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Fair Value Measurement - Financial Instruments Carried at Fair Value (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Assets: |  |
Fixed-maturity securities, trading | $ 174 | $ 0
Other invested assets | 152 | 181
Assets of CIVs | 5,700 | 5,271
Other assets | 132 | 132
Liabilities: |  |
Credit derivative liabilities | 157 | 156
FG VIEs' liabilities | 335 | 289
Liabilities of CIVs: | 4,854 | 4,436
Fair Value Measured at Net Asset Value Per Share |  |
Assets: |  |
Other invested assets | 17 | 19
Fair Value Measured at Net Asset Value Per Share | Fund investments: | Equity securities and warrants |  |
Assets: |  |
Assets of CIVs | 6 | 6
Recurring |  |
Assets: |  |
Fixed-maturity securities, trading | 174 |
Other invested assets | 7 | 12
FG VIEs’ assets | 307 | 260
Assets of CIVs | 5,398 | 4,896
Other assets | 132 | 132
Total assets carried at fair value | 14,759 | 14,727
Liabilities: |  |
Credit derivative liabilities | 157 | 156
FG VIEs' liabilities | 335 | 289
Liabilities of CIVs: | 3,994 | 3,849
Other liabilities | 3 | 1
Total liabilities carried at fair value | 4,489 | 4,295
Recurring | CLO obligations of CFEs |  |
Liabilities: |  |
Liabilities of CIVs: | 3,598 | 3,665
Recurring | Warehouse financing debt |  |
Liabilities: |  |
Liabilities of CIVs: | 339 | 126
Recurring | Securities sold short |  |
Liabilities: |  |
Liabilities of CIVs: | 36 | 41
Recurring | Securitized borrowing |  |
Liabilities: |  |
Liabilities of CIVs: | 21 | 17
Recurring | Fixed-maturity securities, available-for-sale |  |
Assets: |  |
Estimated Fair Value | 8,156 | 8,202
Recurring | Fixed-maturity securities, available-for-sale | Obligations of state and political subdivisions |  |
Assets: |  |
Estimated Fair Value | 3,941 | 3,660
Recurring | Fixed-maturity securities, available-for-sale | U.S. government and agencies |  |
Assets: |  |
Estimated Fair Value | 122 | 128
Recurring | Fixed-maturity securities, available-for-sale | Corporate securities |  |
Assets: |  |
Estimated Fair Value | 2,388 | 2,605
Recurring | Fixed-maturity securities, available-for-sale | RMBS |  |
Assets: |  |
Estimated Fair Value | 400 | 437
Recurring | Fixed-maturity securities, available-for-sale | CMBS |  |
Assets: |  |
Estimated Fair Value | 322 | 346
Recurring | Fixed-maturity securities, available-for-sale | Asset-backed securities |  |
Assets: |  |
Estimated Fair Value | 867 | 890
Recurring | Fixed-maturity securities, available-for-sale | Non-U.S. government securities |  |
Assets: |  |
Estimated Fair Value | 116 | 136
Recurring | Short-term investments |  |
Assets: |  |
Estimated Fair Value | 585 | 1,225
Recurring | Fund investments: | Obligations of state and political subdivisions |  |
Assets: |  |
Assets of CIVs | 126 | 101
Recurring | Fund investments: | Corporate securities |  |
Assets: |  |
Assets of CIVs | 85 | 98
Recurring | Fund investments: | Equity securities and warrants |  |
Assets: |  |
Assets of CIVs | 249 | 246
Recurring | Fund investments: | Structured products |  |
Assets: |  |
Assets of CIVs | 74 | 62
Recurring | CLOs and CLO warehouse assets: | Short-term investments |  |
Assets: |  |
Assets of CIVs | 165 | 145
Recurring | CLOs and CLO warehouse assets: | Loans |  |
Assets: |  |
Assets of CIVs | 4,699 | 4,244
Recurring | Level 1 |  |
Assets: |  |
Fixed-maturity securities, trading | 0 |
Other invested assets | 2 | 6
FG VIEs’ assets | 0 | 0
Assets of CIVs | 165 | 145
Other assets | 55 | 53
Total assets carried at fair value | 790 | 1,429
Liabilities: |  |
Credit derivative liabilities | 0 | 0
FG VIEs' liabilities | 0 | 0
Liabilities of CIVs: | 0 | 0
Other liabilities | 0 | 0
Total liabilities carried at fair value | 0 | 0
Recurring | Level 1 | CLO obligations of CFEs |  |
Liabilities: |  |
Liabilities of CIVs: | 0 | 0
Recurring | Level 1 | Warehouse financing debt |  |
Liabilities: |  |
Liabilities of CIVs: | 0 | 0
Recurring | Level 1 | Securities sold short |  |
Liabilities: |  |
Liabilities of CIVs: | 0 | 0
Recurring | Level 1 | Securitized borrowing |  |
Liabilities: |  |
Liabilities of CIVs: | 0 | 0
Recurring | Level 1 | Fixed-maturity securities, available-for-sale |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 1 | Fixed-maturity securities, available-for-sale | Obligations of state and political subdivisions |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 1 | Fixed-maturity securities, available-for-sale | U.S. government and agencies |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 1 | Fixed-maturity securities, available-for-sale | Corporate securities |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 1 | Fixed-maturity securities, available-for-sale | RMBS |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 1 | Fixed-maturity securities, available-for-sale | CMBS |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 1 | Fixed-maturity securities, available-for-sale | Asset-backed securities |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 1 | Fixed-maturity securities, available-for-sale | Non-U.S. government securities |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 1 | Short-term investments |  |
Assets: |  |
Estimated Fair Value | 568 | 1,225
Recurring | Level 1 | Fund investments: | Obligations of state and political subdivisions |  |
Assets: |  |
Assets of CIVs | 0 | 0
Recurring | Level 1 | Fund investments: | Corporate securities |  |
Assets: |  |
Assets of CIVs | 0 | 0
Recurring | Level 1 | Fund investments: | Equity securities and warrants |  |
Assets: |  |
Assets of CIVs | 0 | 0
Recurring | Level 1 | Fund investments: | Structured products |  |
Assets: |  |
Assets of CIVs | 0 | 0
Recurring | Level 1 | CLOs and CLO warehouse assets: | Short-term investments |  |
Assets: |  |
Assets of CIVs | 165 | 145
Recurring | Level 1 | CLOs and CLO warehouse assets: | Loans |  |
Assets: |  |
Assets of CIVs | 0 | 0
Recurring | Level 2 |  |
Assets: |  |
Fixed-maturity securities, trading | 174 |
Other invested assets | 0 | 0
FG VIEs’ assets | 40 | 0
Assets of CIVs | 4,907 | 4,421
Other assets | 51 | 54
Total assets carried at fair value | 12,233 | 11,526
Liabilities: |  |
Credit derivative liabilities | 0 | 0
FG VIEs' liabilities | 0 | 0
Liabilities of CIVs: | 344 | 144
Other liabilities | 3 | 1
Total liabilities carried at fair value | 347 | 145
Recurring | Level 2 | CLO obligations of CFEs |  |
Liabilities: |  |
Liabilities of CIVs: | 0 | 0
Recurring | Level 2 | Warehouse financing debt |  |
Liabilities: |  |
Liabilities of CIVs: | 308 | 103
Recurring | Level 2 | Securities sold short |  |
Liabilities: |  |
Liabilities of CIVs: | 36 | 41
Recurring | Level 2 | Securitized borrowing |  |
Liabilities: |  |
Liabilities of CIVs: | 0 | 0
Recurring | Level 2 | Fixed-maturity securities, available-for-sale |  |
Assets: |  |
Estimated Fair Value | 7,044 | 7,051
Recurring | Level 2 | Fixed-maturity securities, available-for-sale | Obligations of state and political subdivisions |  |
Assets: |  |
Estimated Fair Value | 3,871 | 3,588
Recurring | Level 2 | Fixed-maturity securities, available-for-sale | U.S. government and agencies |  |
Assets: |  |
Estimated Fair Value | 122 | 128
Recurring | Level 2 | Fixed-maturity securities, available-for-sale | Corporate securities |  |
Assets: |  |
Estimated Fair Value | 2,388 | 2,605
Recurring | Level 2 | Fixed-maturity securities, available-for-sale | RMBS |  |
Assets: |  |
Estimated Fair Value | 200 | 221
Recurring | Level 2 | Fixed-maturity securities, available-for-sale | CMBS |  |
Assets: |  |
Estimated Fair Value | 322 | 346
Recurring | Level 2 | Fixed-maturity securities, available-for-sale | Asset-backed securities |  |
Assets: |  |
Estimated Fair Value | 25 | 27
Recurring | Level 2 | Fixed-maturity securities, available-for-sale | Non-U.S. government securities |  |
Assets: |  |
Estimated Fair Value | 116 | 136
Recurring | Level 2 | Short-term investments |  |
Assets: |  |
Estimated Fair Value | 17 | 0
Recurring | Level 2 | Fund investments: | Obligations of state and political subdivisions |  |
Assets: |  |
Assets of CIVs | 126 | 101
Recurring | Level 2 | Fund investments: | Corporate securities |  |
Assets: |  |
Assets of CIVs | 2 | 7
Recurring | Level 2 | Fund investments: | Equity securities and warrants |  |
Assets: |  |
Assets of CIVs | 6 | 7
Recurring | Level 2 | Fund investments: | Structured products |  |
Assets: |  |
Assets of CIVs | 74 | 62
Recurring | Level 2 | CLOs and CLO warehouse assets: | Short-term investments |  |
Assets: |  |
Assets of CIVs | 0 | 0
Recurring | Level 2 | CLOs and CLO warehouse assets: | Loans |  |
Assets: |  |
Assets of CIVs | 4,699 | 4,244
Recurring | Level 3 |  |
Assets: |  |
Fixed-maturity securities, trading | 0 |
Other invested assets | 5 | 6
FG VIEs’ assets | 267 | 260
Assets of CIVs | 326 | 330
Other assets | 26 | 25
Total assets carried at fair value | 1,736 | 1,772
Liabilities: |  |
Credit derivative liabilities | 157 | 156
FG VIEs' liabilities | 335 | 289
Liabilities of CIVs: | 3,650 | 3,705
Other liabilities | 0 | 0
Total liabilities carried at fair value | 4,142 | 4,150
Recurring | Level 3 | CLO obligations of CFEs |  |
Liabilities: |  |
Liabilities of CIVs: | 3,598 | 3,665
Recurring | Level 3 | Warehouse financing debt |  |
Liabilities: |  |
Liabilities of CIVs: | 31 | 23
Recurring | Level 3 | Securities sold short |  |
Liabilities: |  |
Liabilities of CIVs: | 0 | 0
Recurring | Level 3 | Securitized borrowing |  |
Liabilities: |  |
Liabilities of CIVs: | 21 | 17
Recurring | Level 3 | Fixed-maturity securities, available-for-sale |  |
Assets: |  |
Estimated Fair Value | 1,112 | 1,151
Recurring | Level 3 | Fixed-maturity securities, available-for-sale | Obligations of state and political subdivisions |  |
Assets: |  |
Estimated Fair Value | 70 | 72
Recurring | Level 3 | Fixed-maturity securities, available-for-sale | U.S. government and agencies |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 3 | Fixed-maturity securities, available-for-sale | Corporate securities |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 3 | Fixed-maturity securities, available-for-sale | RMBS |  |
Assets: |  |
Estimated Fair Value | 200 | 216
Recurring | Level 3 | Fixed-maturity securities, available-for-sale | CMBS |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 3 | Fixed-maturity securities, available-for-sale | Asset-backed securities |  |
Assets: |  |
Estimated Fair Value | 842 | 863
Recurring | Level 3 | Fixed-maturity securities, available-for-sale | Non-U.S. government securities |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 3 | Short-term investments |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 3 | Fund investments: | Obligations of state and political subdivisions |  |
Assets: |  |
Assets of CIVs | 0 | 0
Recurring | Level 3 | Fund investments: | Corporate securities |  |
Assets: |  |
Assets of CIVs | 83 | 91
Recurring | Level 3 | Fund investments: | Equity securities and warrants |  |
Assets: |  |
Assets of CIVs | 243 | 239
Recurring | Level 3 | Fund investments: | Structured products |  |
Assets: |  |
Assets of CIVs | 0 | 0
Recurring | Level 3 | CLOs and CLO warehouse assets: | Short-term investments |  |
Assets: |  |
Assets of CIVs | 0 | 0
Recurring | Level 3 | CLOs and CLO warehouse assets: | Loans |  |
Assets: |  |
Assets of CIVs | $ 0 | $ 0

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