Fair Value (Financial Instruments Carried at Other Than Fair Value) (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025
Assets
Policy loans	$ 1,059	$ 1,047
Liabilities
Separate account liabilities	74,551	78,825	$ 76,257
Carrying Value
Assets
Mortgage loans	22,595	22,726
Policy loans	1,059	1,047
Other invested assets	231	231
Premiums, reinsurance and other receivables	7,862	7,978
Liabilities
Policyholder account balances	28,149	28,701
Long-term debt	831	832
Other liabilities	1,294	1,249
Separate account liabilities	1,179	1,260
Estimated Fair Value
Assets
Mortgage loans	21,462	21,705
Policy loans	1,045	1,072
Other invested assets	231	231
Premiums, reinsurance and other receivables	7,912	8,030
Liabilities
Policyholder account balances	28,013	28,644
Long-term debt	718	768
Other liabilities	1,294	1,249
Separate account liabilities	1,179	1,260
Estimated Fair Value \| Level 1
Assets
Mortgage loans	0	0
Policy loans	0	0
Other invested assets	0	0
Premiums, reinsurance and other receivables	0	0
Liabilities
Policyholder account balances	0	0
Long-term debt	0	0
Other liabilities	0	0
Separate account liabilities	0	0
Estimated Fair Value \| Level 2
Assets
Mortgage loans	0	0
Policy loans	519	512
Other invested assets	217	217
Premiums, reinsurance and other receivables	63	87
Liabilities
Policyholder account balances	0	0
Long-term debt	20	21
Other liabilities	644	583
Separate account liabilities	1,179	1,260
Estimated Fair Value \| Level 3
Assets
Mortgage loans	21,462	21,705
Policy loans	526	560
Other invested assets	14	14
Premiums, reinsurance and other receivables	7,849	7,943
Liabilities
Policyholder account balances	28,013	28,644
Long-term debt	698	747
Other liabilities	650	666
Separate account liabilities	$ 0	$ 0

Total amount of mortgage loans not valued on a recurring basis as of the balance sheet date.

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Fair value portion of other investments not otherwise specified in the taxonomy.

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Fair value portion of the liability of policyholders for deposits held under the terms of insurance contracts.

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Amount before allowance of loans made to policy and contract holders using their life insurance contracts' cash value or separate accounts as collateral. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums over and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Fair value portion of other liabilities.

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Fair value portion of receivables, including, but not limited to, trade account receivables, note receivables, and loan receivables.

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Amount of liability for variable contract in which all or portion of contract holder's funds is allocated to specific separate account and supported by assets held in separate account.

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