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Financing Receivable, Collateralized By Properties, Number Of States

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Interest Income, Securities, Collateral Upgrade, US Treasury and Other US Government

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Security Sold under Agreement to Repurchase, Collateral Upgrade, Subject to Master Netting Arrangement, before Offset

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Security Sold under Agreement to Repurchase, Collateral Upgrade, Subject to Master Netting Arrangement, Termination Notice

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense.

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Amount of operating interest income, including amortization and accretion of premiums and discounts, on U.S. Treasury securities and other U.S. government securities.

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Amount of investments classified as other.

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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Investments - Narrative (Details) $ in Millions	1 Months Ended	3 Months Ended			9 Months Ended		12 Months Ended
Investments - Narrative (Details) $ in Millions	Feb. 28, 2026 USD ($)	Sep. 30, 2026 USD ($) state	Sep. 30, 2025 USD ($)	Mar. 31, 2024 USD ($)	Sep. 30, 2026 USD ($) state	Sep. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)
Percent of total debt securities carrying value
Investment management arrangement, term	10 years
Investment management arrangement, automatic renewal term	1 year
Investment management arrangement, automatic renewal, permissible period	15 years
Debt securities, rated by investment advisor		$ 848			$ 848		$ 606
Securities on deposit with regulatory authorities		52			52		57
Accrued interest written off		0	$ 4		3	$ 5
Aggregate fair value of securities sold at a loss		$ 506	$ 283		$ 1,700	$ 1,500
Aggregate fair value of securities sold at a loss, percentage of book value		90.00%	95.00%		93.00%	95.00%
Proceeds from sales of available-for-sale debt securities		$ 700	$ 900		$ 2,600	$ 2,700
Unconsolidated VIEs, exposure to loss		3,176			3,176		2,709
Equity securities		257			257		172
Stressed loans		20	5		20	5
Policy loans, fair value under fair value option		3,535			3,535		3,537
Policy loans not held as collateral for reinsurance		900			900		900
Other invested assets		3,508			3,508		3,185
Securities loaned		$ 28			$ 28		34
Securities loaned, minimum percent of fair value required as collateral		102.00%			102.00%
Securities loaned, cash collateral		$ 29			$ 29		35
Outstanding repurchase agreement balance		500			500		1,001
Gross interest income					500		1,000
Gross interest expense		37	25		89	75
Collateral upgrade transactions		$ 1,416			$ 1,416		1,498
TPG, Inc.
Percent of total debt securities carrying value
Payments to acquire equity stake	$ 500
Sale of stock, consideration received	$ 150
Commercial mortgage loans
Percent of total debt securities carrying value
Financing receivables, collateralized by properties, number of states \| state		35			35
Residential mortgage loans
Percent of total debt securities carrying value
Financing receivables, collateralized by properties, number of states \| state		48			48
Unfunded Loan Commitment
Percent of total debt securities carrying value
Modified loans, unfunded commitment					$ 8
Unconsolidated VIEs
Percent of total debt securities carrying value
Equity securities		$ 49			$ 49		$ 21
Corporate securities, utilities
Percent of total debt securities carrying value
Unrealized losses		20.00%			20.00%		18.00%
Corporate debt securities, financial services
Percent of total debt securities carrying value
Unrealized losses		13.00%			13.00%
Corporate securities \| Single corporate obligor
Percent of total debt securities carrying value
Largest unrealized loss to a single corporate obligor		$ 67			$ 67		$ 55
Corporate debt securities, healthcare
Percent of total debt securities carrying value
Unrealized losses							13.00%
Equity securities
Percent of total debt securities carrying value
Unrealized gain (losses) on investments		0	6		(58)	8
Investment in Federal Home Loan Bank Stock
Percent of total debt securities carrying value
Other invested assets		90			90		$ 119
Real estate
Percent of total debt securities carrying value
Other invested assets		220			220		230
Real estate, foreclosed properties
Percent of total debt securities carrying value
Other invested assets		15			15		20
Limited partnerships
Percent of total debt securities carrying value
Other invested assets		3,200			3,200		2,800
Repurchase agreements
Percent of total debt securities carrying value
Gross interest expense		0	14		3	42
Collateral upgrade transactions
Percent of total debt securities carrying value
Gross interest income		14	17		42	50
Gross interest expense		$ 16	$ 19		49	$ 57
Collateral upgrade transactions				$ 1,500
Period of notice prior to termination				150 days
Corporate securities, collateral upgrade					$ 1,600		$ 1,600
Below investment grade or not rated
Percent of total debt securities carrying value
Unrealized losses		19.00%			19.00%		19.00%