other Comprehensive Income Unrealized Holding Gain Loss On All Investments Other Than Investments On Which Other Than Temporary Impairments Were Taken After Taxes OtherComprehensiveIncomeUnrealizedHoldingGainLossOnAllInvestmentsOtherThanInvestmentsOnWhichOtherThanTemporaryImpairmentsWereTakenAfterTaxes	5689000000	USD
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CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	359000000	USD
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CY2020	aig	Other Comprehensive Income Unrealized Holding Gain Loss On Fixed Maturity Investments On Which Other Than Temporary Impairments Were Taken After Taxes OtherComprehensiveIncomeUnrealizedHoldingGainLossOnFixedMaturityInvestmentsOnWhichOtherThanTemporaryImpairmentsWereTakenAfterTaxes	0	USD
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CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	485000000	USD
CY2019	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	-80000000	USD
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CY2020	us-gaap	Dividends Preferred Stock DividendsPreferredStock	29000000	USD
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CY2019	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	-75000000	USD
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CY2021	aig	Increase Decrease In Current And Deferred Income Taxes IncreaseDecreaseInCurrentAndDeferredIncomeTaxes	1314000000	USD
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CY2020	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	6871000000	USD
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CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	6279000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1038000000	USD
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CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	26098000000	USD
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CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	22145000000	USD
CY2021	us-gaap	Proceeds From Sale Of Trading Securities Heldforinvestment ProceedsFromSaleOfTradingSecuritiesHeldforinvestment	975000000	USD
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CY2019	us-gaap	Proceeds From Sale And Maturity Of Other Investments ProceedsFromSaleAndMaturityOfOtherInvestments	4185000000	USD
CY2021	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	4683000000	USD
CY2020	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	2173000000	USD
CY2019	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	2000000	USD
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	34765000000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	27620000000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	25488000000	USD
CY2021	aig	Payments Received On Mortgage And Other Loans Receivable PaymentsReceivedOnMortgageAndOtherLoansReceivable	8267000000	USD
CY2020	aig	Payments Received On Mortgage And Other Loans Receivable PaymentsReceivedOnMortgageAndOtherLoansReceivable	7805000000	USD
CY2019	aig	Payments Received On Mortgage And Other Loans Receivable PaymentsReceivedOnMortgageAndOtherLoansReceivable	5826000000	USD
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	74204000000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	58284000000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	54410000000	USD
CY2021	us-gaap	Payments To Acquire Trading Securities Heldforinvestment PaymentsToAcquireTradingSecuritiesHeldforinvestment	2034000000	USD
CY2020	us-gaap	Payments To Acquire Trading Securities Heldforinvestment PaymentsToAcquireTradingSecuritiesHeldforinvestment	617000000	USD
CY2019	us-gaap	Payments To Acquire Trading Securities Heldforinvestment PaymentsToAcquireTradingSecuritiesHeldforinvestment	1638000000	USD
CY2021	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	3168000000	USD
CY2020	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	3522000000	USD
CY2019	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	3346000000	USD
CY2021	aig	Mortgage And Other Loans Receivable Issued MortgageAndOtherLoansReceivableIssued	9013000000	USD
CY2020	aig	Mortgage And Other Loans Receivable Issued MortgageAndOtherLoansReceivableIssued	5990000000	USD
CY2019	aig	Mortgage And Other Loans Receivable Issued MortgageAndOtherLoansReceivableIssued	9515000000	USD
CY2021	aig	Increase Decrease In Short Term Investments Net IncreaseDecreaseInShortTermInvestmentsNet	-5088000000	USD
CY2020	aig	Increase Decrease In Short Term Investments Net IncreaseDecreaseInShortTermInvestmentsNet	4925000000	USD
CY2019	aig	Increase Decrease In Short Term Investments Net IncreaseDecreaseInShortTermInvestmentsNet	3633000000	USD
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	995000000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-6000000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-1503000000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3280000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-6202000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-5475000000	USD
CY2021	us-gaap	Additions To Contract Holders Funds AdditionsToContractHoldersFunds	25424000000	USD
CY2020	us-gaap	Additions To Contract Holders Funds AdditionsToContractHoldersFunds	22385000000	USD
CY2019	us-gaap	Additions To Contract Holders Funds AdditionsToContractHoldersFunds	25453000000	USD
CY2021	us-gaap	Withdrawal From Contract Holders Funds WithdrawalFromContractHoldersFunds	22481000000	USD
CY2020	us-gaap	Withdrawal From Contract Holders Funds WithdrawalFromContractHoldersFunds	17854000000	USD
CY2019	us-gaap	Withdrawal From Contract Holders Funds WithdrawalFromContractHoldersFunds	19823000000	USD
CY2021	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	485000000	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2592000000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	500000000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2021	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	29000000	USD
CY2020	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	29000000	USD
CY2019	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	22000000	USD
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1083000000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1103000000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1114000000	USD
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	1222000000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	541000000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	1600000000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-3735000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	5058000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	7258000000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-67000000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	49000000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	16000000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-803000000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-57000000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-8000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3230000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3287000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3358000000	USD
CY2021	aig	Disposal Group Including Discontinued Operation Cash Increase Decrease DisposalGroupIncludingDiscontinuedOperationCashIncreaseDecrease	0	USD
CY2020	aig	Disposal Group Including Discontinued Operation Cash Increase Decrease DisposalGroupIncludingDiscontinuedOperationCashIncreaseDecrease	0	USD
CY2019	aig	Disposal Group Including Discontinued Operation Cash Increase Decrease DisposalGroupIncludingDiscontinuedOperationCashIncreaseDecrease	-63000000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2427000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3230000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3287000000	USD
CY2021Q4	us-gaap	Cash Cash	2198000000	USD
CY2020Q4	us-gaap	Cash Cash	2827000000	USD
CY2019Q4	us-gaap	Cash Cash	2856000000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2427000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3230000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3287000000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	1348000000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	1147000000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	1326000000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	862000000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	975000000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	252000000	USD
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Investments Acquired1 NoncashOrPartNoncashAcquisitionInvestmentsAcquired1	2284000000	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Investments Acquired1 NoncashOrPartNoncashAcquisitionInvestmentsAcquired1	1140000000	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Investments Acquired1 NoncashOrPartNoncashAcquisitionInvestmentsAcquired1	1072000000	USD
CY2021	aig	Noncash Or Part Noncash Acquisition Investments Acquired During Reinsurance Transaction NoncashOrPartNoncashAcquisitionInvestmentsAcquiredDuringReinsuranceTransaction	161000000	USD
CY2020	aig	Noncash Or Part Noncash Acquisition Investments Acquired During Reinsurance Transaction NoncashOrPartNoncashAcquisitionInvestmentsAcquiredDuringReinsuranceTransaction	362000000	USD
CY2019	aig	Noncash Or Part Noncash Acquisition Investments Acquired During Reinsurance Transaction NoncashOrPartNoncashAcquisitionInvestmentsAcquiredDuringReinsuranceTransaction	0	USD
CY2021	aig	Noncash Or Part Noncash Securities Transferred In Connection With Reinsurance Transaction NoncashOrPartNoncashSecuritiesTransferredInConnectionWithReinsuranceTransaction	-837000000	USD
CY2020	aig	Noncash Or Part Noncash Securities Transferred In Connection With Reinsurance Transaction NoncashOrPartNoncashSecuritiesTransferredInConnectionWithReinsuranceTransaction	-266000000	USD
CY2019	aig	Noncash Or Part Noncash Securities Transferred In Connection With Reinsurance Transaction NoncashOrPartNoncashSecuritiesTransferredInConnectionWithReinsuranceTransaction	0	USD
CY2021	aig	Interest Credited To Policyholder Accounts Included In Financing Activities InterestCreditedToPolicyholderAccountsIncludedInFinancingActivities	3586000000	USD
CY2020	aig	Interest Credited To Policyholder Accounts Included In Financing Activities InterestCreditedToPolicyholderAccountsIncludedInFinancingActivities	3734000000	USD
CY2019	aig	Interest Credited To Policyholder Accounts Included In Financing Activities InterestCreditedToPolicyholderAccountsIncludedInFinancingActivities	3792000000	USD
CY2021	aig	Fee Income Debited To Policyholder Contract Deposits Included In Financing Activities FeeIncomeDebitedToPolicyholderContractDepositsIncludedInFinancingActivities	-1690000000	USD
CY2020	aig	Fee Income Debited To Policyholder Contract Deposits Included In Financing Activities FeeIncomeDebitedToPolicyholderContractDepositsIncludedInFinancingActivities	-1710000000	USD
CY2019	aig	Fee Income Debited To Policyholder Contract Deposits Included In Financing Activities FeeIncomeDebitedToPolicyholderContractDepositsIncludedInFinancingActivities	-1733000000	USD
CY2021Q4	us-gaap	Number Of Countries In Which Entity Operates NumberOfCountriesInWhichEntityOperates	70	item
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	2.50
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<p style="margin-top: 12.00pt; line-height: 13.00pt; margin-bottom: 6.00pt; text-align: left"><span style="font-family: 'Arial', 'sans-serif'; font-size: 9.00pt"> </span><span style="color: #1352DE; font-family: 'Arial', 'sans-serif'; font-weight: bold; font-size: 11.00pt; text-transform: uppercase">Use of Estimates</span></p><p style="margin-top: 0; line-height: 12.00pt; margin-bottom: 3.00pt; text-align: left"><span style="font-family: 'Arial', 'sans-serif'; font-size: 9.00pt">The preparation of financial statements in accordance with U.S. GAAP requires the application of accounting policies that often involve a significant degree of judgment. Accounting policies that we believe are most dependent on the application of estimates and assumptions are considered our critical accounting estimates and are related to the determination of:</span></p><p style="margin-top: 0; line-height: 12.00pt; margin-bottom: 3.00pt; margin-left: 0.25in; text-indent: -0.13in; text-align: left"><span style="color: #001871; font-family: Symbol; font-size: 9.00pt; display: inline-block; width: 0.09in"></span> <span style="font-family: 'Arial', 'sans-serif'; font-size: 9.00pt">loss reserves;</span></p><p style="margin-top: 0; line-height: 12.00pt; margin-bottom: 3.00pt; margin-left: 0.25in; text-indent: -0.13in; text-align: left"><span style="color: #001871; font-family: Symbol; font-size: 9.00pt; display: inline-block; width: 0.09in"></span> <span style="font-family: 'Arial', 'sans-serif'; font-size: 9.00pt">future policy benefit reserves for life and accident and health insurance contracts;</span></p><p style="margin-top: 0; line-height: 12.00pt; margin-bottom: 3.00pt; margin-left: 0.25in; text-indent: -0.13in; text-align: left"><span style="color: #001871; font-family: Symbol; font-size: 9.00pt; display: inline-block; width: 0.09in"></span> <span style="font-family: 'Arial', 'sans-serif'; font-size: 9.00pt">liabilities for guaranteed benefit features of variable annuity, fixed annuity and fixed index annuity products;</span></p><p style="margin-top: 0; line-height: 12.00pt; margin-bottom: 3.00pt; margin-left: 0.25in; text-indent: -0.13in; text-align: left"><span style="color: #001871; font-family: Symbol; font-size: 9.00pt; display: inline-block; width: 0.09in"></span> <span style="font-family: 'Arial', 'sans-serif'; font-size: 9.00pt">embedded derivative liabilities for fixed index annuity and life products;</span></p><p style="margin-top: 0; line-height: 12.00pt; margin-bottom: 3.00pt; margin-left: 0.25in; text-indent: -0.13in; text-align: left"><span style="color: #001871; font-family: Symbol; font-size: 9.00pt; display: inline-block; width: 0.09in"></span> <span style="font-family: 'Arial', 'sans-serif'; font-size: 9.00pt">estimated gross profits to value deferred acquisition costs and unearned revenue for investment-oriented products;</span></p><p style="margin-top: 0; line-height: 12.00pt; margin-bottom: 3.00pt; margin-left: 0.25in; text-indent: -0.13in; text-align: left"><span style="color: #001871; font-family: Symbol; font-size: 9.00pt; display: inline-block; width: 0.09in"></span> <span style="font-family: 'Arial', 'sans-serif'; font-size: 9.00pt">reinsurance assets, including the allowance for credit losses and disputes;</span></p><p style="margin-top: 0; line-height: 12.00pt; margin-bottom: 3.00pt; margin-left: 0.25in; text-indent: -0.13in; text-align: left"><span style="color: #001871; font-family: Symbol; font-size: 9.00pt; display: inline-block; width: 0.09in"></span> <span style="font-family: 'Arial', 'sans-serif'; font-size: 9.00pt">goodwill impairment;</span></p><p style="margin-top: 0; line-height: 12.00pt; margin-bottom: 3.00pt; margin-left: 0.25in; text-indent: -0.13in; text-align: left"><span style="color: #001871; font-family: Symbol; font-size: 9.00pt; display: inline-block; width: 0.09in"></span> <span style="font-family: 'Arial', 'sans-serif'; font-size: 9.00pt">allowance for credit losses on certain investments, primarily on loans and available for sale fixed maturity securities;</span></p><p style="margin-top: 0; line-height: 12.00pt; margin-bottom: 3.00pt; margin-left: 0.25in; text-indent: -0.13in; text-align: left"><span style="color: #001871; font-family: Symbol; font-size: 9.00pt; display: inline-block; width: 0.09in"></span> <span style="font-family: 'Arial', 'sans-serif'; font-size: 9.00pt">legal contingencies;</span></p><p style="margin-top: 0; line-height: 12.00pt; margin-bottom: 3.00pt; margin-left: 0.25in; text-indent: -0.13in; text-align: left"><span style="color: #001871; font-family: Symbol; font-size: 9.00pt; display: inline-block; width: 0.09in"></span> <span style="font-family: 'Arial', 'sans-serif'; font-size: 9.00pt">fair value measurements of certain financial assets and financial liabilities; and</span></p><p style="margin-top: 0; line-height: 12.00pt; margin-bottom: 3.00pt; margin-left: 0.25in; text-indent: -0.13in; text-align: left"><span style="color: #001871; font-family: Symbol; font-size: 9.00pt; display: inline-block; width: 0.09in"></span> <span style="font-family: 'Arial', 'sans-serif'; font-size: 9.00pt">income taxes, in particular the recoverability of our deferred tax asset and establishment of provisions for uncertain tax positions.</span></p><p style="margin-top: 9.00pt; line-height: 12.00pt; margin-bottom: 6.00pt; text-align: left"><span style="font-family: 'Arial', 'sans-serif'; font-size: 9.00pt">These accounting estimates require the use of assumptions about matters, some of which are highly uncertain at the time of estimation. To the extent actual experience differs from the assumptions used, our consolidated financial condition, results of operations and cash flows could be materially affected.</span></p>
CY2020Q4	us-gaap	Policyholder Contract Deposits PolicyholderContractDeposits	154500000000	USD
CY2020Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	56900000000	USD
CY2021	aig	Period Of Earnings Pattern Of Quota Share Reinsurance Contract PeriodOfEarningsPatternOfQuotaShareReinsuranceContract	P24M
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	928000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	1000000000.0	USD
CY2021	us-gaap	Revenues Revenues	52057000000	USD
CY2021	us-gaap	Net Investment Income NetInvestmentIncome	14612000000	USD
CY2021	us-gaap	Interest Expense InterestExpense	1305000000	USD
CY2021	us-gaap	Deferred Policy Acquisition Costs And Present Value Of Future Profits Amortization1 DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAmortization1	4573000000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	12099000000	USD
CY2020	us-gaap	Revenues Revenues	43736000000	USD
CY2020	us-gaap	Net Investment Income NetInvestmentIncome	13631000000	USD
CY2020	us-gaap	Interest Expense InterestExpense	1457000000	USD
CY2020	us-gaap	Deferred Policy Acquisition Costs And Present Value Of Future Profits Amortization1 DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAmortization1	4211000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-7293000000	USD
CY2019	us-gaap	Revenues Revenues	49746000000	USD
CY2019	us-gaap	Net Investment Income NetInvestmentIncome	14619000000	USD
CY2019	us-gaap	Interest Expense InterestExpense	1417000000	USD
CY2019	us-gaap	Deferred Policy Acquisition Costs And Present Value Of Future Profits Amortization1 DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAmortization1	5164000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	5287000000	USD
CY2021Q4	us-gaap	Assets Assets	596112000000	USD
CY2020Q4	us-gaap	Assets Assets	586481000000	USD
CY2021	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	343000000	USD
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	353000000	USD
CY2021	us-gaap	Revenues Revenues	52057000000	USD
CY2020	us-gaap	Revenues Revenues	43736000000	USD
CY2019	us-gaap	Revenues Revenues	49746000000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1712000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1840000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1953000000	USD
CY2021Q4	us-gaap	Alternative Investment AlternativeInvestment	8400000000	USD
CY2020Q4	us-gaap	Alternative Investment AlternativeInvestment	6500000000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	31578000000	USD
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	1332000000	USD
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	-352000000	USD
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements	-56000000	USD
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	1879000000	USD
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	2692000000	USD
CY2021	aig	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assets Other FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsOther	62000000	USD
CY2021Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	31627000000	USD
CY2021	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	661000000	USD
CY2021	us-gaap	Fair Value Asset Recurring Basis Still Held Unrealized Gain Loss Oci FairValueAssetRecurringBasisStillHeldUnrealizedGainLossOci	1163000000	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	30958000000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	1096000000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	125000000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements	-1561000000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	4289000000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	3291000000	USD
CY2020	aig	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Assets Divested FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetsDivested	38000000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	31578000000	USD
CY2020	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	71000000	USD
CY2020	us-gaap	Fair Value Asset Recurring Basis Still Held Unrealized Gain Loss Oci FairValueAssetRecurringBasisStillHeldUnrealizedGainLossOci	276000000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues	0	USD
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues	0	USD
CY2021	aig	Fair Value Level3 Transfers In At End Of Period Net Gain Loss Excluded From Level3 Gains Losses FairValueLevel3TransfersInAtEndOfPeriodNetGainLossExcludedFromLevel3GainsLosses	18000000	USD
CY2020	aig	Fair Value Level3 Transfers In At End Of Period Net Gain Loss Excluded From Level3 Gains Losses FairValueLevel3TransfersInAtEndOfPeriodNetGainLossExcludedFromLevel3GainsLosses	-183000000	USD
CY2021	aig	Fair Value Level3 Transfers Out At End Of Period Net Gain Loss Included In Level3 Gains Losses FairValueLevel3TransfersOutAtEndOfPeriodNetGainLossIncludedInLevel3GainsLosses	7000000	USD
CY2020	aig	Fair Value Level3 Transfers Out At End Of Period Net Gain Loss Included In Level3 Gains Losses FairValueLevel3TransfersOutAtEndOfPeriodNetGainLossIncludedInLevel3GainsLosses	4000000	USD
CY2021Q4	us-gaap	Alternative Investment AlternativeInvestment	8418000000	USD
CY2021Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	3330000000	USD
CY2020Q4	us-gaap	Alternative Investment AlternativeInvestment	6493000000	USD
CY2020Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	3152000000	USD
CY2021	aig	Available For Sale Securities Sold Fair Value AvailableForSaleSecuritiesSoldFairValue	27300000000	USD
CY2020	aig	Available For Sale Securities Sold Fair Value AvailableForSaleSecuritiesSoldFairValue	23000000000.0	USD
CY2019	aig	Available For Sale Securities Sold Fair Value AvailableForSaleSecuritiesSoldFairValue	22000000000.0	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	46048000000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	45562000000	USD
CY2021Q4	aig	Average Debt Service Coverage Ratio Of Commercial Mortgages AverageDebtServiceCoverageRatioOfCommercialMortgages	1.9	pure
CY2020Q4	aig	Average Debt Service Coverage Ratio Of Commercial Mortgages AverageDebtServiceCoverageRatioOfCommercialMortgages	2.2	pure
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	320000000	USD
CY2021Q4	us-gaap	Trading Securities TradingSecurities	7017000000	USD
CY2021Q4	aig	Trading Securities Fair Value Percentage TradingSecuritiesFairValuePercentage	1	pure
CY2020Q4	us-gaap	Trading Securities TradingSecurities	6347000000	USD
CY2020Q4	aig	Trading Securities Fair Value Percentage TradingSecuritiesFairValuePercentage	1	pure
CY2021Q4	us-gaap	Other Investments OtherInvestments	15668000000	USD
CY2020Q4	us-gaap	Other Investments OtherInvestments	19060000000	USD
CY2021	aig	Investment Income InvestmentIncome	15134000000	USD
CY2020	aig	Investment Income InvestmentIncome	14189000000	USD
CY2019	aig	Investment Income InvestmentIncome	15144000000	USD
CY2021	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	522000000	USD
CY2020	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	558000000	USD
CY2019	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	525000000	USD
CY2021	us-gaap	Net Investment Income NetInvestmentIncome	14612000000	USD
CY2020	us-gaap	Net Investment Income NetInvestmentIncome	13631000000	USD
CY2019	us-gaap	Net Investment Income NetInvestmentIncome	14619000000	USD
CY2021	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings	0	USD
CY2020	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings	0	USD
CY2019	us-gaap	Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings	174000000	USD
CY2021	aig	Realized Gains Losses Change In Intent RealizedGainsLossesChangeInIntent	0	USD
CY2020	aig	Realized Gains Losses Change In Intent RealizedGainsLossesChangeInIntent	-3000000	USD
CY2019	aig	Realized Gains Losses Change In Intent RealizedGainsLossesChangeInIntent	0	USD
CY2021	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Period Increase Decrease DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease	-26000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Period Increase Decrease DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease	280000000	USD
CY2019	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Period Increase Decrease DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease	0	USD
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-172000000	USD
CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	103000000	USD
CY2019	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	46000000	USD
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	11000000	USD
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	378000000	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	227000000	USD
CY2021	aig	Embedded Derivatives Net Of Related Hedges EmbeddedDerivativesNetOfRelatedHedges	-39000000	USD
CY2020	aig	Embedded Derivatives Net Of Related Hedges EmbeddedDerivativesNetOfRelatedHedges	166000000	USD
CY2019	aig	Embedded Derivatives Net Of Related Hedges EmbeddedDerivativesNetOfRelatedHedges	-294000000	USD
CY2021	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	207000000	USD
CY2020	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	-921000000	USD
CY2019	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	-22000000	USD
CY2021	aig	Other Investment Charges OtherInvestmentCharges	-1449000000	USD
CY2020	aig	Other Investment Charges OtherInvestmentCharges	-156000000	USD
CY2019	aig	Other Investment Charges OtherInvestmentCharges	-621000000	USD
CY2021	us-gaap	Gain Loss On Investments GainLossOnInvestments	2151000000	USD
CY2020	us-gaap	Gain Loss On Investments GainLossOnInvestments	-2238000000	USD
CY2019	us-gaap	Gain Loss On Investments GainLossOnInvestments	632000000	USD
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-9255000000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	9491000000	USD
CY2021	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	1791000000	USD
CY2020	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	1032000000	USD
CY2021	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	-66000000	USD
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CY2021	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	1857000000	USD
CY2020	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	1009000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	186000000	USD
CY2021	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Not Previously Recorded DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotPreviouslyRecorded	65000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Not Previously Recorded DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotPreviouslyRecorded	328000000	USD
CY2021	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Purchased With Credit Deterioration Increase DebtSecuritiesAvailableForSaleAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease	0	USD
CY2020	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Purchased With Credit Deterioration Increase DebtSecuritiesAvailableForSaleAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease	26000000	USD
CY2021	us-gaap	Debt Securities Available For Sale Change In Present Value Expense Reversal DebtSecuritiesAvailableForSaleChangeInPresentValueExpenseReversal	0	USD
CY2020	us-gaap	Debt Securities Available For Sale Change In Present Value Expense Reversal DebtSecuritiesAvailableForSaleChangeInPresentValueExpenseReversal	-1000000	USD
CY2021	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Securities Sold DebtSecuritiesAvailableForSaleAllowanceForCreditLossSecuritiesSold	-33000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Securities Sold DebtSecuritiesAvailableForSaleAllowanceForCreditLossSecuritiesSold	-31000000	USD
CY2021	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Not To Sell Before Recovery Credit Loss Previously Recorded Expense Reversal DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotToSellBeforeRecoveryCreditLossPreviouslyRecordedExpenseReversal	-91000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Not To Sell Before Recovery Credit Loss Previously Recorded Expense Reversal DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotToSellBeforeRecoveryCreditLossPreviouslyRecordedExpenseReversal	-17000000	USD
CY2021	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Writeoff DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff	-29000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Writeoff DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff	-128000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	98000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	186000000	USD
CY2021	us-gaap	Debt Securities Available For Sale Purchased With Credit Deterioration Amount At Par Value DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtParValue	0	USD
CY2020	us-gaap	Debt Securities Available For Sale Purchased With Credit Deterioration Amount At Par Value DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtParValue	644000000	USD
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CY2020	us-gaap	Debt Securities Available For Sale Purchased With Credit Deterioration Allowance For Credit Loss At Acquisition Date DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate	-26000000	USD
CY2021	us-gaap	Debt Securities Available For Sale Purchased With Credit Deterioration Discount Premium DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationDiscountPremium	0	USD
CY2020	us-gaap	Debt Securities Available For Sale Purchased With Credit Deterioration Discount Premium DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationDiscountPremium	-149000000	USD
CY2021	us-gaap	Debt Securities Available For Sale Purchased With Credit Deterioration Amount At Purchase Price DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtPurchasePrice	0	USD
CY2020	us-gaap	Debt Securities Available For Sale Purchased With Credit Deterioration Amount At Purchase Price DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtPurchasePrice	469000000	USD
CY2021Q4	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	1839000000	USD
CY2020Q4	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	5359000000	USD
CY2021Q4	us-gaap	Assets Held By Insurance Regulators AssetsHeldByInsuranceRegulators	13500000000	USD
CY2020Q4	us-gaap	Assets Held By Insurance Regulators AssetsHeldByInsuranceRegulators	11200000000	USD
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CY2021	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2000000	USD
CY2020	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	17000000	USD
CY2019	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	5000000	USD
CY2021	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	0	USD
CY2020	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	0	USD
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CY2021	aig	Allowance For Loan And Lease Losses Discontinued Operations AllowanceForLoanAndLeaseLossesDiscontinuedOperations	19000000	USD
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CY2019	aig	Allowance For Loan And Lease Losses Discontinued Operations AllowanceForLoanAndLeaseLossesDiscontinuedOperations	0	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	629000000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	814000000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	438000000	USD
CY2021Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	345000000	USD
CY2020Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	106000000	USD
CY2021Q4	aig	Allowance For Doubtful Accounts Reinsurance Assets AllowanceForDoubtfulAccountsReinsuranceAssets	333000000	USD
CY2020Q4	aig	Allowance For Doubtful Accounts Reinsurance Assets AllowanceForDoubtfulAccountsReinsuranceAssets	326000000	USD
CY2021Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	79026000000	USD
CY2021Q4	aig	Liability For Unpaid Claims And Claims Adjustment Expense Net Of Current Expected Credit Losses LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetOfCurrentExpectedCreditLosses	43678000000	USD
CY2020Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	77720000000	USD
CY2020Q4	aig	Liability For Unpaid Claims And Claims Adjustment Expense Net Of Current Expected Credit Losses LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetOfCurrentExpectedCreditLosses	43154000000	USD
CY2021Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	59950000000	USD
CY2021Q4	aig	Future Policy Benefits For Life And Accident And Health Insurance Contracts Net FuturePolicyBenefitsForLifeAndAccidentAndHealthInsuranceContractsNet	33964000000	USD
CY2020Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	56878000000	USD
CY2020Q4	aig	Future Policy Benefits For Life And Accident And Health Insurance Contracts Net FuturePolicyBenefitsForLifeAndAccidentAndHealthInsuranceContractsNet	30692000000	USD
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CY2020Q4	us-gaap	Policyholder Contract Deposits PolicyholderContractDeposits	154470000000	USD
CY2020Q4	aig	Policyholder Contract Deposits Net Of Reinsurance PolicyholderContractDepositsNetOfReinsurance	149501000000	USD
CY2021Q4	us-gaap	Unearned Premiums UnearnedPremiums	19313000000	USD
CY2021Q4	aig	Unearned Premiums Net UnearnedPremiumsNet	15028000000	USD
CY2020Q4	us-gaap	Unearned Premiums UnearnedPremiums	18660000000	USD
CY2020Q4	aig	Unearned Premiums Net UnearnedPremiumsNet	14606000000	USD
CY2021Q4	us-gaap	Other Policyholder Funds OtherPolicyholderFunds	3476000000	USD
CY2021Q4	aig	Other Policyholder Funds Net OtherPolicyholderFundsNet	2885000000	USD
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CY2020Q4	aig	Other Policyholder Funds Net OtherPolicyholderFundsNet	2933000000	USD
CY2021Q4	aig	Reinsurance Assets Gross ReinsuranceAssetsGross	70630000000	USD
CY2020Q4	aig	Liability For Unpaid Losses And Loss Adjustment Expenses Reserve For Current Expected Credit Losses LiabilityForUnpaidLossesAndLossAdjustmentExpensesReserveForCurrentExpectedCreditLosses	135000000	USD
CY2020Q4	aig	Reinsurance Assets Gross ReinsuranceAssetsGross	70390000000	USD
CY2021Q4	aig	Allowance For Doubtful Accounts Reinsurance Assets AllowanceForDoubtfulAccountsReinsuranceAssets	333000000	USD
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CY2021Q4	aig	Liability For Unpaid Losses And Loss Adjustment Expenses Reserve For Current Expected Credit Losses LiabilityForUnpaidLossesAndLossAdjustmentExpensesReserveForCurrentExpectedCreditLosses	135000000	USD
CY2021	us-gaap	Reinsurance Recoverable Allowance For Credit Loss Recovery ReinsuranceRecoverableAllowanceForCreditLossRecovery	3645000000	USD
CY2020	us-gaap	Reinsurance Recoverable Allowance For Credit Loss Recovery ReinsuranceRecoverableAllowanceForCreditLossRecovery	3157000000	USD
CY2021Q4	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	342000000	USD
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CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
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CY2021Q4	us-gaap	Reinsurance Recoverables Gross ReinsuranceRecoverablesGross	76300000000	USD
CY2020Q4	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	375000000	USD
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CY2021	us-gaap	Reinsurance Recoverable Credit Loss Expense Reversal ReinsuranceRecoverableCreditLossExpenseReversal	24000000	USD
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CY2020Q4	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	375000000	USD
CY2020Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	9679000000	USD
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CY2021	us-gaap	Deferred Policy Acquisition Costs Additions DeferredPolicyAcquisitionCostsAdditions	4666000000	USD
CY2020	us-gaap	Deferred Policy Acquisition Costs Additions DeferredPolicyAcquisitionCostsAdditions	4292000000	USD
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CY2021	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	4562000000	USD
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CY2021	us-gaap	Deferred Policy Acquisition Cost Unrealized Investment Gain Loss DeferredPolicyAcquisitionCostUnrealizedInvestmentGainLoss	773000000	USD
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CY2020	aig	Deferred Policy Acquisition Costs Dispositions DeferredPolicyAcquisitionCostsDispositions	298000000	USD
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CY2020Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	9679000000	USD
CY2019Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	10890000000	USD
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CY2021Q4	aig	Deferred Bonus Interest And Sales Inducement Assets DeferredBonusInterestAndSalesInducementAssets	307000000	USD
CY2020Q4	aig	Deferred Bonus Interest And Sales Inducement Assets DeferredBonusInterestAndSalesInducementAssets	281000000	USD
CY2021	aig	Deferred Bonus Interest And Sales Inducement Assets Amortization Expense DeferredBonusInterestAndSalesInducementAssetsAmortizationExpense	113000000	USD
CY2020	aig	Deferred Bonus Interest And Sales Inducement Assets Amortization Expense DeferredBonusInterestAndSalesInducementAssetsAmortizationExpense	60000000	USD
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CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	5822000000	USD
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CY2021Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	2779000000	USD
CY2020Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	3812000000	USD
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CY2021Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	2139000000	USD
CY2021Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	1089000000	USD
CY2020Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	2219000000	USD
CY2020Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	1441000000	USD
CY2021Q4	us-gaap	Derivative Assets DerivativeAssets	843000000	USD
CY2021Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	586000000	USD
CY2020Q4	us-gaap	Derivative Assets DerivativeAssets	774000000	USD
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CY2021Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	2700000000	USD
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CY2020Q4	aig	Derivative Collateral Obtained Third Parties DerivativeCollateralObtainedThirdParties	2300000000	USD
CY2021	us-gaap	Translation Adjustment For Net Investment Hedge Increase Decrease Gross Of Tax TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax	201000000	USD
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CY2019	us-gaap	Translation Adjustment For Net Investment Hedge Increase Decrease Gross Of Tax TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax	116000000	USD
CY2021Q4	aig	Hybrid Instruments Payment Obligation HybridInstrumentsPaymentObligation	0	USD
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CY2020Q4	us-gaap	Hybrid Instruments At Fair Value Net HybridInstrumentsAtFairValueNet	2400000000	USD
CY2021Q4	aig	Hybrid Instruments At Par Value HybridInstrumentsAtParValue	4600000000	USD
CY2020Q4	aig	Hybrid Instruments At Par Value HybridInstrumentsAtParValue	5000000000.0	USD
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CY2018Q4	us-gaap	Goodwill Goodwill	4082000000	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	20000000	USD
CY2019	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	-64000000	USD
CY2019Q4	us-gaap	Goodwill Gross GoodwillGross	7515000000	USD
CY2019Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	3477000000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	4038000000	USD
CY2020	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	6000000	USD
CY2020	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	42000000	USD
CY2020Q4	us-gaap	Goodwill Gross GoodwillGross	7551000000	USD
CY2020Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	3477000000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	4074000000	USD
CY2021	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	-18000000	USD
CY2021Q4	us-gaap	Goodwill Gross GoodwillGross	7533000000	USD
CY2021Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	3477000000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	4056000000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	360000000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8000000	USD
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CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8000000	USD
CY2021	aig	Intangible Assets Excluding Goodwill Other Increase Decrease IntangibleAssetsExcludingGoodwillOtherIncreaseDecrease	-11000000	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	300000000	USD
CY2021Q4	aig	Intangible Assets Amortized Percentage Year One IntangibleAssetsAmortizedPercentageYearOne	0.099	pure
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CY2021Q4	aig	Intangible Assets Amortized Percentage After Year Five IntangibleAssetsAmortizedPercentageAfterYearFive	0.534	pure
CY2021Q4	aig	Gross Loss Reserves Before Reinsurance And Discount Net Of Subrogation GrossLossReservesBeforeReinsuranceAndDiscountNetOfSubrogation	12300000000	USD
CY2020Q4	aig	Gross Loss Reserves Before Reinsurance And Discount Net Of Subrogation GrossLossReservesBeforeReinsuranceAndDiscountNetOfSubrogation	12600000000	USD
CY2021Q4	aig	Collateral Held For Subrogation CollateralHeldForSubrogation	8600000000	USD
CY2020Q4	aig	Collateral Held For Subrogation CollateralHeldForSubrogation	9200000000	USD
CY2021Q4	aig	Allowance For Credit Losses On Reinsurance Recoverable Unsecured AllowanceForCreditLossesOnReinsuranceRecoverableUnsecured	14000000	USD
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CY2018Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	83639000000	USD
CY2020Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	34431000000	USD
CY2019Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	31069000000	USD
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CY2020	aig	Liability For Unpaid Claims And Claims Adjustment Expense Allowance For Credit Losses Initial Allowance Upon Adoption LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAllowanceForCreditLossesInitialAllowanceUponAdoption	164000000	USD
CY2019	aig	Liability For Unpaid Claims And Claims Adjustment Expense Allowance For Credit Losses Initial Allowance Upon Adoption LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAllowanceForCreditLossesInitialAllowanceUponAdoption	0	USD
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CY2020	aig	Changes In Unpaid Net Loss Reserves Related To Losses And Loss Adjustment Incurred In Prior Years Excluding Discount And Deferred Gain Amortization ChangesInUnpaidNetLossReservesRelatedToLossesAndLossAdjustmentIncurredInPriorYearsExcludingDiscountAndDeferredGainAmortization	-90000000	USD
CY2019	aig	Changes In Unpaid Net Loss Reserves Related To Losses And Loss Adjustment Incurred In Prior Years Excluding Discount And Deferred Gain Amortization ChangesInUnpaidNetLossReservesRelatedToLossesAndLossAdjustmentIncurredInPriorYearsExcludingDiscountAndDeferredGainAmortization	-340000000	USD
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CY2021	aig	Changes In Unpaid Net Loss Reserves Related To Deferred Gain Amortization On Retroactive Reinsurance ChangesInUnpaidNetLossReservesRelatedToDeferredGainAmortizationOnRetroactiveReinsurance	190000000	USD
CY2020	aig	Changes In Unpaid Net Loss Reserves Related To Deferred Gain Amortization On Retroactive Reinsurance ChangesInUnpaidNetLossReservesRelatedToDeferredGainAmortizationOnRetroactiveReinsurance	237000000	USD
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CY2019	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	18100000000	USD
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CY2020	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	14603000000	USD
CY2019	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	18020000000	USD
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CY2020	aig	Changes In Unpaid Net Loss Reserves Due To Reinsurance Transaction Net Of Discount ChangesInUnpaidNetLossReservesDueToReinsuranceTransactionNetOfDiscount	-361000000	USD
CY2019	aig	Changes In Unpaid Net Loss Reserves Due To Reinsurance Transaction Net Of Discount ChangesInUnpaidNetLossReservesDueToReinsuranceTransactionNetOfDiscount	-130000000	USD
CY2021	aig	Changes In Sales And Reinsurance Transaction Adjustment ChangesInSalesAndReinsuranceTransactionAdjustment	0	USD
CY2020	aig	Changes In Sales And Reinsurance Transaction Adjustment ChangesInSalesAndReinsuranceTransactionAdjustment	3818000000	USD
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CY2021Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	35213000000	USD
CY2020Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	34431000000	USD
CY2019Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	31069000000	USD
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CY2020Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	77720000000	USD
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CY2019	aig	Increase Decrease In Loss Reserve Discount Due To Reinsurance Transaction IncreaseDecreaseInLossReserveDiscountDueToReinsuranceTransaction	469000000	USD
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CY2021	aig	Changes In Unpaid Net Loss Reserves Related To Losses And Loss Adjustment Incurred In Prior Years Excluding Discount And Deferred Gain Amortization ChangesInUnpaidNetLossReservesRelatedToLossesAndLossAdjustmentIncurredInPriorYearsExcludingDiscountAndDeferredGainAmortization	-171000000	USD
CY2020	aig	Changes In Unpaid Net Loss Reserves Related To Losses And Loss Adjustment Incurred In Prior Years Excluding Discount And Deferred Gain Amortization ChangesInUnpaidNetLossReservesRelatedToLossesAndLossAdjustmentIncurredInPriorYearsExcludingDiscountAndDeferredGainAmortization	-90000000	USD
CY2019	aig	Changes In Unpaid Net Loss Reserves Related To Losses And Loss Adjustment Incurred In Prior Years Excluding Discount And Deferred Gain Amortization ChangesInUnpaidNetLossReservesRelatedToLossesAndLossAdjustmentIncurredInPriorYearsExcludingDiscountAndDeferredGainAmortization	-340000000	USD
CY2020Q4	aig	Loss Reserve Discount LossReserveDiscount	725000000	USD
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CY2020Q4	aig	Workers Compensation Discount Amount Tabular WorkersCompensationDiscountAmountTabular	285000000	USD
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CY2021	aig	Increase Decrease In Loss Reserve Discount IncreaseDecreaseInLossReserveDiscount	193000000	USD
CY2020	aig	Increase Decrease In Loss Reserve Discount IncreaseDecreaseInLossReserveDiscount	-516000000	USD
CY2019	aig	Increase Decrease In Loss Reserve Discount IncreaseDecreaseInLossReserveDiscount	-955000000	USD
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CY2020Q4	aig	Retroactive Reinsurance Discount Amount RetroactiveReinsuranceDiscountAmount	911000000	USD
CY2021Q4	aig	Loss Reserve Discount LossReserveDiscount	876000000	USD
CY2020Q4	aig	Loss Reserve Discount LossReserveDiscount	725000000	USD
CY2021	aig	Increase Decrease In Loss Reserve Discount Related To Current Ay IncreaseDecreaseInLossReserveDiscountRelatedToCurrentAy	62000000	USD
CY2020	aig	Increase Decrease In Loss Reserve Discount Related To Current Ay IncreaseDecreaseInLossReserveDiscountRelatedToCurrentAy	71000000	USD
CY2019	aig	Increase Decrease In Loss Reserve Discount Related To Current Ay IncreaseDecreaseInLossReserveDiscountRelatedToCurrentAy	108000000	USD
CY2021	aig	Increase Decrease In Loss Reserve Discount Related To Prior Year IncreaseDecreaseInLossReserveDiscountRelatedToPriorYear	-88000000	USD
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CY2019	aig	Increase Decrease In Loss Reserve Discount Related To Prior Year IncreaseDecreaseInLossReserveDiscountRelatedToPriorYear	-316000000	USD
CY2021	aig	Increase Decrease In Loss Reserve Discount Related To Interest Rate Change IncreaseDecreaseInLossReserveDiscountRelatedToInterestRateChange	219000000	USD
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CY2021	aig	Increase Decrease In Loss Reserve Discount IncreaseDecreaseInLossReserveDiscount	193000000	USD
CY2020	aig	Increase Decrease In Loss Reserve Discount IncreaseDecreaseInLossReserveDiscount	-516000000	USD
CY2019	aig	Increase Decrease In Loss Reserve Discount IncreaseDecreaseInLossReserveDiscount	-955000000	USD
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CY2020	aig	Increase Decrease In Loss Reserve Discount Due To Reinsurance Transaction IncreaseDecreaseInLossReserveDiscountDueToReinsuranceTransaction	340000000	USD
CY2019	aig	Increase Decrease In Loss Reserve Discount Due To Reinsurance Transaction IncreaseDecreaseInLossReserveDiscountDueToReinsuranceTransaction	469000000	USD
CY2021	aig	Net Change In Loss Reserve Discount NetChangeInLossReserveDiscount	151000000	USD
CY2020	aig	Net Change In Loss Reserve Discount NetChangeInLossReserveDiscount	-176000000	USD
CY2019	aig	Net Change In Loss Reserve Discount NetChangeInLossReserveDiscount	-486000000	USD
CY2021	aig	Amotization Of Deferred Gain On Retroactive Reinsurance AmotizationOfDeferredGainOnRetroactiveReinsurance	137000000	USD
CY2020	aig	Amotization Of Deferred Gain On Retroactive Reinsurance AmotizationOfDeferredGainOnRetroactiveReinsurance	196000000	USD
CY2019	aig	Amotization Of Deferred Gain On Retroactive Reinsurance AmotizationOfDeferredGainOnRetroactiveReinsurance	193000000	USD
CY2020Q4	us-gaap	Policyholder Contract Deposits PolicyholderContractDeposits	154470000000	USD
CY2021Q4	us-gaap	Participating Policies As Percentage Of Gross Insurance In Force ParticipatingPoliciesAsPercentageOfGrossInsuranceInForce	0.012	pure
CY2021	us-gaap	Life Premiums As Percentage Of Gross Premiums LifePremiumsAsPercentageOfGrossPremiums	0.017	pure
CY2021Q4	us-gaap	Schedule Of Fair Value Of Separate Accounts By Major Category Of Investment Fair Value ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentFairValue	101573000000	USD
CY2020Q4	us-gaap	Schedule Of Fair Value Of Separate Accounts By Major Category Of Investment Fair Value ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentFairValue	93489000000	USD
CY2020Q4	us-gaap	Schedule Of Fair Value Of Separate Accounts By Major Category Of Investment Fair Value ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentFairValue	93500000000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	30163000000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	37534000000	USD
CY2021	aig	Amount Of Policy Issued To Plaintiffs AmountOfPolicyIssuedToPlaintiffs	1000000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1200000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	111000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	87000000	USD
CY2021Q4	aig	Uncollateralized And Collateralized Notes Bonds Loans And Mortgages Payable UncollateralizedAndCollateralizedNotesBondsLoansAndMortgagesPayable	336000000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1000000000.0	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1000000000.0	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	906000000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	231000000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	252000000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0260	pure
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y7M6D
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	237000000	USD
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	258000000	USD
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	232000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	212000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	178000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	138000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	730000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1456000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	266000000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1190000000	USD
CY2019	us-gaap	Sale And Leaseback Transaction Gain Loss Net SaleAndLeasebackTransactionGainLossNet	200000000	USD
CY2021Q4	aig	Other Commitments Amount OtherCommitmentsAmount	7300000000	USD
CY2021Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	74000000	USD
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	866609429	shares
CY2019	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	3389602	shares
CY2019	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	869999031	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	869999031	shares
CY2020	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	3719970	shares
CY2020	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	12160952	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	861558049	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	861558049	shares
CY2021	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	6853070	shares
CY2021	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	49723756	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	818687363	shares
CY2021Q4	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2021-11-04
CY2021Q4	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2021-12-16
CY2021Q4	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2021-12-30
CY2021Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.32
CY2021Q3	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2021-08-05
CY2021Q3	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2021-09-16
CY2021Q3	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2021-09-30
CY2021Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.32
CY2021Q2	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2021-05-06
CY2021Q2	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2021-06-15
CY2021Q2	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2021-06-29
CY2021Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.32
CY2021Q1	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2021-02-16
CY2021Q1	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2021-03-16
CY2021Q1	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2021-03-30
CY2021Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.32
CY2020Q4	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2020-11-05
CY2020Q4	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2020-12-14
CY2020Q4	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2020-12-28
CY2020Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.32
CY2020Q3	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2020-08-03
CY2020Q3	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2020-09-17
CY2020Q3	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2020-09-30
CY2020Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.32
CY2020Q2	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2020-05-04
CY2020Q2	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2020-06-15
CY2020Q2	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2020-06-29
CY2020Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.32
CY2020Q1	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2020-02-12
CY2020Q1	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2020-03-16
CY2020Q1	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2020-03-30
CY2020Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.32
CY2019Q4	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2019-10-31
CY2019Q4	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2019-12-12
CY2019Q4	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2019-12-26
CY2019Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.32
CY2019Q3	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2019-08-07
CY2019Q3	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2019-09-17
CY2019Q3	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2019-09-30
CY2019Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.32
CY2019Q2	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2019-05-06
CY2019Q2	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2019-06-14
CY2019Q2	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2019-06-28
CY2019Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.32
CY2019Q1	us-gaap	Dividends Payable Date Declared Day Month And Year DividendsPayableDateDeclaredDayMonthAndYear	2019-02-13
CY2019Q1	us-gaap	Dividends Payable Date Of Record Day Month And Year DividendsPayableDateOfRecordDayMonthAndYear	2019-03-15
CY2019Q1	us-gaap	Dividend Payable Date To Be Paid Day Month And Year DividendPayableDateToBePaidDayMonthAndYear	2019-03-29
CY2019Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.32
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	2643000000	USD
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	500000000	USD
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	0	USD
CY2021	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	50000000	shares
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	12000000	shares
CY2019	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
CY2021	us-gaap	Payments For Repurchase Of Warrants PaymentsForRepurchaseOfWarrants	0	USD
CY2020	us-gaap	Payments For Repurchase Of Warrants PaymentsForRepurchaseOfWarrants	0	USD
CY2019	us-gaap	Payments For Repurchase Of Warrants PaymentsForRepurchaseOfWarrants	0	USD
CY2021	aig	Warrants Repurchased During Period Warrants WarrantsRepurchasedDuringPeriodWarrants	0	shares
CY2020	aig	Warrants Repurchased During Period Warrants WarrantsRepurchasedDuringPeriodWarrants	0	shares
CY2019	aig	Warrants Repurchased During Period Warrants WarrantsRepurchasedDuringPeriodWarrants	0	shares
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1413000000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	14175000000	USD
CY2019	aig	Other Comprehensive Income Deferred Acquisition Cost And Other Adjustments Before Tax Period Increase Decrease OtherComprehensiveIncomeDeferredAcquisitionCostAndOtherAdjustmentsBeforeTaxPeriodIncreaseDecrease	-1856000000	USD
CY2019	aig	Other Comprehensive Income Unrealized Gain Loss On Future Policy Benefit Reserves Net Of Offset In Deferred Acquisition Costs OtherComprehensiveIncomeUnrealizedGainLossOnFuturePolicyBenefitReservesNetOfOffsetInDeferredAcquisitionCosts	-4462000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	1514000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Unrealized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodBeforeTax	-3000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	135000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-58000000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	-2000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	6415000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	-20000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	4982000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	4982000000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	9491000000	USD
CY2020	aig	Other Comprehensive Income Deferred Acquisition Cost And Other Adjustments Before Tax Period Increase Decrease OtherComprehensiveIncomeDeferredAcquisitionCostAndOtherAdjustmentsBeforeTaxPeriodIncreaseDecrease	-1316000000	USD
CY2020	aig	Other Comprehensive Income Unrealized Gain Loss On Future Policy Benefit Reserves Net Of Offset In Deferred Acquisition Costs OtherComprehensiveIncomeUnrealizedGainLossOnFuturePolicyBenefitReservesNetOfOffsetInDeferredAcquisitionCosts	2408000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	303000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-67000000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	-18000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-5830000000	USD
CY2021	aig	Other Comprehensive Income Loss Net Of Tax Decrease From Sale Of Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxDecreaseFromSaleOfNoncontrollingInterest	1099000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	105000000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	6687000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	2289000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Unrealized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodBeforeTax	1000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	8513000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	16000000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	13511000000	USD
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-9255000000	USD
CY2021	aig	Other Comprehensive Income Deferred Acquisition Cost And Other Adjustments Before Tax Period Increase Decrease OtherComprehensiveIncomeDeferredAcquisitionCostAndOtherAdjustmentsBeforeTaxPeriodIncreaseDecrease	871000000	USD
CY2021	aig	Other Comprehensive Income Unrealized Gain Loss On Future Policy Benefit Reserves Net Of Offset In Deferred Acquisition Costs OtherComprehensiveIncomeUnrealizedGainLossOnFuturePolicyBenefitReservesNetOfOffsetInDeferredAcquisitionCosts	917000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-117000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	417000000	USD
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax	8000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-1331000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Unrealized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodBeforeTax	-2000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Before Reclassifications Before Tax OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax	8212000000	USD
CY2019	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax	283000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	7929000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	1514000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	6415000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Before Reclassifications Before Tax OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax	11771000000	USD
CY2020	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax	969000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	10802000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	2289000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	8513000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Before Reclassifications Before Tax OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax	-6279000000	USD
CY2021	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax	882000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-7161000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-1331000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-5830000000	USD
CY2019	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	22000000	USD
CY2021	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	9359000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-5977000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	3278000000	USD
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	4000000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	9923000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-5833000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	4121000000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	535000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	115000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	821000000	USD
CY2021	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	29000000	USD
CY2020	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	29000000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	48000000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	9359000000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-5973000000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	3326000000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	854320449	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	869309458	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	876750264	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	10564430	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	12761682	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	864884879	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	869309458	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	889511946	shares
CY2021	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	10.95
CY2020	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-6.88
CY2019	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	3.74
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.05
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	10.95
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-6.88
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.79
CY2021	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	10.82
CY2020	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-6.88
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	3.69
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.05
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	10.82
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-6.88
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.74
CY2020	aig	Dilutive Shares Excluded From Computation Of Diluted Earnings Per Share DilutiveSharesExcludedFromComputationOfDilutedEarningsPerShare	5401597	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	12000000.0	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	68700000	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	20000000.0	shares
CY2020	aig	Statutory Accounting Practices Statutory Net Income Increase Decrease In Previously Reported Amount StatutoryAccountingPracticesStatutoryNetIncomeIncreaseDecreaseInPreviouslyReportedAmount	-223000000	USD
CY2020	aig	Statutory Accounting Practices Statutory Surplus Balance Increase Decrease In Previously Reported Amount StatutoryAccountingPracticesStatutorySurplusBalanceIncreaseDecreaseInPreviouslyReportedAmount	55000000	USD
CY2021	aig	Statutory Accounting Practices Dividend Payments Restrictions Net Assets Of Consolidated Subsidiaries Companies StatutoryAccountingPracticesDividendPaymentsRestrictionsNetAssetsOfConsolidatedSubsidiariesCompanies	43300000000	USD
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	278000000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	274000000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	314000000	USD
CY2021	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	220000000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	216000000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	248000000	USD
CY2021	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	67000000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	63000000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	82000000	USD
CY2021	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	16000000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	11429491	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	47.67
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y7M2D
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	2674353	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	44.23
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	674216	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	46.16
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	408201	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	45.13
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	13021427	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	47.12
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y3M25D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	142000000	USD
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	4047524	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	52.88
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P6Y3M7D
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	21000000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.005	pure
CY2021	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-9000000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.001	pure
CY2020	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	165000000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.023	pure
CY2021	us-gaap	Restricted Stock Expense RestrictedStockExpense	18700000	USD
CY2021Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions	24000000	USD
CY2021	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	1	pure
CY2021	aig	Defined Contribution Plan Pre Tax Expense DefinedContributionPlanPreTaxExpense	183000000	USD
CY2020	aig	Defined Contribution Plan Pre Tax Expense DefinedContributionPlanPreTaxExpense	188000000	USD
CY2019	aig	Defined Contribution Plan Pre Tax Expense DefinedContributionPlanPreTaxExpense	195000000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	9838000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-8396000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	3825000000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	2261000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1103000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	1462000000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	12099000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-7293000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	5287000000	USD
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-216000000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-57000000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	278000000	USD
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2190000000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1676000000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	633000000	USD
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	171000000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	274000000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	267000000	USD
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	31000000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-1000000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-12000000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2176000000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1460000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1166000000	USD
CY2021	aig	Income Loss From Continuing And Discontinued Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingAndDiscontinuedOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	12099000000	USD
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	2540000000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2020	aig	Income Loss From Continuing And Discontinued Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingAndDiscontinuedOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-7288000000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-1531000000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2019	aig	Income Loss From Continuing And Discontinued Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingAndDiscontinuedOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	5336000000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1120000000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2021	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	18000000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	-0.001	pure
CY2020	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	19000000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.003	pure
CY2019	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	25000000	USD
CY2019	aig	Income Tax Reconciliation Expiration Of Tax Attribute Carryforwards IncomeTaxReconciliationExpirationOfTaxAttributeCarryforwards	0	USD
CY2019	aig	Effective Income Tax Rate Reconciliation Expiration Of Tax Attribute Carryforward EffectiveIncomeTaxRateReconciliationExpirationOfTaxAttributeCarryforward	0	pure
CY2019	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	258000000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	0.048	pure
CY2021	aig	Income Tax Reconciliation Reclassification From Accumulated Other Comprehensive Income IncomeTaxReconciliationReclassificationFromAccumulatedOtherComprehensiveIncome	-109000000	USD
CY2021	aig	Effective Income Tax Rate Reclassification From Accumulated Other Comprehensive Income EffectiveIncomeTaxRateReclassificationFromAccumulatedOtherComprehensiveIncome	-0.009	pure
CY2020	aig	Income Tax Reconciliation Reclassification From Accumulated Other Comprehensive Income IncomeTaxReconciliationReclassificationFromAccumulatedOtherComprehensiveIncome	-101000000	USD
CY2020	aig	Effective Income Tax Rate Reclassification From Accumulated Other Comprehensive Income EffectiveIncomeTaxRateReclassificationFromAccumulatedOtherComprehensiveIncome	0.014	pure
CY2019	aig	Income Tax Reconciliation Reclassification From Accumulated Other Comprehensive Income IncomeTaxReconciliationReclassificationFromAccumulatedOtherComprehensiveIncome	-113000000	USD
CY2019	aig	Effective Income Tax Rate Reclassification From Accumulated Other Comprehensive Income EffectiveIncomeTaxRateReclassificationFromAccumulatedOtherComprehensiveIncome	-0.021	pure
CY2021	us-gaap	Income Tax Reconciliation Disposition Of Business IncomeTaxReconciliationDispositionOfBusiness	11000000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Disposition Of Business EffectiveIncomeTaxRateReconciliationDispositionOfBusiness	0.001	pure
CY2020	us-gaap	Income Tax Reconciliation Disposition Of Business IncomeTaxReconciliationDispositionOfBusiness	180000000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Disposition Of Business EffectiveIncomeTaxRateReconciliationDispositionOfBusiness	-0.025	pure
CY2019	us-gaap	Income Tax Reconciliation Disposition Of Business IncomeTaxReconciliationDispositionOfBusiness	21000000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Disposition Of Business EffectiveIncomeTaxRateReconciliationDispositionOfBusiness	0.004	pure
CY2021	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	97000000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	-0.008	pure
CY2020	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	12000000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.002	pure
CY2019	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	5000000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	-0.001	pure
CY2021	aig	Income Tax Reconciliation Nondeductible Expense Tranfer Pricing Charges IncomeTaxReconciliationNondeductibleExpenseTranferPricingCharges	16000000	USD
CY2021	aig	Effective Income Tax Rate Reconciliation Nondeductible Transfer Pricing Charges EffectiveIncomeTaxRateReconciliationNondeductibleTransferPricingCharges	0.001	pure
CY2020	aig	Income Tax Reconciliation Nondeductible Expense Tranfer Pricing Charges IncomeTaxReconciliationNondeductibleExpenseTranferPricingCharges	11000000	USD
CY2020	aig	Effective Income Tax Rate Reconciliation Nondeductible Transfer Pricing Charges EffectiveIncomeTaxRateReconciliationNondeductibleTransferPricingCharges	-0.002	pure
CY2019	aig	Income Tax Reconciliation Nondeductible Expense Tranfer Pricing Charges IncomeTaxReconciliationNondeductibleExpenseTranferPricingCharges	15000000	USD
CY2019	aig	Effective Income Tax Rate Reconciliation Nondeductible Transfer Pricing Charges EffectiveIncomeTaxRateReconciliationNondeductibleTransferPricingCharges	0.003	pure
CY2021	us-gaap	Income Tax Reconciliation Deductions Dividends IncomeTaxReconciliationDeductionsDividends	37000000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Deductions Dividends EffectiveIncomeTaxRateReconciliationDeductionsDividends	0.003	pure
CY2020	us-gaap	Income Tax Reconciliation Deductions Dividends IncomeTaxReconciliationDeductionsDividends	39000000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Deductions Dividends EffectiveIncomeTaxRateReconciliationDeductionsDividends	-0.005	pure
CY2019	us-gaap	Income Tax Reconciliation Deductions Dividends IncomeTaxReconciliationDeductionsDividends	40000000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Deductions Dividends EffectiveIncomeTaxRateReconciliationDeductionsDividends	0.007	pure
CY2021	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	134000000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.011	pure
CY2020	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	76000000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.010	pure
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	82000000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.015	pure
CY2021	aig	Income Tax Reconciliation Excess Tax Deduction Expense Share Based Compensation Cost IncomeTaxReconciliationExcessTaxDeductionExpenseShareBasedCompensationCost	16000000	USD
CY2021	aig	Income Tax Reconciliation Excess Tax Deduction Expense Share Based Compensation Cost Percent IncomeTaxReconciliationExcessTaxDeductionExpenseShareBasedCompensationCostPercent	0.001	pure
CY2020	aig	Income Tax Reconciliation Excess Tax Deduction Expense Share Based Compensation Cost IncomeTaxReconciliationExcessTaxDeductionExpenseShareBasedCompensationCost	35000000	USD
CY2020	aig	Income Tax Reconciliation Excess Tax Deduction Expense Share Based Compensation Cost Percent IncomeTaxReconciliationExcessTaxDeductionExpenseShareBasedCompensationCostPercent	-0.005	pure
CY2019	aig	Income Tax Reconciliation Excess Tax Deduction Expense Share Based Compensation Cost IncomeTaxReconciliationExcessTaxDeductionExpenseShareBasedCompensationCost	27000000	USD
CY2019	aig	Income Tax Reconciliation Excess Tax Deduction Expense Share Based Compensation Cost Percent IncomeTaxReconciliationExcessTaxDeductionExpenseShareBasedCompensationCostPercent	0.005	pure
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	37000000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.003	pure
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	15000000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.002	pure
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	13000000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.002	pure
CY2021	aig	Income Tax Reconciliation Expiration Of Tax Attribute Carryforwards IncomeTaxReconciliationExpirationOfTaxAttributeCarryforwards	16000000	USD
CY2021	aig	Effective Income Tax Rate Reconciliation Expiration Of Tax Attribute Carryforward EffectiveIncomeTaxRateReconciliationExpirationOfTaxAttributeCarryforward	0.001	pure
CY2020	aig	Income Tax Reconciliation Expiration Of Tax Attribute Carryforwards IncomeTaxReconciliationExpirationOfTaxAttributeCarryforwards	221000000	USD
CY2020	aig	Effective Income Tax Rate Reconciliation Expiration Of Tax Attribute Carryforward EffectiveIncomeTaxRateReconciliationExpirationOfTaxAttributeCarryforward	-0.030	pure
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.180	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2021	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	-935000000	USD
CY2021	aig	Income Tax Reconciliation Reclassification From Accumulated Other Comprehensive Income IncomeTaxReconciliationReclassificationFromAccumulatedOtherComprehensiveIncome	-109000000	USD
CY2021	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	97000000	USD
CY2021	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	-935000000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	-0.076	pure
CY2020	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	-379000000	USD
CY2019	aig	Income Loss From Continuing And Discontinued Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingAndDiscontinuedOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	5336000000	USD
CY2019	aig	Income Tax Reconciliation Income Tax Expense Benefit Continuing Operations Discontinued Operations At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsAtFederalStatutoryIncomeTaxRate	1167000000	USD
CY2019	aig	Effective Income Tax Rate Continuing Operations And Discontinued Operations EffectiveIncomeTaxRateContinuingOperationsAndDiscontinuedOperations	0.219	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	0.052	pure
CY2019	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	0	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Settlements EffectiveIncomeTaxRateReconciliationTaxSettlements	0	pure
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-107000000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.009	pure
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-16000000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.002	pure
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-134000000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.025	pure
CY2021	aig	Income Tax Reconciliation Effect Of Discontinued Operations IncomeTaxReconciliationEffectOfDiscontinuedOperations	0	USD
CY2021	aig	Effective Income Tax Rate Reconciliation Effect Of Discontinued Operations EffectiveIncomeTaxRateReconciliationEffectOfDiscontinuedOperations	0	pure
CY2020	aig	Income Tax Reconciliation Effect Of Discontinued Operations IncomeTaxReconciliationEffectOfDiscontinuedOperations	0	USD
CY2020	aig	Effective Income Tax Rate Reconciliation Effect Of Discontinued Operations EffectiveIncomeTaxRateReconciliationEffectOfDiscontinuedOperations	0	pure
CY2019	aig	Income Tax Reconciliation Effect Of Discontinued Operations IncomeTaxReconciliationEffectOfDiscontinuedOperations	8000000	USD
CY2019	aig	Effective Income Tax Rate Reconciliation Effect Of Discontinued Operations EffectiveIncomeTaxRateReconciliationEffectOfDiscontinuedOperations	-0.001	pure
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	718000000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.059	pure
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-65000000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.009	pure
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-44000000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.008	pure
CY2021	aig	Income Loss From Continuing And Discontinued Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingAndDiscontinuedOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	12099000000	USD
CY2021	aig	Income Tax Reconciliation Income Tax Expense Benefit Continuing Operations Discontinued Operations At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsAtFederalStatutoryIncomeTaxRate	2176000000	USD
CY2021	aig	Effective Income Tax Rate Continuing Operations And Discontinued Operations EffectiveIncomeTaxRateContinuingOperationsAndDiscontinuedOperations	0.180	pure
CY2020	aig	Income Loss From Continuing And Discontinued Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingAndDiscontinuedOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-7288000000	USD
CY2020	aig	Income Tax Reconciliation Income Tax Expense Benefit Continuing Operations Discontinued Operations At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsAtFederalStatutoryIncomeTaxRate	-1459000000	USD
CY2020	aig	Effective Income Tax Rate Continuing Operations And Discontinued Operations EffectiveIncomeTaxRateContinuingOperationsAndDiscontinuedOperations	0.200	pure
CY2021	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	0	USD
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$AIG
AMERICAN INTERNATIONAL GROUP, INC. Stock $aig

2021 Q4 Form 10-K Financial Statement

#000110465922024701 Filed on February 17, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AIG AMERICAN INTERNATIONAL GROUP, INC. Stock $aig

2021 Q4 Form 10-K Financial Statement

#000110465922024701 Filed on February 17, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AIG
AMERICAN INTERNATIONAL GROUP, INC. Stock $aig