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Investments - Carrying Value of Measurement Alternative Investments (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
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Investments, Debt and Equity Securities [Abstract] |  |
Alternative Investment, Initial Cost Basis | $ 504 |
Alternative Investment, Upward Price Adjustment, Cumulative Amount | 620 |
Alternative Investment, Downward Price Adjustment Including Impairment, Cumulative Amount | (166) |
Measurement alternative | $ 958 | $ 1,087

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- Definition Alternative Investment, Carrying Value + References No definition available. + Details
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- Definition Alternative Investment, Downward Price Adjustment Including Impairment, Cumulative Amount + References No definition available. + Details
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- Definition Alternative Investment, Initial Cost Basis + References No definition available. + Details
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- Definition Alternative Investment, Upward Price Adjustment, Cumulative Amount + References No definition available. + Details
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