$AGO
ASSURED GUARANTY LTD Stock $ago

$ago Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000127381323000005 Filed on March 01, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$283.0M	$258.0M	$723.0M
YoY Change	-5.67%	-3.01%	-14.74%
Cost Of Revenue	$4.000M		$16.00M
YoY Change	-92.98%		-107.27%
Gross Profit	$279.0M		$707.0M
YoY Change	14.81%		-33.8%
Gross Profit Margin	98.59%		97.79%
Selling, General & Admin	$82.00M	$69.00M	$258.0M
YoY Change	12.33%	21.05%	12.17%
% of Gross Profit	29.39%		36.49%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$3.000M		$14.00M
YoY Change	-25.0%		0.0%
% of Gross Profit	1.08%		1.98%
Operating Expenses	$118.0M	$142.0M	$362.0M
YoY Change	-16.9%	-269.05%	214.78%
Operating Profit	$161.0M		$345.0M
YoY Change	59.41%		-63.8%
Interest Expense	$21.00M	-$9.000M	$81.00M
YoY Change	5.0%	-10.0%	-6.9%
% of Operating Profit	13.04%		23.48%
Other Income/Expense, Net
YoY Change
Pretax Income	$120.0M	$99.00M	$148.0M
YoY Change	29.03%	-70.18%	-68.97%
Income Tax	$23.00M	$17.00M	$11.00M
% Of Pretax Income	19.17%	17.17%	7.43%
Net Earnings	$81.00M	$94.00M	$124.0M
YoY Change	22.73%	-64.26%	-68.12%
Net Earnings / Revenue	28.62%	36.43%	17.15%
Basic Earnings Per Share	$1.37		$1.95
Diluted Earnings Per Share	$1.34	$1.57	$1.92
COMMON SHARES
Basic Shares Outstanding	59.06M shares	59.99M shares	62.90M shares
Diluted Shares Outstanding	60.40M shares		63.90M shares

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$130.0M	$207.0M
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			$100.0M
YoY Change			0.0%
Goodwill		$117.0M
YoY Change		0.0%
Intangibles
YoY Change
Long-Term Investments	$13.70B	$13.86B	$13.86B
YoY Change	-7.23%	-6.86%	-6.86%
Other Assets	$227.0M	$2.000M	$2.000M
YoY Change	1791.67%	0.0%	0.0%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$16.78B	$16.84B	$16.84B
YoY Change	-5.98%	-7.5%	-7.5%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses			$100.0M
YoY Change			-26.47%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities			$100.0M
YoY Change			-26.47%
LONG-TERM LIABILITIES
Long-Term Debt	$1.676B	$1.675B	$1.675B
YoY Change	0.18%	0.12%	0.12%
Other Long-Term Liabilities	$5.765B	$5.960B	$5.860B
YoY Change	-1.32%	9.36%	10.27%
Total Long-Term Liabilities	$7.441B	$7.635B	$7.535B
YoY Change	-0.98%	7.19%	7.84%
TOTAL LIABILITIES
Total Short-Term Liabilities			$100.0M
Total Long-Term Liabilities	$7.441B	$7.635B	$7.535B
Total Liabilities	$11.36B	$11.55B	$11.78B
YoY Change	-3.94%	-1.34%	-1.2%
SHAREHOLDERS EQUITY
Retained Earnings	$5.638B	$5.577B
YoY Change	-4.08%	-6.89%
Common Stock	$1.000M	$1.000M
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$5.220B	$5.064B	$5.064B
YoY Change
Total Liabilities & Shareholders Equity	$16.78B	$16.84B	$16.84B
YoY Change	-5.98%	-7.5%	-7.5%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	$81.00M	$94.00M	$124.0M
YoY Change	22.73%	-64.26%	-68.12%
Depreciation, Depletion And Amortization	$3.000M		$14.00M
YoY Change	-25.0%		0.0%
Cash From Operating Activities	$312.0M	-$631.0M	-$2.479B
YoY Change	-134.98%	335.17%	27.98%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	$1.000M	$612.0M	$3.000M
YoY Change	0.0%	-519.18%	-50.0%
Cash From Investing Activities	-$94.00M	$612.0M	$1.740B
YoY Change	-111.06%	-519.18%	7465.22%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$500.0M
YoY Change			0.81%
Debt Paid & Issued, Net			$2.000M
YoY Change			-99.68%
Cash From Financing Activities	-$296.0M	-43.00M	$612.0M
YoY Change	2860.0%	-110.91%	-68.78%
NET CHANGE
Cash From Operating Activities	$312.0M	-631.0M	-$2.479B
Cash From Investing Activities	-$94.00M	612.0M	$1.740B
Cash From Financing Activities	-$296.0M	-43.00M	$612.0M
Net Change In Cash	-$77.00M	-62.00M	-$135.0M
YoY Change	45.28%	-160.19%	-406.82%
FREE CASH FLOW
Cash From Operating Activities	$312.0M	-$631.0M	-$2.479B
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

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CY2022	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	167000000	usd
CY2021	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	179000000	usd
CY2020	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	197000000	usd
CY2022	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	536000000	usd
CY2021	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	465000000	usd
CY2020	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	729000000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	187000000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	383000000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	386000000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-39000000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	94000000	usd
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	27000000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	148000000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	477000000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	413000000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	14000000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	96000000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-13000000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3000000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-38000000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	58000000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11000000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	58000000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45000000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	137000000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	419000000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	368000000	usd
CY2022	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	13000000	usd
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	30000000	usd
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	6000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	124000000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	389000000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	362000000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.95
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.29
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.22
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.92
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.23
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.19
CY2022	us-gaap	Profit Loss ProfitLoss	137000000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	419000000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	368000000	usd
CY2022	ago	Other Comprehensive Income Loss Availableforsale Securities Without Credit Impairment Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentTax	-121000000	usd
CY2021	ago	Other Comprehensive Income Loss Availableforsale Securities Without Credit Impairment Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentTax	-31000000	usd
CY2020	ago	Other Comprehensive Income Loss Availableforsale Securities Without Credit Impairment Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithoutCreditImpairmentTax	20000000	usd
CY2022	ago	Other Comprehensive Income Loss Available For Sale Securities Without Credit Impairment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesWithoutCreditImpairmentNetOfTax	-718000000	usd
CY2021	ago	Other Comprehensive Income Loss Available For Sale Securities Without Credit Impairment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesWithoutCreditImpairmentNetOfTax	-202000000	usd
CY2020	ago	Other Comprehensive Income Loss Available For Sale Securities Without Credit Impairment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesWithoutCreditImpairmentNetOfTax	163000000	usd
CY2022	ago	Other Comprehensive Income Loss Availableforsale Securities With Credit Impairment Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentTax	-20000000	usd
CY2021	ago	Other Comprehensive Income Loss Availableforsale Securities With Credit Impairment Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentTax	2000000	usd
CY2020	ago	Other Comprehensive Income Loss Availableforsale Securities With Credit Impairment Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesWithCreditImpairmentTax	-4000000	usd
CY2022	ago	Other Comprehensive Income Loss Available For Sale Securities With Credit Impairment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesWithCreditImpairmentNetOfTax	-86000000	usd
CY2021	ago	Other Comprehensive Income Loss Available For Sale Securities With Credit Impairment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesWithCreditImpairmentNetOfTax	6000000	usd
CY2020	ago	Other Comprehensive Income Loss Available For Sale Securities With Credit Impairment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesWithCreditImpairmentNetOfTax	-16000000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-804000000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-196000000	usd
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	147000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option After Tax And Reclassification Adjustment OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment	-2000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option After Tax And Reclassification Adjustment OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment	-1000000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option After Tax And Reclassification Adjustment OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment	7000000	usd
CY2022	ago	Other Comprehensive Income Loss Other Netof Tax Portion Attributable To Parent OtherComprehensiveIncomeLossOtherNetofTaxPortionAttributableToParent	-9000000	usd
CY2021	ago	Other Comprehensive Income Loss Other Netof Tax Portion Attributable To Parent OtherComprehensiveIncomeLossOtherNetofTaxPortionAttributableToParent	-1000000	usd
CY2020	ago	Other Comprehensive Income Loss Other Netof Tax Portion Attributable To Parent OtherComprehensiveIncomeLossOtherNetofTaxPortionAttributableToParent	2000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-815000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-198000000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	156000000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-678000000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	221000000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	524000000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	13000000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	30000000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	6000000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-691000000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	191000000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	518000000	usd
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6645000000	usd
CY2020	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	369000000	usd
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.80
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	69000000	usd
CY2020	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	446000000	usd
CY2020	ago	Stock Issued During Period Value Sharebased Compensationand Other StockIssuedDuringPeriodValueSharebasedCompensationandOther	16000000	usd
CY2020	ago	Non Redeemable Noncontrolling Interest Equity Other Reallocationof Ownership Interests NonRedeemableNoncontrollingInterestEquityOtherReallocationofOwnershipInterests	-10000000	usd
CY2020	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	63000000	usd
CY2020	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	45000000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	156000000	usd
CY2020	us-gaap	Stockholders Equity Other StockholdersEquityOther	15000000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6684000000	usd
CY2021	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	418000000	usd
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.88
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	65000000	usd
CY2021	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	496000000	usd
CY2021	ago	Stock Issued During Period Value Sharebased Compensationand Other StockIssuedDuringPeriodValueSharebasedCompensationandOther	19000000	usd
CY2021	ago	Noncontrolling Interest Increase From Vie Consolidation NoncontrollingInterestIncreaseFromVIEConsolidation	89000000	usd
CY2021	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	40000000	usd
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-69000000	usd
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-54000000	usd
CY2021	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	13000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-198000000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6478000000	usd
CY2022	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	138000000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.00
CY2022	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	64000000	usd
CY2022	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	503000000	usd
CY2022	ago	Stock Issued During Period Value Sharebased Compensationand Other StockIssuedDuringPeriodValueSharebasedCompensationandOther	30000000	usd
CY2022	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	89000000	usd
CY2022	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	61000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-815000000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5292000000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	137000000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	419000000	usd
CY2020	us-gaap	Profit Loss ProfitLoss	368000000	usd
CY2022	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-65000000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3000000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-38000000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	58000000	usd
CY2022	ago	Realized Noncash Investments Gains Losses RealizedNoncashInvestmentsGainsLosses	-56000000	usd
CY2021	ago	Realized Noncash Investments Gains Losses RealizedNoncashInvestmentsGainsLosses	15000000	usd
CY2020	ago	Realized Noncash Investments Gains Losses RealizedNoncashInvestmentsGainsLosses	18000000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-39000000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	94000000	usd
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	27000000	usd
CY2022	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	-34000000	usd
CY2021	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	0	usd
CY2020	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	0	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-175000000	usd
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	-74000000	usd
CY2021	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	0	usd
CY2020	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	102000000	usd
CY2022	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-93000000	usd
CY2021	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-17000000	usd
CY2020	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	19000000	usd
CY2022	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	-1207000000	usd
CY2021	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	-99000000	usd
CY2020	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	-174000000	usd
CY2022	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-106000000	usd
CY2021	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	64000000	usd
CY2020	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	9000000	usd
CY2022	us-gaap	Increase Decrease In Derivative Assets And Liabilities IncreaseDecreaseInDerivativeAssetsAndLiabilities	-8000000	usd
CY2021	us-gaap	Increase Decrease In Derivative Assets And Liabilities IncreaseDecreaseInDerivativeAssetsAndLiabilities	-54000000	usd
CY2020	us-gaap	Increase Decrease In Derivative Assets And Liabilities IncreaseDecreaseInDerivativeAssetsAndLiabilities	85000000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	56000000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-20000000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	1000000	usd
CY2022	ago	Purchasesof Securitiesof Consolidated Investment Vehicles PurchasesofSecuritiesofConsolidatedInvestmentVehicles	3201000000	usd
CY2021	ago	Purchasesof Securitiesof Consolidated Investment Vehicles PurchasesofSecuritiesofConsolidatedInvestmentVehicles	4957000000	usd
CY2020	ago	Purchasesof Securitiesof Consolidated Investment Vehicles PurchasesofSecuritiesofConsolidatedInvestmentVehicles	2053000000	usd
CY2022	ago	Proceeds From Sales Of Securities Of Consolidated Investment Vehicles ProceedsFromSalesOfSecuritiesOfConsolidatedInvestmentVehicles	1513000000	usd
CY2021	ago	Proceeds From Sales Of Securities Of Consolidated Investment Vehicles ProceedsFromSalesOfSecuritiesOfConsolidatedInvestmentVehicles	2161000000	usd
CY2020	ago	Proceeds From Sales Of Securities Of Consolidated Investment Vehicles ProceedsFromSalesOfSecuritiesOfConsolidatedInvestmentVehicles	1156000000	usd
CY2022	ago	Maturities And Paydowns Of Securities Of Consolidated Investment Vehicles MaturitiesAndPaydownsOfSecuritiesOfConsolidatedInvestmentVehicles	156000000	usd
CY2021	ago	Maturities And Paydowns Of Securities Of Consolidated Investment Vehicles MaturitiesAndPaydownsOfSecuritiesOfConsolidatedInvestmentVehicles	430000000	usd
CY2020	ago	Maturities And Paydowns Of Securities Of Consolidated Investment Vehicles MaturitiesAndPaydownsOfSecuritiesOfConsolidatedInvestmentVehicles	71000000	usd
CY2022	ago	Proceeds From Payments For Money Market Funds ProceedsFromPaymentsForMoneyMarketFunds	-6000000	usd
CY2021	ago	Proceeds From Payments For Money Market Funds ProceedsFromPaymentsForMoneyMarketFunds	6000000	usd
CY2020	ago	Proceeds From Payments For Money Market Funds ProceedsFromPaymentsForMoneyMarketFunds	108000000	usd
CY2022	ago	Payments To Cover Securities Sold Short PaymentsToCoverSecuritiesSoldShort	223000000	usd
CY2021	ago	Payments To Cover Securities Sold Short PaymentsToCoverSecuritiesSoldShort	621000000	usd
CY2020	ago	Payments To Cover Securities Sold Short PaymentsToCoverSecuritiesSoldShort	460000000	usd
CY2022	ago	Proceeds From Securities Sold Short ProceedsFromSecuritiesSoldShort	188000000	usd
CY2021	ago	Proceeds From Securities Sold Short ProceedsFromSecuritiesSoldShort	618000000	usd
CY2020	ago	Proceeds From Securities Sold Short ProceedsFromSecuritiesSoldShort	509000000	usd
CY2022	ago	Increase Decreasein Other Operating Activitiesof Consolidated Investment Vehicles IncreaseDecreaseinOtherOperatingActivitiesofConsolidatedInvestmentVehicles	134000000	usd
CY2021	ago	Increase Decreasein Other Operating Activitiesof Consolidated Investment Vehicles IncreaseDecreaseinOtherOperatingActivitiesofConsolidatedInvestmentVehicles	-100000000	usd
CY2020	ago	Increase Decreasein Other Operating Activitiesof Consolidated Investment Vehicles IncreaseDecreaseinOtherOperatingActivitiesofConsolidatedInvestmentVehicles	-69000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-2479000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-1937000000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-853000000	usd
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	371000000	usd
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1236000000	usd
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1380000000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	717000000	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	428000000	usd
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	779000000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	682000000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1148000000	usd
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	878000000	usd
CY2022	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	63000000	usd
CY2021	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	0	usd
CY2020	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	85000000	usd
CY2022	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	0	usd
CY2021	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	0	usd
CY2020	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	5000000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	36000000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	36000000	usd
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	73000000	usd
CY2022	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	439000000	usd
CY2021	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	-410000000	usd
CY2020	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	430000000	usd
CY2022	us-gaap	Proceeds From Payments For Trading Securities ProceedsFromPaymentsForTradingSecurities	121000000	usd
CY2021	us-gaap	Proceeds From Payments For Trading Securities ProceedsFromPaymentsForTradingSecurities	0	usd
CY2020	us-gaap	Proceeds From Payments For Trading Securities ProceedsFromPaymentsForTradingSecurities	0	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	87000000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	0	usd
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	0	usd
CY2022	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	25000000	usd
CY2021	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	79000000	usd
CY2020	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	19000000	usd
CY2022	ago	Proceeds From Saleof Other Invested Assets ProceedsFromSaleofOtherInvestedAssets	36000000	usd
CY2021	ago	Proceeds From Saleof Other Invested Assets ProceedsFromSaleofOtherInvestedAssets	80000000	usd
CY2020	ago	Proceeds From Saleof Other Invested Assets ProceedsFromSaleofOtherInvestedAssets	23000000	usd
CY2022	ago	Proceedsfrom Paydownson Financial Guaranty Variable Interest Entities Assets ProceedsfromPaydownsonFinancialGuarantyVariableInterestEntitiesAssets	84000000	usd
CY2021	ago	Proceedsfrom Paydownson Financial Guaranty Variable Interest Entities Assets ProceedsfromPaydownsonFinancialGuarantyVariableInterestEntitiesAssets	62000000	usd
CY2020	ago	Proceedsfrom Paydownson Financial Guaranty Variable Interest Entities Assets ProceedsfromPaydownsonFinancialGuarantyVariableInterestEntitiesAssets	83000000	usd
CY2022	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	3000000	usd
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	6000000	usd
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-1000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	1740000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	23000000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	788000000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	64000000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	66000000	usd
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	69000000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	500000000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	496000000	usd
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	446000000	usd
CY2022	ago	Paydown Of Financial Guaranty Variable Interest Entities Liabilities PaydownOfFinancialGuarantyVariableInterestEntitiesLiabilities	99000000	usd
CY2021	ago	Paydown Of Financial Guaranty Variable Interest Entities Liabilities PaydownOfFinancialGuarantyVariableInterestEntitiesLiabilities	53000000	usd
CY2020	ago	Paydown Of Financial Guaranty Variable Interest Entities Liabilities PaydownOfFinancialGuarantyVariableInterestEntitiesLiabilities	77000000	usd
CY2022	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	0	usd
CY2021	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	889000000	usd
CY2020	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	0	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2000000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	620000000	usd
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	22000000	usd
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-6000000	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	26000000	usd
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-10000000	usd
CY2022	ago	Proceedsfrom Issuanceof Collateralized Loan Obligations ProceedsfromIssuanceofCollateralizedLoanObligations	1372000000	usd
CY2021	ago	Proceedsfrom Issuanceof Collateralized Loan Obligations ProceedsfromIssuanceofCollateralizedLoanObligations	3276000000	usd
CY2020	ago	Proceedsfrom Issuanceof Collateralized Loan Obligations ProceedsfromIssuanceofCollateralizedLoanObligations	738000000	usd
CY2022	ago	Repayments Of Collateralized Loan Obligations RepaymentsOfCollateralizedLoanObligations	373000000	usd
CY2021	ago	Repayments Of Collateralized Loan Obligations RepaymentsOfCollateralizedLoanObligations	824000000	usd
CY2020	ago	Repayments Of Collateralized Loan Obligations RepaymentsOfCollateralizedLoanObligations	0	usd
CY2022	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	991000000	usd
CY2021	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	1338000000	usd
CY2020	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	234000000	usd
CY2022	ago	Repaymentof Warehouse Loansand Equity RepaymentofWarehouseLoansandEquity	796000000	usd
CY2021	ago	Repaymentof Warehouse Loansand Equity RepaymentofWarehouseLoansandEquity	1537000000	usd
CY2020	ago	Repaymentof Warehouse Loansand Equity RepaymentofWarehouseLoansandEquity	210000000	usd
CY2022	ago	Contributions From Noncontrolling Interests To Investment Vehicles ContributionsFromNoncontrollingInterestsToInvestmentVehicles	74000000	usd
CY2021	ago	Contributions From Noncontrolling Interests To Investment Vehicles ContributionsFromNoncontrollingInterestsToInvestmentVehicles	39000000	usd
CY2020	ago	Contributions From Noncontrolling Interests To Investment Vehicles ContributionsFromNoncontrollingInterestsToInvestmentVehicles	88000000	usd
CY2022	ago	Distributions To Redeemable Noncontrolling Interests From Investment Vehicles DistributionsToRedeemableNoncontrollingInterestsFromInvestmentVehicles	26000000	usd
CY2021	ago	Distributions To Redeemable Noncontrolling Interests From Investment Vehicles DistributionsToRedeemableNoncontrollingInterestsFromInvestmentVehicles	12000000	usd
CY2020	ago	Distributions To Redeemable Noncontrolling Interests From Investment Vehicles DistributionsToRedeemableNoncontrollingInterestsFromInvestmentVehicles	43000000	usd
CY2022	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	41000000	usd
CY2021	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	0	usd
CY2020	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	0	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	612000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1960000000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	183000000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-8000000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-2000000	usd
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-3000000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-135000000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	44000000	usd
CY2022	ago	Noncash Or Part Noncash Acquisition Investments Sold Available For Sale NoncashOrPartNoncashAcquisitionInvestmentsSoldAvailableForSale	27000000	usd
CY2021	ago	Noncash Or Part Noncash Acquisition Investments Sold Available For Sale NoncashOrPartNoncashAcquisitionInvestmentsSoldAvailableForSale	0	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	115000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	342000000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	298000000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	183000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	207000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	342000000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	298000000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	105000000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	24000000	usd
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-25000000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	77000000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	80000000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	81000000	usd
CY2022	ago	Noncash Or Part Noncash Acquisition Investments Acquired Available For Sale NoncashOrPartNoncashAcquisitionInvestmentsAcquiredAvailableForSale	-986000000	usd
CY2021	ago	Noncash Or Part Noncash Acquisition Investments Acquired Available For Sale NoncashOrPartNoncashAcquisitionInvestmentsAcquiredAvailableForSale	0	usd
CY2020	ago	Noncash Or Part Noncash Acquisition Investments Acquired Available For Sale NoncashOrPartNoncashAcquisitionInvestmentsAcquiredAvailableForSale	0	usd
CY2020	ago	Noncash Or Part Noncash Acquisition Investments Sold Available For Sale NoncashOrPartNoncashAcquisitionInvestmentsSoldAvailableForSale	0	usd
CY2022	ago	Noncash Or Part Noncash Acquisition Investments Acquired Trading NoncashOrPartNoncashAcquisitionInvestmentsAcquiredTrading	-549000000	usd
CY2021	ago	Noncash Or Part Noncash Acquisition Investments Acquired Trading NoncashOrPartNoncashAcquisitionInvestmentsAcquiredTrading	0	usd
CY2020	ago	Noncash Or Part Noncash Acquisition Investments Acquired Trading NoncashOrPartNoncashAcquisitionInvestmentsAcquiredTrading	0	usd
CY2022	ago	Noncash Or Part Noncash Acquisition Investments Sold Trading NoncashOrPartNoncashAcquisitionInvestmentsSoldTrading	6000000	usd
CY2021	ago	Noncash Or Part Noncash Acquisition Investments Sold Trading NoncashOrPartNoncashAcquisitionInvestmentsSoldTrading	0	usd
CY2020	ago	Noncash Or Part Noncash Acquisition Investments Sold Trading NoncashOrPartNoncashAcquisitionInvestmentsSoldTrading	0	usd
CY2022	ago	Payments To Acquire Debt Securities Fgvi Es Non Cash PaymentsToAcquireDebtSecuritiesFGVIEsNonCash	-234000000	usd
CY2021	ago	Payments To Acquire Debt Securities Fgvi Es Non Cash PaymentsToAcquireDebtSecuritiesFGVIEsNonCash	0	usd
CY2020	ago	Payments To Acquire Debt Securities Fgvi Es Non Cash PaymentsToAcquireDebtSecuritiesFGVIEsNonCash	0	usd
CY2022	ago	Noncash Contributions From Noncontrolling Interests NoncashContributionsFromNoncontrollingInterests	36000000	usd
CY2021	ago	Noncash Contributions From Noncontrolling Interests NoncashContributionsFromNoncontrollingInterests	1000000	usd
CY2020	ago	Noncash Contributions From Noncontrolling Interests NoncashContributionsFromNoncontrollingInterests	0	usd
CY2022	ago	Noncash Distributions To Noncontrolling Interests NoncashDistributionsToNoncontrollingInterests	56000000	usd
CY2021	ago	Noncash Distributions To Noncontrolling Interests NoncashDistributionsToNoncontrollingInterests	1000000	usd
CY2020	ago	Noncash Distributions To Noncontrolling Interests NoncashDistributionsToNoncontrollingInterests	0	usd
CY2022Q4	us-gaap	Cash Cash	107000000	usd
CY2021Q4	us-gaap	Cash Cash	120000000	usd
CY2020Q4	us-gaap	Cash Cash	162000000	usd
CY2022Q4	us-gaap	Restricted Cash RestrictedCash	1000000	usd
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	2000000	usd
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	2000000	usd
CY2022Q4	ago	Cash Of Financial Guaranty Variable Interest Entities CashOfFinancialGuarantyVariableInterestEntities	2000000	usd
CY2021Q4	ago	Cash Of Financial Guaranty Variable Interest Entities CashOfFinancialGuarantyVariableInterestEntities	0	usd
CY2020Q4	ago	Cash Of Financial Guaranty Variable Interest Entities CashOfFinancialGuarantyVariableInterestEntities	0	usd
CY2022Q4	ago	Cashof Consolidated Investment Vehicles CashofConsolidatedInvestmentVehicles	97000000	usd
CY2021Q4	ago	Cashof Consolidated Investment Vehicles CashofConsolidatedInvestmentVehicles	220000000	usd
CY2020Q4	ago	Cashof Consolidated Investment Vehicles CashofConsolidatedInvestmentVehicles	134000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	207000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	342000000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	298000000	usd
CY2022Q4	ago	Number Of Holding Companies Having Outstanding Public Debt NumberOfHoldingCompaniesHavingOutstandingPublicDebt	2	company
CY2022	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2022	us-gaap	Revenues Revenues	723000000	usd
CY2022	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	536000000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-39000000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11000000	usd
CY2022	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	13000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	124000000	usd
CY2021	us-gaap	Revenues Revenues	848000000	usd
CY2021	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	465000000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	94000000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	58000000	usd
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	30000000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	389000000	usd
CY2020	us-gaap	Revenues Revenues	1115000000	usd
CY2020	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	729000000	usd
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	27000000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	45000000	usd
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	6000000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	362000000	usd
CY2022	us-gaap	Premiums Earned Net PremiumsEarnedNet	494000000	usd
CY2022	us-gaap	Net Investment Income NetInvestmentIncome	269000000	usd
CY2022	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	16000000	usd
CY2022	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	14000000	usd
CY2022	ago	Employee Compensationand Benefitsand Other Operating Expenses EmployeeCompensationandBenefitsandOtherOperatingExpenses	425000000	usd
CY2021	us-gaap	Premiums Earned Net PremiumsEarnedNet	414000000	usd
CY2021	us-gaap	Net Investment Income NetInvestmentIncome	269000000	usd
CY2021	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	-220000000	usd
CY2021	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	14000000	usd
CY2021	ago	Employee Compensationand Benefitsand Other Operating Expenses EmployeeCompensationandBenefitsandOtherOperatingExpenses	409000000	usd
CY2020	us-gaap	Premiums Earned Net PremiumsEarnedNet	485000000	usd
CY2020	us-gaap	Net Investment Income NetInvestmentIncome	297000000	usd
CY2020	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	203000000	usd
CY2020	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	16000000	usd
CY2020	ago	Employee Compensationand Benefitsand Other Operating Expenses EmployeeCompensationandBenefitsandOtherOperatingExpenses	425000000	usd
CY2022Q4	ago	Insured Financial Obligations Loss Mitigation Securities InsuredFinancialObligationsLossMitigationSecurities	1300000000	usd
CY2021Q4	ago	Insured Financial Obligations Loss Mitigation Securities InsuredFinancialObligationsLossMitigationSecurities	1300000000	usd
CY2022Q4	ago	Insured Financial Obligations Insured Contractual Payments Outstanding Gross InsuredFinancialObligationsInsuredContractualPaymentsOutstandingGross	370172000000	usd
CY2022Q4	ago	Insured Financial Obligations Insured Contractual Payments Outstanding Net InsuredFinancialObligationsInsuredContractualPaymentsOutstandingNet	369951000000	usd
CY2021Q4	ago	Insured Financial Obligations Insured Contractual Payments Outstanding Gross InsuredFinancialObligationsInsuredContractualPaymentsOutstandingGross	367770000000	usd
CY2021Q4	ago	Insured Financial Obligations Insured Contractual Payments Outstanding Net InsuredFinancialObligationsInsuredContractualPaymentsOutstandingNet	367360000000	usd
CY2022Q4	ago	Insured Financial Obligations Outstanding Principal Amount Gross InsuredFinancialObligationsOutstandingPrincipalAmountGross	233438000000	usd
CY2022Q4	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	233258000000	usd
CY2022Q4	ago	Insured Financial Obligations Maturitiesof Outstanding Principle Amount Fifteento Twenty Years InsuredFinancialObligationsMaturitiesofOutstandingPrincipleAmountFifteentoTwentyYears	32588000000	usd
CY2022Q4	ago	Insured Financial Obligations Maturitiesof Outstanding Principle Amount Twentyand Above Years InsuredFinancialObligationsMaturitiesofOutstandingPrincipleAmountTwentyandAboveYears	56229000000	usd
CY2021Q4	ago	Insured Financial Obligations Outstanding Principal Amount Gross InsuredFinancialObligationsOutstandingPrincipalAmountGross	236765000000	usd
CY2021Q4	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	236392000000	usd
CY2022Q4	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	233258000000	usd
CY2022Q4	ago	Insured Financial Obligations Outstanding Principle Amount Percentage InsuredFinancialObligationsOutstandingPrincipleAmountPercentage	1.000
CY2021Q4	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	236392000000	usd
CY2021Q4	ago	Insured Financial Obligations Outstanding Principle Amount Percentage InsuredFinancialObligationsOutstandingPrincipleAmountPercentage	1.000
CY2022Q4	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	233258000000	usd
CY2021Q4	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	236392000000	usd
CY2022Q4	ago	Insured Financial Obligations Maturitiesof Outstanding Principle Amount Zeroto Five Years InsuredFinancialObligationsMaturitiesofOutstandingPrincipleAmountZerotoFiveYears	50311000000	usd
CY2022Q4	ago	Insured Financial Obligations Maturitiesof Outstanding Principle Amount Fiveto Ten Years InsuredFinancialObligationsMaturitiesofOutstandingPrincipleAmountFivetoTenYears	50698000000	usd
CY2022Q4	ago	Insured Financial Obligations Maturitiesof Outstanding Principle Amount Tento Fifteen Years InsuredFinancialObligationsMaturitiesofOutstandingPrincipleAmountTentoFifteenYears	43432000000	usd
CY2022Q4	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	233258000000	usd
CY2022Q4	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	233258000000	usd
CY2021Q4	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	236392000000	usd
CY2022Q4	ago	Insured Financial Obligations Numberof Contracts InsuredFinancialObligationsNumberofContracts	7583	risk
CY2022Q4	ago	Insured Financial Obligations Outstanding Principal Amount Net InsuredFinancialObligationsOutstandingPrincipalAmountNet	233258000000	usd
CY2022Q4	ago	Insured Financial Obligations Outstanding Principal Amountas Percentageof Total Outstanding Principal InsuredFinancialObligationsOutstandingPrincipalAmountasPercentageofTotalOutstandingPrincipal	1.000
CY2022	ago	Insured Financial Obligations Insured Credit Performanceof Guaranteed Obligations Term InsuredFinancialObligationsInsuredCreditPerformanceofGuaranteedObligationsTerm	P30Y
CY2022Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	522000000	usd
CY2021Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	411000000	usd
CY2022	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	-125000000	usd
CY2021	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	-287000000	usd
CY2020	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	145000000	usd
CY2022	ago	Insured Financial Obligations Claim Liability Weighted Average Risk Free Discount Rate InsuredFinancialObligationsClaimLiabilityWeightedAverageRiskFreeDiscountRate	0.0408
CY2021	ago	Insured Financial Obligations Claim Liability Weighted Average Risk Free Discount Rate InsuredFinancialObligationsClaimLiabilityWeightedAverageRiskFreeDiscountRate	0.0102
CY2021Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	411000000	usd
CY2020Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	529000000	usd
CY2019Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	737000000	usd
CY2022	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Accretion Of Discount GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesAccretionOfDiscount	16000000	usd
CY2021	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Accretion Of Discount GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesAccretionOfDiscount	7000000	usd
CY2020	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Accretion Of Discount GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesAccretionOfDiscount	9000000	usd
CY2022	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Changes In Discount Rates GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesChangesInDiscountRates	-115000000	usd
CY2021	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Changes In Discount Rates GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesChangesInDiscountRates	-33000000	usd
CY2020	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Changes In Discount Rates GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesChangesInDiscountRates	13000000	usd
CY2022	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Changes In Timing And Assumptions GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesChangesInTimingAndAssumptions	-26000000	usd
CY2021	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Changes In Timing And Assumptions GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesChangesInTimingAndAssumptions	-261000000	usd
CY2020	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties Changes In Timing And Assumptions GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarrantiesChangesInTimingAndAssumptions	123000000	usd
CY2022	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	-125000000	usd
CY2021	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	-287000000	usd
CY2020	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	145000000	usd
CY2022	ago	Guarantor Obligations Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAfterRecoveriesforRepresentationsandWarranties	-236000000	usd
CY2021	ago	Guarantor Obligations Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAfterRecoveriesforRepresentationsandWarranties	-169000000	usd
CY2020	ago	Guarantor Obligations Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAfterRecoveriesforRepresentationsandWarranties	353000000	usd
CY2022Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	522000000	usd
CY2021Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	411000000	usd
CY2020Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	529000000	usd
CY2021Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	411000000	usd
CY2022	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	-125000000	usd
CY2022	ago	Guarantor Obligations Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAfterRecoveriesforRepresentationsandWarranties	-236000000	usd
CY2022Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	522000000	usd
CY2020Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	529000000	usd
CY2021	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	-287000000	usd
CY2021	ago	Guarantor Obligations Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAfterRecoveriesforRepresentationsandWarranties	-169000000	usd
CY2021Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	411000000	usd
CY2019Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	737000000	usd
CY2020	ago	Guarantor Obligations Net Expected Loss Development After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLossDevelopmentAfterRecoveriesforRepresentationsandWarranties	145000000	usd
CY2020	ago	Guarantor Obligations Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAfterRecoveriesforRepresentationsandWarranties	353000000	usd
CY2020Q4	ago	Guarantor Obligations Net Expected Losstobe Paid After Recoveriesfor Representationsand Warranties GuarantorObligationsNetExpectedLosstobePaidAfterRecoveriesforRepresentationsandWarranties	529000000	usd
CY2022	ago	Reinsurance Recoverables Periodafter Endof Reporting Periodfor Settlementof Ceded Paid Losses ReinsuranceRecoverablesPeriodafterEndofReportingPeriodforSettlementofCededPaidLosses	P45D
CY2022	ago	Insured Financial Obligations Liabilityfor Unpaid Claims Adjustment Expense Claims Paid InsuredFinancialObligationsLiabilityforUnpaidClaimsAdjustmentExpenseClaimsPaid	33000000	usd
CY2021	ago	Insured Financial Obligations Liabilityfor Unpaid Claims Adjustment Expense Claims Paid InsuredFinancialObligationsLiabilityforUnpaidClaimsAdjustmentExpenseClaimsPaid	36000000	usd
CY2020	ago	Insured Financial Obligations Liabilityfor Unpaid Claims Adjustment Expense Claims Paid InsuredFinancialObligationsLiabilityforUnpaidClaimsAdjustmentExpenseClaimsPaid	25000000	usd
CY2022Q4	ago	Expected Loss Adjustment Expense To Be Paid ExpectedLossAdjustmentExpenseToBePaid	11000000	usd
CY2021Q4	ago	Expected Loss Adjustment Expense To Be Paid ExpectedLossAdjustmentExpenseToBePaid	26000000	usd
CY2022	ago	Guarantor Obligations Projected Loss Assumptions Numberof Scenarios Considered GuarantorObligationsProjectedLossAssumptionsNumberofScenariosConsidered	5	scenario
CY2021	ago	Guarantor Obligations Projected Loss Assumptions Numberof Scenarios Considered GuarantorObligationsProjectedLossAssumptionsNumberofScenariosConsidered	5	scenario
CY2022	ago	Additional Loss Recovery Assumption Recovery Period AdditionalLossRecoveryAssumptionRecoveryPeriod	P5Y
CY2022Q4	ago	Loss Recovery Assumption Additional Decreasein Recovery Projection Percent LossRecoveryAssumptionAdditionalDecreaseinRecoveryProjectionPercent	0.20
CY2022Q4	ago	Loss Recovery Assumption Additional Decreasein Recovery Projection Economic Loss LossRecoveryAssumptionAdditionalDecreaseinRecoveryProjectionEconomicLoss	37000000	usd
CY2022Q4	ago	Loss Recovery Assumption Additional Increasein Recovery Projection Percent LossRecoveryAssumptionAdditionalIncreaseinRecoveryProjectionPercent	0.40
CY2022Q4	ago	Loss Recovery Assumption Additional Increasein Recovery Projection Economic Benefit LossRecoveryAssumptionAdditionalIncreaseinRecoveryProjectionEconomicBenefit	37000000	usd
CY2021	ago	Financial Guarantee Insurance Contracts Net Premiums Receivable Adjustment Accretionof Discounton Net Premium Receivable FinancialGuaranteeInsuranceContractsNetPremiumsReceivableAdjustmentAccretionofDiscountonNetPremiumReceivable	-30000000	usd
CY2022	ago	Financial Guarantee Insurance Contracts Scheduled Net Earned Premiums FinancialGuaranteeInsuranceContractsScheduledNetEarnedPremiums	287000000	usd
CY2021	ago	Financial Guarantee Insurance Contracts Scheduled Net Earned Premiums FinancialGuaranteeInsuranceContractsScheduledNetEarnedPremiums	322000000	usd
CY2020	ago	Financial Guarantee Insurance Contracts Scheduled Net Earned Premiums FinancialGuaranteeInsuranceContractsScheduledNetEarnedPremiums	334000000	usd
CY2022	us-gaap	Financial Guarantee Insurance Contracts Accelerated Premium Revenue Amount FinancialGuaranteeInsuranceContractsAcceleratedPremiumRevenueAmount	179000000	usd
CY2021	us-gaap	Financial Guarantee Insurance Contracts Accelerated Premium Revenue Amount FinancialGuaranteeInsuranceContractsAcceleratedPremiumRevenueAmount	59000000	usd
CY2020	us-gaap	Financial Guarantee Insurance Contracts Accelerated Premium Revenue Amount FinancialGuaranteeInsuranceContractsAcceleratedPremiumRevenueAmount	129000000	usd
CY2022	ago	Financial Guarantee Insurance Contracts Net Premiums Receivable Adjustment Accretionof Discounton Net Premium Receivable FinancialGuaranteeInsuranceContractsNetPremiumsReceivableAdjustmentAccretionofDiscountonNetPremiumReceivable	-24000000	usd
CY2020	ago	Financial Guarantee Insurance Contracts Net Premiums Receivable Adjustment Accretionof Discounton Net Premium Receivable FinancialGuaranteeInsuranceContractsNetPremiumsReceivableAdjustmentAccretionofDiscountonNetPremiumReceivable	-20000000	usd
CY2022	ago	Financial Guarantee Insurance Contracts Premiums Earned Net FinancialGuaranteeInsuranceContractsPremiumsEarnedNet	490000000	usd
CY2021	ago	Financial Guarantee Insurance Contracts Premiums Earned Net FinancialGuaranteeInsuranceContractsPremiumsEarnedNet	411000000	usd
CY2020	ago	Financial Guarantee Insurance Contracts Premiums Earned Net FinancialGuaranteeInsuranceContractsPremiumsEarnedNet	483000000	usd
CY2022	ago	Premiums Earned Net Specialty Insuranceand Reinsurance PremiumsEarnedNetSpecialtyInsuranceandReinsurance	4000000	usd
CY2021	ago	Premiums Earned Net Specialty Insuranceand Reinsurance PremiumsEarnedNetSpecialtyInsuranceandReinsurance	3000000	usd
CY2020	ago	Premiums Earned Net Specialty Insuranceand Reinsurance PremiumsEarnedNetSpecialtyInsuranceandReinsurance	2000000	usd
CY2022	us-gaap	Premiums Earned Net PremiumsEarnedNet	494000000	usd
CY2021	us-gaap	Premiums Earned Net PremiumsEarnedNet	414000000	usd
CY2020	us-gaap	Premiums Earned Net PremiumsEarnedNet	485000000	usd
CY2021Q4	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable FinancialGuaranteeInsuranceContractsPremiumReceivable	1372000000	usd
CY2020Q4	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable FinancialGuaranteeInsuranceContractsPremiumReceivable	1372000000	usd
CY2019Q4	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable FinancialGuaranteeInsuranceContractsPremiumReceivable	1286000000	usd
CY2021Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Specialty Insurance FinancialGuaranteeInsuranceContractsPremiumReceivableSpecialtyInsurance	1000000	usd
CY2020Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Specialty Insurance FinancialGuaranteeInsuranceContractsPremiumReceivableSpecialtyInsurance	1000000	usd
CY2019Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Specialty Insurance FinancialGuaranteeInsuranceContractsPremiumReceivableSpecialtyInsurance	2000000	usd
CY2021Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Excluding Other FinancialGuaranteeInsuranceContractsPremiumReceivableExcludingOther	1371000000	usd
CY2020Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Excluding Other FinancialGuaranteeInsuranceContractsPremiumReceivableExcludingOther	1371000000	usd
CY2019Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Excluding Other FinancialGuaranteeInsuranceContractsPremiumReceivableExcludingOther	1284000000	usd
CY2022	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable New Business Written FinancialGuaranteeInsuranceContractsPremiumReceivableNewBusinessWritten	356000000	usd
CY2021	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable New Business Written FinancialGuaranteeInsuranceContractsPremiumReceivableNewBusinessWritten	369000000	usd
CY2020	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable New Business Written FinancialGuaranteeInsuranceContractsPremiumReceivableNewBusinessWritten	462000000	usd
CY2022	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable Proceeds From Premiums Received FinancialGuaranteeInsuranceContractsPremiumReceivableProceedsFromPremiumsReceived	345000000	usd
CY2021	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable Proceeds From Premiums Received FinancialGuaranteeInsuranceContractsPremiumReceivableProceedsFromPremiumsReceived	383000000	usd
CY2020	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable Proceeds From Premiums Received FinancialGuaranteeInsuranceContractsPremiumReceivableProceedsFromPremiumsReceived	426000000	usd
CY2022	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment Change In Period Of Contract FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentChangeInPeriodOfContract	2000000	usd
CY2021	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment Change In Period Of Contract FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentChangeInPeriodOfContract	6000000	usd
CY2020	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment Change In Period Of Contract FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentChangeInPeriodOfContract	-10000000	usd
CY2022	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Accretion Of Discount On Premium Receivable FinancialGuaranteeInsuranceContractsPremiumsReceivableAccretionOfDiscountOnPremiumReceivable	24000000	usd
CY2021	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Accretion Of Discount On Premium Receivable FinancialGuaranteeInsuranceContractsPremiumsReceivableAccretionOfDiscountOnPremiumReceivable	26000000	usd
CY2020	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Accretion Of Discount On Premium Receivable FinancialGuaranteeInsuranceContractsPremiumsReceivableAccretionOfDiscountOnPremiumReceivable	18000000	usd
CY2022	ago	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment Foreign Exchange Translation FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentForeignExchangeTranslation	-111000000	usd
CY2021	ago	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment Foreign Exchange Translation FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentForeignExchangeTranslation	-22000000	usd
CY2020	ago	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment Foreign Exchange Translation FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentForeignExchangeTranslation	43000000	usd
CY2022	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustment	0	usd
CY2021	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustment	4000000	usd
CY2020	us-gaap	Financial Guarantee Insurance Contracts Premiums Receivable Adjustment FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustment	0	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Excluding Other FinancialGuaranteeInsuranceContractsPremiumReceivableExcludingOther	1297000000	usd
CY2021Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Excluding Other FinancialGuaranteeInsuranceContractsPremiumReceivableExcludingOther	1371000000	usd
CY2020Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Excluding Other FinancialGuaranteeInsuranceContractsPremiumReceivableExcludingOther	1371000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Specialty Insurance FinancialGuaranteeInsuranceContractsPremiumReceivableSpecialtyInsurance	1000000	usd
CY2021Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Specialty Insurance FinancialGuaranteeInsuranceContractsPremiumReceivableSpecialtyInsurance	1000000	usd
CY2020Q4	ago	Financial Guarantee Insurance Contracts Premium Receivable Specialty Insurance FinancialGuaranteeInsuranceContractsPremiumReceivableSpecialtyInsurance	1000000	usd
CY2022Q4	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable FinancialGuaranteeInsuranceContractsPremiumReceivable	1298000000	usd
CY2021Q4	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable FinancialGuaranteeInsuranceContractsPremiumReceivable	1372000000	usd
CY2020Q4	us-gaap	Financial Guarantee Insurance Contracts Premium Receivable FinancialGuaranteeInsuranceContractsPremiumReceivable	1372000000	usd
CY2021Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	131000000	usd
CY2020Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	119000000	usd
CY2019Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	111000000	usd
CY2022	us-gaap	Deferred Policy Acquisition Costs Additions DeferredPolicyAcquisitionCostsAdditions	30000000	usd
CY2021	us-gaap	Deferred Policy Acquisition Costs Additions DeferredPolicyAcquisitionCostsAdditions	26000000	usd
CY2020	us-gaap	Deferred Policy Acquisition Costs Additions DeferredPolicyAcquisitionCostsAdditions	24000000	usd
CY2022	ago	Deferred Policy Acquisition Cost Amortization Expense Including Accretion Of Discount On Commissions DeferredPolicyAcquisitionCostAmortizationExpenseIncludingAccretionOfDiscountOnCommissions	14000000	usd
CY2021	ago	Deferred Policy Acquisition Cost Amortization Expense Including Accretion Of Discount On Commissions DeferredPolicyAcquisitionCostAmortizationExpenseIncludingAccretionOfDiscountOnCommissions	14000000	usd
CY2020	ago	Deferred Policy Acquisition Cost Amortization Expense Including Accretion Of Discount On Commissions DeferredPolicyAcquisitionCostAmortizationExpenseIncludingAccretionOfDiscountOnCommissions	16000000	usd
CY2022Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	147000000	usd
CY2021Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	131000000	usd
CY2020Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	119000000	usd
CY2022	us-gaap	Financial Guarantee Insurance Contracts Claim Liability Weighted Average Risk Free Discount Rate FinancialGuaranteeInsuranceContractsClaimLiabilityWeightedAverageRiskFreeDiscountRate	0.0415
CY2021	us-gaap	Financial Guarantee Insurance Contracts Claim Liability Weighted Average Risk Free Discount Rate FinancialGuaranteeInsuranceContractsClaimLiabilityWeightedAverageRiskFreeDiscountRate	0.0102
CY2022Q4	ago	Reserve For Losses And Loss Adjustment Expenses Net Of Reinsurance And Salvage And Subrogation Recoveries ReserveForLossesAndLossAdjustmentExpensesNetOfReinsuranceAndSalvageAndSubrogationRecoveries	37000000	usd
CY2021Q4	ago	Reserve For Losses And Loss Adjustment Expenses Net Of Reinsurance And Salvage And Subrogation Recoveries ReserveForLossesAndLossAdjustmentExpensesNetOfReinsuranceAndSalvageAndSubrogationRecoveries	79000000	usd
CY2022Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	296000000	usd
CY2021Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	869000000	usd
CY2022Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	3000000	usd
CY2021Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	5000000	usd
CY2022Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	293000000	usd
CY2021Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	864000000	usd
CY2022Q4	us-gaap	Salvage And Subrogation Recoveries Value SalvageAndSubrogationRecoveriesValue	257000000	usd
CY2021Q4	us-gaap	Salvage And Subrogation Recoveries Value SalvageAndSubrogationRecoveriesValue	801000000	usd
CY2022Q4	ago	Ceded Salvage And Subrogation Recoveries Value CededSalvageAndSubrogationRecoveriesValue	1000000	usd
CY2021Q4	ago	Ceded Salvage And Subrogation Recoveries Value CededSalvageAndSubrogationRecoveriesValue	16000000	usd
CY2022Q4	ago	Reservefor Lossesand Loss Adjustment Expenses Netof Reinsuranceand Salvageand Subrogation Including Other Recoverables ReserveforLossesandLossAdjustmentExpensesNetofReinsuranceandSalvageandSubrogationIncludingOtherRecoverables	-256000000	usd
CY2021Q4	ago	Reservefor Lossesand Loss Adjustment Expenses Netof Reinsuranceand Salvageand Subrogation Including Other Recoverables ReserveforLossesandLossAdjustmentExpensesNetofReinsuranceandSalvageandSubrogationIncludingOtherRecoverables	-785000000	usd
CY2022Q4	ago	Liabilityfor Unpaid Claimsand Claims Adjustment Expense Netof Reinsuranceand Salvage Subrogationand Other Recoveries LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseNetofReinsuranceandSalvageSubrogationandOtherRecoveries	37000000	usd
CY2021Q4	ago	Liabilityfor Unpaid Claimsand Claims Adjustment Expense Netof Reinsuranceand Salvage Subrogationand Other Recoveries LiabilityforUnpaidClaimsandClaimsAdjustmentExpenseNetofReinsuranceandSalvageSubrogationandOtherRecoveries	79000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensed During First Quarter Following Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedDuringFirstQuarterFollowingBalanceSheetDate	2000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensed During Second Quarter Following Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedDuringSecondQuarterFollowingBalanceSheetDate	2000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensed During Third Quarter Following Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedDuringThirdQuarterFollowingBalanceSheetDate	3000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensed During Fourth Quarter Following Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedDuringFourthQuarterFollowingBalanceSheetDate	3000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensed During Fiscal Year Following Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedDuringFiscalYearFollowingBalanceSheetDate	10000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensedin Second Full Fiscal Year FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedinSecondFullFiscalYear	12000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensedin Third Full Fiscal Year FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedinThirdFullFiscalYear	13000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensedin Fourth Full Fiscal Year FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedinFourthFullFiscalYear	17000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensedin Fifth Full Fiscal Year FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedinFifthFullFiscalYear	15000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensed Morethan Fiveand Within10 Yearsfrom Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedMorethanFiveandWithin10YearsfromBalanceSheetDate	61000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensed Morethan10andwithin15 Yearsfrom Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedMorethan10andwithin15YearsfromBalanceSheetDate	43000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensed Morethan15andwithin20 Yearsfrom Balance Sheet Date FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedMorethan15andwithin20YearsfromBalanceSheetDate	8000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Future Expected Net Losstobe Expensed Beyond Twentieth Fiscal Year FinancialGuaranteeInsuranceContractsFutureExpectedNetLosstobeExpensedBeyondTwentiethFiscalYear	12000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Net Losstobe Expensed Present Value FinancialGuaranteeInsuranceContractsNetLosstobeExpensedPresentValue	191000000	usd
CY2022Q4	ago	Scheduleof Insured Financial Obligationswith Credit Deterioration Reductionsof Gross Claim Liability Netof Reinsurance Recoverable Discount ScheduleofInsuredFinancialObligationswithCreditDeteriorationReductionsofGrossClaimLiabilityNetofReinsuranceRecoverableDiscount	82000000	usd
CY2022Q4	ago	Financial Guarantee Insurance Contracts Net Losstobe Expensed Undiscounted FinancialGuaranteeInsuranceContractsNetLosstobeExpensedUndiscounted	273000000	usd
CY2020	us-gaap	Ceded Premiums Earned CededPremiumsEarned	4000000	usd
CY2022	us-gaap	Premiums Earned Net PremiumsEarnedNet	494000000	usd
CY2021	us-gaap	Premiums Earned Net PremiumsEarnedNet	414000000	usd
CY2022	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	16000000	usd
CY2021	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	-220000000	usd
CY2020	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	203000000	usd
CY2022Q4	ago	Insured Financial Obligations Insured Contractual Payments Outstanding Gross InsuredFinancialObligationsInsuredContractualPaymentsOutstandingGross	370200000000	usd
CY2022Q4	ago	Insured Financial Obligations Insured Contractual Payments Outstanding Gross InsuredFinancialObligationsInsuredContractualPaymentsOutstandingGross	370200000000	usd
CY2022Q4	ago	Specialty Insuranceand Reinsurance Gross Par SpecialtyInsuranceandReinsuranceGrossPar	1700000000	usd
CY2020	ago	Increase Decrease In Net Par Due To Commutations IncreaseDecreaseInNetParDueToCommutations	336000000	usd
CY2020	ago	Gain Loss From Commutations GainLossFromCommutations	38000000	usd
CY2022	us-gaap	Direct Premiums Written DirectPremiumsWritten	377000000	usd
CY2021	us-gaap	Direct Premiums Written DirectPremiumsWritten	355000000	usd
CY2020	us-gaap	Direct Premiums Written DirectPremiumsWritten	453000000	usd
CY2022	us-gaap	Assumed Premiums Written AssumedPremiumsWritten	-17000000	usd
CY2021	us-gaap	Assumed Premiums Written AssumedPremiumsWritten	22000000	usd
CY2020	us-gaap	Assumed Premiums Written AssumedPremiumsWritten	1000000	usd
CY2022	us-gaap	Ceded Premiums Written CededPremiumsWritten	0	usd
CY2021	us-gaap	Ceded Premiums Written CededPremiumsWritten	0	usd
CY2020	us-gaap	Ceded Premiums Written CededPremiumsWritten	13000000	usd
CY2022	us-gaap	Premiums Written Net PremiumsWrittenNet	360000000	usd
CY2021	us-gaap	Premiums Written Net PremiumsWrittenNet	377000000	usd
CY2020	us-gaap	Premiums Written Net PremiumsWrittenNet	467000000	usd
CY2022	us-gaap	Direct Premiums Earned DirectPremiumsEarned	469000000	usd
CY2021	us-gaap	Direct Premiums Earned DirectPremiumsEarned	385000000	usd
CY2020	us-gaap	Direct Premiums Earned DirectPremiumsEarned	448000000	usd
CY2022	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	28000000	usd
CY2021	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	32000000	usd
CY2020	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	41000000	usd
CY2022	us-gaap	Ceded Premiums Earned CededPremiumsEarned	3000000	usd
CY2021	us-gaap	Ceded Premiums Earned CededPremiumsEarned	3000000	usd
CY2020	us-gaap	Premiums Earned Net PremiumsEarnedNet	485000000	usd
CY2022	ago	Policyholder Benefits And Claims Expense Benefit Direct PolicyholderBenefitsAndClaimsExpenseBenefitDirect	32000000	usd
CY2021	ago	Policyholder Benefits And Claims Expense Benefit Direct PolicyholderBenefitsAndClaimsExpenseBenefitDirect	-203000000	usd
CY2020	ago	Policyholder Benefits And Claims Expense Benefit Direct PolicyholderBenefitsAndClaimsExpenseBenefitDirect	182000000	usd
CY2022	ago	Policyholder Benefits And Claims Incurred Assumed Benefit Loss PolicyholderBenefitsAndClaimsIncurredAssumedBenefitLoss	-17000000	usd
CY2021	ago	Policyholder Benefits And Claims Incurred Assumed Benefit Loss PolicyholderBenefitsAndClaimsIncurredAssumedBenefitLoss	5000000	usd
CY2020	ago	Policyholder Benefits And Claims Incurred Assumed Benefit Loss PolicyholderBenefitsAndClaimsIncurredAssumedBenefitLoss	24000000	usd
CY2022	ago	Policyholder Benefits And Claims Incurred Ceded Benefit Loss PolicyholderBenefitsAndClaimsIncurredCededBenefitLoss	-1000000	usd
CY2021	ago	Policyholder Benefits And Claims Incurred Ceded Benefit Loss PolicyholderBenefitsAndClaimsIncurredCededBenefitLoss	22000000	usd
CY2020	ago	Policyholder Benefits And Claims Incurred Ceded Benefit Loss PolicyholderBenefitsAndClaimsIncurredCededBenefitLoss	3000000	usd
CY2022	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	16000000	usd
CY2021	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	-220000000	usd
CY2020	us-gaap	Policyholder Benefits And Claims Incurred Net PolicyholderBenefitsAndClaimsIncurredNet	203000000	usd
CY2022	us-gaap	Average Term Of Credit Risk Derivatives1 AverageTermOfCreditRiskDerivatives1	P12Y9M18D
CY2021	us-gaap	Average Term Of Credit Risk Derivatives1 AverageTermOfCreditRiskDerivatives1	P13Y2M12D
CY2022Q4	ago	Financial Guaranty Contracts Accountedforas Credit Derivatives Outstanding Principal Amount FinancialGuarantyContractsAccountedforasCreditDerivativesOutstandingPrincipalAmount	3203000000	usd
CY2022Q4	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	-162000000	usd
CY2021Q4	ago	Financial Guaranty Contracts Accountedforas Credit Derivatives Outstanding Principal Amount FinancialGuarantyContractsAccountedforasCreditDerivativesOutstandingPrincipalAmount	4040000000	usd
CY2021Q4	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	-154000000	usd
CY2022Q4	ago	Expected Losson Credit Derivativeto Be Paid Recovered Including Representationand Warranty Liability Benefit ExpectedLossonCreditDerivativetoBePaidRecoveredIncludingRepresentationandWarrantyLiabilityBenefit	3000000	usd
CY2021Q4	ago	Expected Losson Credit Derivativeto Be Paid Recovered Including Representationand Warranty Liability Benefit ExpectedLossonCreditDerivativetoBePaidRecoveredIncludingRepresentationandWarrantyLiabilityBenefit	5000000	usd
CY2022	ago	Credit Derivative Realized Gain Lossand Other Settlements CreditDerivativeRealizedGainLossandOtherSettlements	-2000000	usd
CY2021	ago	Credit Derivative Realized Gain Lossand Other Settlements CreditDerivativeRealizedGainLossandOtherSettlements	-3000000	usd
CY2020	ago	Credit Derivative Realized Gain Lossand Other Settlements CreditDerivativeRealizedGainLossandOtherSettlements	-4000000	usd
CY2022	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-9000000	usd
CY2021	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-55000000	usd
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	85000000	usd
CY2022	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-11000000	usd
CY2021	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-58000000	usd
CY2020	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	81000000	usd
CY2022Q4	ago	Credit Risk Derivatives At Fair Value Before Effect Of Credit Spread Net CreditRiskDerivativesAtFairValueBeforeEffectOfCreditSpreadNet	-207000000	usd
CY2021Q4	ago	Credit Risk Derivatives At Fair Value Before Effect Of Credit Spread Net CreditRiskDerivativesAtFairValueBeforeEffectOfCreditSpreadNet	-225000000	usd
CY2022Q4	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Liabilities DerivativeCreditRiskValuationAdjustmentDerivativeLiabilities	45000000	usd
CY2021Q4	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Liabilities DerivativeCreditRiskValuationAdjustmentDerivativeLiabilities	71000000	usd
CY2022Q4	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	-162000000	usd
CY2021Q4	us-gaap	Credit Risk Derivatives At Fair Value Net CreditRiskDerivativesAtFairValueNet	-154000000	usd
CY2022	ago	Numberof Outside Managers Managing Investment Portfolio NumberofOutsideManagersManagingInvestmentPortfolio	3	manager
CY2022Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	303000000	usd
CY2021Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	0	usd
CY2022Q4	us-gaap	Short Term Investments ShortTermInvestments	810000000	usd
CY2021Q4	us-gaap	Short Term Investments ShortTermInvestments	1225000000	usd
CY2022Q4	us-gaap	Investments Investments	8365000000	usd
CY2021Q4	us-gaap	Investments Investments	9608000000	usd
CY2022Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	71000000	usd
CY2021Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	69000000	usd
CY2022Q4	ago	Government Agency Obligations As Percentage Of Total Mortgage Backed Securities GovernmentAgencyObligationsAsPercentageOfTotalMortgageBackedSecurities	0.30
CY2021Q4	ago	Government Agency Obligations As Percentage Of Total Mortgage Backed Securities GovernmentAgencyObligationsAsPercentageOfTotalMortgageBackedSecurities	0.31
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	3751000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	213000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	1017000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	239000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	4768000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	452000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	1340	security
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	466	security
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	1776	security
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	804000000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	17000000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	120000000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	9000000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	924000000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	26000000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	355	security
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	60	security
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	410	security
CY2022Q4	ago	Available For Sale Securities Continuous Unrealized Loss Position Greater Than10 Percent Of Book Value Twelve Months Or Longer Number AvailableForSaleSecuritiesContinuousUnrealizedLossPositionGreaterThan10PercentOfBookValueTwelveMonthsOrLongerNumber	567	security
CY2021Q4	ago	Available For Sale Securities Continuous Unrealized Loss Position Greater Than10 Percent Of Book Value Twelve Months Or Longer Number AvailableForSaleSecuritiesContinuousUnrealizedLossPositionGreaterThan10PercentOfBookValueTwelveMonthsOrLongerNumber	23	security
CY2022Q4	ago	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Greater Than10 Percent Book Value Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerGreaterThan10PercentBookValueAggregateLosses	329000000	usd
CY2021Q4	ago	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Greater Than10 Percent Book Value Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerGreaterThan10PercentBookValueAggregateLosses	6000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	7707000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	7119000000	usd
CY2022Q4	us-gaap	Assets Held In Trust AssetsHeldInTrust	222000000	usd
CY2021Q4	us-gaap	Assets Held In Trust AssetsHeldInTrust	243000000	usd
CY2022Q4	ago	Investment Non Income Producing Value InvestmentNonIncomeProducingValue	0	usd
CY2021Q4	ago	Investment Non Income Producing Value InvestmentNonIncomeProducingValue	0	usd
CY2022	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	274000000	usd
CY2021	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	275000000	usd
CY2020	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	304000000	usd
CY2022	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	5000000	usd
CY2021	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	6000000	usd
CY2020	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	7000000	usd
CY2022	us-gaap	Net Investment Income NetInvestmentIncome	269000000	usd
CY2021	us-gaap	Net Investment Income NetInvestmentIncome	269000000	usd
CY2020	us-gaap	Net Investment Income NetInvestmentIncome	297000000	usd
CY2022	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	-34000000	usd
CY2021	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	0	usd
CY2020	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	0	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-39000000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	94000000	usd
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	27000000	usd
CY2022	us-gaap	Fair Value Asset Liability Recurring Basis Still Held Unrealized Gain Loss FairValueAssetLiabilityRecurringBasisStillHeldUnrealizedGainLoss	29000000	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	3000000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	20000000	usd
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	27000000	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	45000000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	5000000	usd
CY2020	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	5000000	usd
CY2022	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-4000000	usd
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	2000000	usd
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	6000000	usd
CY2022	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Period Increase Decrease DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossPeriodIncreaseDecrease	21000000	usd
CY2021	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Period Increase Decrease DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossPeriodIncreaseDecrease	7000000	usd
CY2020	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Period Increase Decrease DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossPeriodIncreaseDecrease	17000000	usd
CY2022	ago	Net Realized Investment Gains Losses NetRealizedInvestmentGainsLosses	11000000	usd
CY2021	ago	Net Realized Investment Gains Losses NetRealizedInvestmentGainsLosses	5000000	usd
CY2020	ago	Net Realized Investment Gains Losses NetRealizedInvestmentGainsLosses	7000000	usd
CY2022	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	-56000000	usd
CY2021	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	15000000	usd
CY2020	us-gaap	Debt Securities Realized Gain Loss DebtSecuritiesRealizedGainLoss	18000000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	42000000	usd
CY2020Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	78000000	usd
CY2019Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	0	usd
CY2022	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Not Previously Recorded DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossNotPreviouslyRecorded	7000000	usd
CY2021	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Not Previously Recorded DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossNotPreviouslyRecorded	4000000	usd
CY2020	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Not Previously Recorded DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossNotPreviouslyRecorded	1000000	usd
CY2022	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Purchased With Credit Deterioration Increase DebtSecuritiesAvailableForSaleAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease	2000000	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	0	usd
CY2022	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Not To Sell Before Recovery Credit Loss Previously Recorded Expense Reversal DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossNotToSellBeforeRecoveryCreditLossPreviouslyRecordedExpenseReversal	14000000	usd
CY2021	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Not To Sell Before Recovery Credit Loss Previously Recorded Expense Reversal DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossNotToSellBeforeRecoveryCreditLossPreviouslyRecordedExpenseReversal	2000000	usd
CY2020	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Not To Sell Before Recovery Credit Loss Previously Recorded Expense Reversal DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossNotToSellBeforeRecoveryCreditLossPreviouslyRecordedExpenseReversal	15000000	usd
CY2022	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Securities Sold DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossSecuritiesSold	0	usd
CY2021	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Securities Sold DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossSecuritiesSold	42000000	usd
CY2020	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Securities Sold DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossSecuritiesSold	0	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	65000000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	42000000	usd
CY2020Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	78000000	usd
CY2022	us-gaap	Debt Securities Available For Sale Purchased With Credit Deterioration Amount At Purchase Price DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtPurchasePrice	22000000	usd
CY2022	us-gaap	Debt Securities Available For Sale Purchased With Credit Deterioration Amount At Par Value DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationAmountAtParValue	31000000	usd
CY2022	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Purchased With Credit Deterioration Allowance For Credit Loss At Acquisition Date DebtSecuritiesAvailableForSaleExcludingAccruedInterestPurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate	2000000	usd
CY2022	us-gaap	Debt Securities Available For Sale Purchased With Credit Deterioration Discount Premium DebtSecuritiesAvailableForSalePurchasedWithCreditDeteriorationDiscountPremium	7000000	usd
CY2022Q4	ago	Variable Interest Entity Numberof Policiesthat Contain Provisionsfor Consolidation VariableInterestEntityNumberofPoliciesthatContainProvisionsforConsolidation	85	policy
CY2022Q4	ago	Variable Interest Entity Other Consolidated Carrying Amount Assets VariableInterestEntityOtherConsolidatedCarryingAmountAssets	86000000	usd
CY2022Q4	ago	Variable Interest Entity Other Consolidated Carrying Amount Liabilities VariableInterestEntityOtherConsolidatedCarryingAmountLiabilities	12000000	usd
CY2021Q4	ago	Variable Interest Entity Other Consolidated Carrying Amount Assets VariableInterestEntityOtherConsolidatedCarryingAmountAssets	96000000	usd
CY2021Q4	ago	Variable Interest Entity Other Consolidated Carrying Amount Liabilities VariableInterestEntityOtherConsolidatedCarryingAmountLiabilities	11000000	usd
CY2022Q4	ago	Variable Interest Entity Numberof Policies Monitored VariableInterestEntityNumberofPoliciesMonitored	15000	policy
CY2022Q4	ago	Variable Interest Entity Numberof Policies Monitored Not Withinthe Scopeof Asc810 VariableInterestEntityNumberofPoliciesMonitoredNotWithintheScopeofASC810	14000	policy
CY2021Q4	ago	Variable Interest Entity Numberof Policiesthat Contain Provisionsfor Consolidation VariableInterestEntityNumberofPoliciesthatContainProvisionsforConsolidation	69	policy
CY2021Q4	us-gaap	Variable Interest Entity Entity Maximum Loss Exposure Amount VariableInterestEntityEntityMaximumLossExposureAmount	1000000	usd
CY2022Q4	us-gaap	Variable Interest Entity Entity Maximum Loss Exposure Amount VariableInterestEntityEntityMaximumLossExposureAmount	1000000	usd
CY2022Q4	us-gaap	Assets Sold Under Agreements To Repurchase Repurchase Liability AssetsSoldUnderAgreementsToRepurchaseRepurchaseLiability	35000000	usd
CY2021Q4	us-gaap	Assets Sold Under Agreements To Repurchase Repurchase Liability AssetsSoldUnderAgreementsToRepurchaseRepurchaseLiability	37000000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	93000000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	88000000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	89000000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	117000000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	117000000	usd
CY2022	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P4Y7M6D
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	82000000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	82000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	42000000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	30000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	40000000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	52000000	usd
CY2022Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	6000000	usd
CY2021Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	6000000	usd
CY2022Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	163000000	usd
CY2021Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	175000000	usd
CY2022Q4	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Amount BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount	92000000	usd
CY2021Q4	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Amount BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount	99000000	usd
CY2022	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	usd
CY2022	us-gaap	Adjustment For Amortization AdjustmentForAmortization	11000000	usd
CY2021	us-gaap	Adjustment For Amortization AdjustmentForAmortization	12000000	usd
CY2020	us-gaap	Adjustment For Amortization AdjustmentForAmortization	13000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	11000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	10000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	6000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	5000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	5000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	3000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	40000000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	330000000	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	usd
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	usd
CY2022Q4	ago	Long Term Debt Maturities Repayments Of Principal In Years Six Through Twenty Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearsSixThroughTwentyFive	700000000	usd
CY2022Q4	ago	Long Term Debt Maturities Repayments Of Principal In Years Twenty Six Through Forty Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearsTwentySixThroughFortyFive	696000000	usd
CY2022Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1726000000	usd
CY2022	us-gaap	Interest Expense InterestExpense	81000000	usd
CY2021	us-gaap	Interest Expense InterestExpense	87000000	usd
CY2020	us-gaap	Interest Expense InterestExpense	85000000	usd
CY2022	ago	Share Basedand Employee Stock Purchase Plan Expense Netof Capitalized Costs ShareBasedandEmployeeStockPurchasePlanExpenseNetofCapitalizedCosts	39000000	usd
CY2021	ago	Share Basedand Employee Stock Purchase Plan Expense Netof Capitalized Costs ShareBasedandEmployeeStockPurchasePlanExpenseNetofCapitalizedCosts	27000000	usd
CY2020	ago	Share Basedand Employee Stock Purchase Plan Expense Netof Capitalized Costs ShareBasedandEmployeeStockPurchasePlanExpenseNetofCapitalizedCosts	25000000	usd
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CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	20000000	usd
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CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	33000000	usd
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CY2021Q4	ago	Deferred Tax Assets Liabilities Net Current1 DeferredTaxAssetsLiabilitiesNetCurrent1	-43000000	usd
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CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	24000000	usd
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CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	29000000	usd
CY2022Q4	ago	Deferred Tax Assets Tax Deferred Expense Foreign Affiliates DeferredTaxAssetsTaxDeferredExpenseForeignAffiliates	14000000	usd
CY2021Q4	ago	Deferred Tax Assets Tax Deferred Expense Foreign Affiliates DeferredTaxAssetsTaxDeferredExpenseForeignAffiliates	0	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	23000000	usd
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CY2022Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	14000000	usd
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CY2021Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	20000000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	129000000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	204000000	usd
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CY2022Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	121000000	usd
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CY2021Q4	us-gaap	Tax Credit Carryforward Valuation Allowance TaxCreditCarryforwardValuationAllowance	24000000	usd
CY2022Q4	us-gaap	Tax Credit Carryforward Valuation Allowance TaxCreditCarryforwardValuationAllowance	5000000	usd
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CY2022	ago	Deferred Tax Assets Realization Assessment Period For Which Cumulative Operating Income Considered DeferredTaxAssetsRealizationAssessmentPeriodForWhichCumulativeOperatingIncomeConsidered	P3Y
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CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	83000000	usd
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CY2021	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	19000000	usd
CY2020	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	20000000	usd
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CY2021	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	0	usd
CY2020	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-17000000	usd
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CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	12000000	usd
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CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4000000	usd
CY2022	ago	Effective Income Tax Rate Reconciliation Taxeson Reinsurance Amount EffectiveIncomeTaxRateReconciliationTaxesonReinsuranceAmount	0	usd
CY2021	ago	Effective Income Tax Rate Reconciliation Taxeson Reinsurance Amount EffectiveIncomeTaxRateReconciliationTaxesonReinsuranceAmount	-2000000	usd
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CY2022	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	6000000	usd
CY2021	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	8000000	usd
CY2020	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-3000000	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	5000000	usd
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CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	0	usd
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CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-4000000	usd
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CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	477000000	usd
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CY2021	us-gaap	Revenues Revenues	848000000	usd
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CY2022	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0	usd
CY2020	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	300000	usd
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CY2022Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	0	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	0	usd
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	15000000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	0	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	0	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	0	usd
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CY2022Q4	ago	Operating Leases Rented Area OperatingLeasesRentedArea	271000	sqft
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CY2021Q4	ago	Financeand Operating Lease Rightof Use Asset FinanceandOperatingLeaseRightofUseAsset	100000000	usd
CY2021Q4	ago	Financeand Operating Lease Liability FinanceandOperatingLeaseLiability	136000000	usd
CY2022	ago	Finance And Operating Lease Weighted Average Remaining Lease Term FinanceAndOperatingLeaseWeightedAverageRemainingLeaseTerm	P8Y2M12D
CY2021	ago	Finance And Operating Lease Weighted Average Remaining Lease Term FinanceAndOperatingLeaseWeightedAverageRemainingLeaseTerm	P8Y7M6D
CY2022Q4	ago	Finance And Operating Lease Weighted Average Discount Rate Percent FinanceAndOperatingLeaseWeightedAverageDiscountRatePercent	0.0249
CY2021Q4	ago	Finance And Operating Lease Weighted Average Discount Rate Percent FinanceAndOperatingLeaseWeightedAverageDiscountRatePercent	0.0240
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	16000000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	16000000	usd
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	30000000	usd
CY2022	ago	Variable Short Term And Finance Lease Costs VariableShortTermAndFinanceLeaseCosts	3000000	usd
CY2021	ago	Variable Short Term And Finance Lease Costs VariableShortTermAndFinanceLeaseCosts	3000000	usd
CY2020	ago	Variable Short Term And Finance Lease Costs VariableShortTermAndFinanceLeaseCosts	4000000	usd
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CY2022	us-gaap	Lease Cost LeaseCost	12000000	usd
CY2021	us-gaap	Lease Cost LeaseCost	14000000	usd
CY2020	us-gaap	Lease Cost LeaseCost	31000000	usd
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CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	20000000	usd
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CY2020	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	13000000	usd
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CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	129000000	usd
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CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	116000000	usd
CY2022Q4	ago	Common Stock Shares Authorized Value CommonStockSharesAuthorizedValue	5000000	usd
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
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CY2022	ago	Percentageof Controlled Sharesas Determined Pursuantto Section958 PercentageofControlledSharesasDeterminedPursuanttoSection958	0.095
CY2022	ago	Percentageof Controlled Sharesas Determined Pursuantto Section958 PercentageofControlledSharesasDeterminedPursuanttoSection958	0.095
CY2022	ago	Percentageof Controlled Sharesas Determined Pursuantto Section958 PercentageofControlledSharesasDeterminedPursuanttoSection958	0.095
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CY2022	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.25
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CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-198000000	usd
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CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	156000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	124000000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	389000000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	362000000	usd
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CY2020	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	1000000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	123000000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	389000000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	361000000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	62900000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73500000	shares
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CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.95
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.29
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CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	123000000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	389000000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	361000000	usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	usd
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CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	361000000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	62900000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73500000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	85500000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000.0	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	800000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	700000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	63900000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	74300000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	86200000	shares
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.92
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.23
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.19
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	600000	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	100000	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	800000	shares

Files In Submission

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2023 Q1 Form 10-K Financial Statement

#000127381323000005 Filed on March 01, 2023

Income Statement

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$AGO ASSURED GUARANTY LTD Stock $ago

2023 Q1 Form 10-K Financial Statement

#000127381323000005 Filed on March 01, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AGO
ASSURED GUARANTY LTD Stock $ago