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Investments (Schedule Of Average Carrying Value Of Impaired Mortgage Loans On Real Estate) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Information about impaired mortgage loans on real estate |  |  |  |
Average carrying value for impaired mortgage loans on real estate | $ 24 | $ 15 | $ 21 | $ 18

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Balance Type: | debit
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- References No definition available. + Details
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