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Financing Receivable, Allowance For Credit Loss, Probability of Projected Loss, Default, Projection Model, Using Market Historical Loss, Period

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Number Of Mortgage Loans Delinquent In Principal Or Interest

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Residential Mortgage Loans, Location Percentage

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Percentage of the total residential loan portfolio

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Carrying amount of cash and investment securities on deposit with state regulatory authorities in connection with capital requirements.

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Amount, after allowance for credit loss, of accrued interest 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 excluding accrued interest, of allowance for credit loss 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 the collateral pledged in support of federal home loan bank advances outstanding.

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Amount, before allowance for credit loss, of accrued interest on financing receivable.

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Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

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Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

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Amount, before investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments.

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Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Investments - Narrative (Details)	3 Months Ended		6 Months Ended
Investments - Narrative (Details)	Mar. 31, 2026 USD ($) loan	Mar. 31, 2025 USD ($)	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($) loan
Debt Securities, Available-for-sale [Line Items]
Investment, non-income producing, greater than twelve months	$ 50,000,000			$ 54,000,000
Accrued interest receivable	592,000,000			542,000,000
FHLB collateral pledged	4,422,000,000			4,621,000,000
Fixed maturity securities, available-for-sale securities, allowance for credit losses	91,000,000			$ 112,000,000
Allowance for credit loss for securities in an unrealized loss position	$ 0
Commercial mortgage loans, percentage of investments	5.00%			4.00%
DSC ratio, amortization period	25 years
Total non-accrual mortgages	$ 134,000,000			$ 79,000,000
Loans in process of foreclosure	174,000,000			$ 111,000,000
Gross investment income	895,000,000	$ 824,000,000
Reinsurance agreement, recognized gains (losses)	260,000,000	(42,000,000)
Variable Interest Entity, Primary Beneficiary
Debt Securities, Available-for-sale [Line Items]
Maximum loss exposure, amount	893,000,000
Funds Withheld, Reinsurance Agreements
Debt Securities, Available-for-sale [Line Items]
Gross investment income	$ 228,000,000	$ 184,000,000
United States
Debt Securities, Available-for-sale [Line Items]
Residential mortgage loans, location percentage	100.00%
Commercial Mortgage
Debt Securities, Available-for-sale [Line Items]
Mortgage loans delinquent in principal or interest \| loan	1			1
Total non-accrual mortgages	$ 9,000,000			$ 12,000,000
Interest receivable	$ 11,000,000			$ 11,000,000
Commercial Mortgage \| Mortgage loans
Debt Securities, Available-for-sale [Line Items]
Allowance for expected credit loss, probability of loss/default model, projected loss, using reasonable forecast period	2 years
Allowance for credit loss, probability of loss/default, using market historical loss experience, period	3 years
Residential Mortgage
Debt Securities, Available-for-sale [Line Items]
Residential mortgage loans, percentage of total investments	7.00%			6.00%
Charge offs	$ 0		$ 0
Total non-accrual mortgages	125,000,000			$ 67,000,000
Interest receivable	$ 47,000,000			45,000,000
Residential Mortgage \| Mortgage loans
Debt Securities, Available-for-sale [Line Items]
Allowance for expected credit loss, probability of loss/default model, projected loss, using reasonable forecast period	2 years
Allowance for credit loss, probability of loss/default, using market historical loss experience, period	3 years
Fixed maturity securities, available-for-sale
Debt Securities, Available-for-sale [Line Items]
Assets held by insurance regulators	$ 157,000,000			$ 155,000,000