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Fair Value of Assets and Liabilities (Changes in Level 3 Assets and Liabilities) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Equity Securities [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Asset Value, Beginning of period |  | $ 53 |  | $ 77 |  | $ 33
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) |  | 0 |  | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | [1] | 9 |  | 3 |  | 33
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | [1] | (25) |  | 0 |  | (1)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | [1] | 0 |  | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 |  | 0 |  | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 |  | 0 |  | 14 |  | 0
Fair Value, Asset Value, End of period |  | 50 |  | 53 |  | 77
Corporate Debt Securities [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Asset Value, Beginning of period |  | 3,029 |  | 2,186 |  | 1,331
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) |  | (28) |  | 28 |  | 48
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | [1] | 1,506 |  | 1,193 |  | 1,050
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | [1] | (53) |  | (182) |  | (81)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | [1] | (587) |  | (229) |  | (194)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 |  | 29 |  | 57 |  | 43
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 |  | 8 |  | 4 |  | 1
Fair Value, Asset Value, End of period |  | 3,888 |  | 3,029 |  | 2,186
Debt Security, Government, Non-US [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Asset Value, Beginning of period |  | 17 |  | 720 |  | 533
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) |  | (4) |  | 1 |  | 162
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | [1] | 25 |  | 0 |  | 10
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | [1] | 0 |  | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | [1] | (5) |  | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 |  | 0 |  | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 |  | 0 |  | 704 |  | 0
Fair Value, Asset Value, End of period |  | 33 |  | 17 |  | 720
Structured Finance [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Asset Value, Beginning of period |  | 254 |  | 208 |  | 103
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) |  | (6) |  | (7) |  | 4
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | [1] | 1,038 |  | 149 |  | 85
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | [1] | (6) |  | (5) |  | (1)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | [1] | (186) |  | (59) |  | (63)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 |  | 84 |  | 38 |  | 86
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 |  | 0 |  | 70 |  | 6
Fair Value, Asset Value, End of period |  | 1,179 |  | 254 |  | 208
US Government Agencies Debt Securities [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Asset Value, Beginning of period |  | 23 |  | 25 |  | 28
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) |  | 0 |  | 1 |  | 1
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | [1] | 0 |  | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | [1] | 0 |  | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | [1] | (3) |  | (3) |  | (4)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 |  | 25 |  | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 |  | 0 |  | 0 |  | 0
Fair Value, Asset Value, End of period |  | 45 |  | 23 |  | 25
Funds Withheld At Interest Embedded Derivatives [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Asset Value, Beginning of period |  | 58 | [2] | 121 |  | 110
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) |  | 0 | [2] | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | [1] | 0 | [2] | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | [1] | 0 | [2] | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | [1] | 0 | [2] | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 |  | 0 | [2] | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 |  | 0 | [2] | 0 |  | 0
Fair Value, Asset Value, End of period |  | 165 | [2] | 58 | [2] | 121
Longevity Swap [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Asset Value, Beginning of period |  | 56 |  | 0 |  | 48
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) |  | (1) |  | 0 |  | (2)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | [1] | 36 |  | 60 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | [1] | 0 |  | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | [1] | (4) |  | 0 |  | (58)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 |  | 0 |  | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 |  | 0 |  | 0 |  | 0
Fair Value, Asset Value, End of period |  | 83 |  | 56 |  | 0
Short-term Investments [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Asset Value, Beginning of period |  | 15 |  | 2 |  | 2
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) |  | 0 |  | 0 |  | (1)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases | [1] | 31 |  | 17 |  | 30
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales | [1] | (3) |  | 0 |  | (1)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements | [1] | (10) |  | (3) |  | (1)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 |  | 0 |  | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 |  | 5 |  | 1 |  | 27
Fair Value, Asset Value, End of period |  | 28 |  | 15 |  | 2
Interest Sensitive Contract Liabilities Embedded Derivatives [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales | [1] | 0 |  | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 |  | 0 |  | 0 |  | 0
Fair Value, Liability Value, Beginning of period |  | (907) |  | (930) |  | (945)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) |  | 0 |  | 0 |  | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases | [1] | (34) |  | (32) |  | (17)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements | [1] | 83 |  | 77 |  | 84
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 |  | 0 |  | 0 |  | 0
Fair Value, Liability Value, End of period |  | (855) |  | (907) |  | (930)
Investment Income [Member] | Equity Securities [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Investment Income [Member] | Corporate Debt Securities [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 5 |  | 2 |  | 1
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 4 |  | 0 |  | 2
Investment Income [Member] | Debt Security, Government, Non-US [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 15
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 15
Investment Income [Member] | Structured Finance [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 1 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 1 |  | 0 |  | 0
Investment Income [Member] | US Government Agencies Debt Securities [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Investment Income [Member] | Funds Withheld At Interest Embedded Derivatives [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 | [2] | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 | [2] | 0 |  | 0
Investment Income [Member] | Longevity Swap [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | (4) |  | (4) |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | (4) |  | (4) |  | 0
Investment Income [Member] | Short-term Investments [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Investment Income [Member] | Interest Sensitive Contract Liabilities Embedded Derivatives [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Investment Related Gains Losses [Member] | Equity Securities [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 13 |  | (13) |  | 12
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 7 |  | (13) |  | 12
Investment Related Gains Losses [Member] | Corporate Debt Securities [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | (5) |  | (22) |  | (11)
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | (7) |  | (23) |  | (11)
Investment Related Gains Losses [Member] | Debt Security, Government, Non-US [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Investment Related Gains Losses [Member] | Structured Finance [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Investment Related Gains Losses [Member] | US Government Agencies Debt Securities [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Investment Related Gains Losses [Member] | Funds Withheld At Interest Embedded Derivatives [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 107 | [2] | (63) |  | 11
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 107 | [2] | (63) |  | 11
Investment Related Gains Losses [Member] | Longevity Swap [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Investment Related Gains Losses [Member] | Short-term Investments [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Investment Related Gains Losses [Member] | Interest Sensitive Contract Liabilities Embedded Derivatives [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings |  | 7 |  | (8) |  | (5)
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | (15) |  | (2) |  | (3)
Interest Income [Member] | Equity Securities [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Interest Income [Member] | Corporate Debt Securities [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Interest Income [Member] | Debt Security, Government, Non-US [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Interest Income [Member] | Structured Finance [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Interest Income [Member] | US Government Agencies Debt Securities [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Interest Income [Member] | Funds Withheld At Interest Embedded Derivatives [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 | [2] | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 | [2] | 0 |  | 0
Interest Income [Member] | Longevity Swap [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Interest Income [Member] | Short-term Investments [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Interest Income [Member] | Interest Sensitive Contract Liabilities Embedded Derivatives [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings |  | (10) |  | 30 |  | 57
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | (72) |  | (107) |  | (140)
Other Income [Member] | Equity Securities [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Other Income [Member] | Corporate Debt Securities [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Other Income [Member] | Debt Security, Government, Non-US [Member] |  |  |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | 0 |  | 0 |  | 0
Other Income [Member] | Structured Finance [Member] |  |  |  |  |  |
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Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
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Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
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Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings |  | 0 |  | 0 |  | 0
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Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | (24) |  | (34) |  |
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Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | (4) |  | 1 |  |
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Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | (6) |  | (8) |  |
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Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
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Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
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Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) |  | (1) |  | 0 |  |
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Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
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Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward] |  |  |  |  |  |
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[1] | The amount reported within purchases, sales and settlements is the purchase price (for purchases) and the sales/settlement proceeds (for sales and settlements) based upon the actual date purchased or sold/settled. Items purchased and sold/settled in the same period are excluded from the rollforward. The Company had no issuances during the period.
[2] | Funds withheld at interest – embedded derivative assets and liabilities are presented net for purposes of the rollforward.

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