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v3.23.1

Investments (Changes In Allowance For Credit Losses On Mortgage Loans On Real Estate) (Details) - USD ($) | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Balance as of beginning-of-year | $ 99,000,000 | $ 96,000,000
Additions (reductions) from provision for credit loss expense | 4,000,000 | (19,000,000)
Balance as of end-of-year | 103,000,000 | 77,000,000
Accrued interest receivable excluded from credit losses | 52,000,000 | 49,000,000
Unfunded Loan Commitment [Member] |  |
Financing Receivable, Credit Loss, Expense (Reversal) | 0 | 1,000,000
Commercial [Member] |  |
Balance as of beginning-of-year | 84,000,000 | 79,000,000
Additions (reductions) from provision for credit loss expense | (1,000,000) | (20,000,000)
Balance as of end-of-year | 83,000,000 | 59,000,000
Residential [Member] |  |
Balance as of beginning-of-year | 15,000,000 | 17,000,000
Additions (reductions) from provision for credit loss expense | 5,000,000 | 1,000,000
Balance as of end-of-year | $ 20,000,000 | $ 18,000,000

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