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Fair Value Measurement - Financial Instruments Carried at Fair Value (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Assets: |  |
Estimated Fair Value | $ 7,396 | $ 8,202
Fixed-maturity securities, trading | 87 | 0
Short-term investments, at fair value | 863 | 1,225
Other invested assets | 150 | 181
Assets of CIVs | 5,456 | 5,271
Other assets | 130 | 132
Liabilities: |  |
Credit derivative liabilities | 148 | 156
FG VIEs' liabilities | 282 | 289
Liabilities of CIVs: | 4,568 | 4,436
Obligations of state and political subdivisions |  |
Assets: |  |
Estimated Fair Value | 3,484 | 3,660
U.S. government and agencies |  |
Assets: |  |
Estimated Fair Value | 119 | 128
Corporate securities |  |
Assets: |  |
Estimated Fair Value | 2,194 | 2,605
RMBS |  |
Assets: |  |
Estimated Fair Value | 369 | 437
CMBS |  |
Assets: |  |
Estimated Fair Value | 298 | 346
Non-U.S. government securities |  |
Assets: |  |
Estimated Fair Value | 103 | 136
Fair Value Measured at Net Asset Value Per Share |  |
Assets: |  |
Other invested assets | 16 | 19
Fair Value Measured at Net Asset Value Per Share | Fund investments: | Equity securities and warrants |  |
Assets: |  |
Assets of CIVs | 5 | 6
Fair Value Measured at Net Asset Value Per Share | Municipal Relative Fund Member | Equity securities and warrants |  |
Assets: |  |
Assets of CIVs | 124 |
Recurring |  |
Assets: |  |
Estimated Fair Value | 7,396 | 8,202
Fixed-maturity securities, trading | 87 |
Short-term investments, at fair value | 863 | 1,225
Other invested assets | 7 | 12
FG VIEs’ assets | 264 | 260
Assets of CIVs | 5,105 | 4,896
Other assets | 130 | 132
Total assets carried at fair value | 13,852 | 14,727
Liabilities: |  |
Credit derivative liabilities | 148 | 156
FG VIEs' liabilities | 282 | 289
Liabilities of CIVs: | 4,125 | 3,849
Other liabilities | 7 | 1
Total liabilities carried at fair value | 4,562 | 4,295
Recurring | Obligations of state and political subdivisions |  |
Assets: |  |
Estimated Fair Value | 3,484 | 3,660
Recurring | U.S. government and agencies |  |
Assets: |  |
Estimated Fair Value | 119 | 128
Recurring | Corporate securities |  |
Assets: |  |
Estimated Fair Value | 2,194 | 2,605
Recurring | RMBS |  |
Assets: |  |
Estimated Fair Value | 369 | 437
Recurring | CMBS |  |
Assets: |  |
Estimated Fair Value | 298 | 346
Recurring | Asset-backed securities |  |
Assets: |  |
Estimated Fair Value | 829 | 890
Recurring | Non-U.S. government securities |  |
Assets: |  |
Estimated Fair Value | 103 | 136
Recurring | CLO obligations of CFEs |  |
Liabilities: |  |
Liabilities of CIVs: | 3,947 | 3,665
Recurring | Warehouse financing debt |  |
Liabilities: |  |
Liabilities of CIVs: | 157 | 126
Recurring | Securities sold short, at fair value |  |
Liabilities: |  |
Liabilities of CIVs: |  | 41
Recurring | Securitized borrowing |  |
Liabilities: |  |
Liabilities of CIVs: | 21 | 17
Recurring | Fund investments: | Obligations of state and political subdivisions |  |
Assets: |  |
Assets of CIVs |  | 101
Recurring | Fund investments: | Corporate securities |  |
Assets: |  |
Assets of CIVs | 90 | 98
Recurring | Fund investments: | Equity securities and warrants |  |
Assets: |  |
Assets of CIVs | 265 | 246
Recurring | Fund investments: | Structured products |  |
Assets: |  |
Assets of CIVs | 127 | 62
Recurring | CLOs and CLO warehouse assets: | Short-term investments |  |
Assets: |  |
Assets of CIVs | 230 | 145
Recurring | CLOs and CLO warehouse assets: | Loans |  |
Assets: |  |
Assets of CIVs | 4,393 | 4,244
Recurring | Level 1 |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Fixed-maturity securities, trading | 0 |
Short-term investments, at fair value | 844 | 1,225
Other invested assets | 2 | 6
FG VIEs’ assets | 0 | 0
Assets of CIVs | 230 | 145
Other assets | 50 | 53
Total assets carried at fair value | 1,126 | 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 | Obligations of state and political subdivisions |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 1 | U.S. government and agencies |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 1 | Corporate securities |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 1 | RMBS |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 1 | CMBS |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 1 | Asset-backed securities |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 1 | Non-U.S. government securities |  |
Assets: |  |
Estimated 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, at fair value |  |
Liabilities: |  |
Liabilities of CIVs: |  | 0
Recurring | Level 1 | Securitized borrowing |  |
Liabilities: |  |
Liabilities of CIVs: | 0 | 0
Recurring | Level 1 | Fund investments: | Obligations of state and political subdivisions |  |
Assets: |  |
Assets of CIVs |  | 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 | 230 | 145
Recurring | Level 1 | CLOs and CLO warehouse assets: | Loans |  |
Assets: |  |
Assets of CIVs | 0 | 0
Recurring | Level 2 |  |
Assets: |  |
Estimated Fair Value | 6,356 | 7,051
Fixed-maturity securities, trading | 87 |
Short-term investments, at fair value | 19 | 0
Other invested assets | 0 | 0
FG VIEs’ assets | 41 | 0
Assets of CIVs | 4,489 | 4,421
Other assets | 45 | 54
Total assets carried at fair value | 11,037 | 11,526
Liabilities: |  |
Credit derivative liabilities | 0 | 0
FG VIEs' liabilities | 0 | 0
Liabilities of CIVs: | 138 | 144
Other liabilities | 7 | 1
Total liabilities carried at fair value | 145 | 145
Recurring | Level 2 | Obligations of state and political subdivisions |  |
Assets: |  |
Estimated Fair Value | 3,433 | 3,588
Recurring | Level 2 | U.S. government and agencies |  |
Assets: |  |
Estimated Fair Value | 119 | 128
Recurring | Level 2 | Corporate securities |  |
Assets: |  |
Estimated Fair Value | 2,194 | 2,605
Recurring | Level 2 | RMBS |  |
Assets: |  |
Estimated Fair Value | 185 | 221
Recurring | Level 2 | CMBS |  |
Assets: |  |
Estimated Fair Value | 298 | 346
Recurring | Level 2 | Asset-backed securities |  |
Assets: |  |
Estimated Fair Value | 24 | 27
Recurring | Level 2 | Non-U.S. government securities |  |
Assets: |  |
Estimated Fair Value | 103 | 136
Recurring | Level 2 | CLO obligations of CFEs |  |
Liabilities: |  |
Liabilities of CIVs: | 0 | 0
Recurring | Level 2 | Warehouse financing debt |  |
Liabilities: |  |
Liabilities of CIVs: | 138 | 103
Recurring | Level 2 | Securities sold short, at fair value |  |
Liabilities: |  |
Liabilities of CIVs: |  | 41
Recurring | Level 2 | Securitized borrowing |  |
Liabilities: |  |
Liabilities of CIVs: | 0 | 0
Recurring | Level 2 | Fund investments: | Obligations of state and political subdivisions |  |
Assets: |  |
Assets of CIVs |  | 101
Recurring | Level 2 | Fund investments: | Corporate securities |  |
Assets: |  |
Assets of CIVs | 0 | 7
Recurring | Level 2 | Fund investments: | Equity securities and warrants |  |
Assets: |  |
Assets of CIVs | 7 | 7
Recurring | Level 2 | Fund investments: | Structured products |  |
Assets: |  |
Assets of CIVs | 89 | 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 | 4,393 | 4,244
Recurring | Level 3 |  |
Assets: |  |
Estimated Fair Value | 1,040 | 1,151
Fixed-maturity securities, trading | 0 |
Short-term investments, at fair value | 0 | 0
Other invested assets | 5 | 6
FG VIEs’ assets | 223 | 260
Assets of CIVs | 386 | 330
Other assets | 35 | 25
Total assets carried at fair value | 1,689 | 1,772
Liabilities: |  |
Credit derivative liabilities | 148 | 156
FG VIEs' liabilities | 282 | 289
Liabilities of CIVs: | 3,987 | 3,705
Other liabilities | 0 | 0
Total liabilities carried at fair value | 4,417 | 4,150
Recurring | Level 3 | Obligations of state and political subdivisions |  |
Assets: |  |
Estimated Fair Value | 51 | 72
Recurring | Level 3 | U.S. government and agencies |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 3 | Corporate securities |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 3 | RMBS |  |
Assets: |  |
Estimated Fair Value | 184 | 216
Recurring | Level 3 | CMBS |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 3 | Asset-backed securities |  |
Assets: |  |
Estimated Fair Value | 805 | 863
Recurring | Level 3 | Non-U.S. government securities |  |
Assets: |  |
Estimated Fair Value | 0 | 0
Recurring | Level 3 | CLO obligations of CFEs |  |
Liabilities: |  |
Liabilities of CIVs: | 3,947 | 3,665
Recurring | Level 3 | Warehouse financing debt |  |
Liabilities: |  |
Liabilities of CIVs: | 19 | 23
Recurring | Level 3 | Securities sold short, at fair value |  |
Liabilities: |  |
Liabilities of CIVs: |  | 0
Recurring | Level 3 | Securitized borrowing |  |
Liabilities: |  |
Liabilities of CIVs: | 21 | 17
Recurring | Level 3 | Fund investments: | Obligations of state and political subdivisions |  |
Assets: |  |
Assets of CIVs |  | 0
Recurring | Level 3 | Fund investments: | Corporate securities |  |
Assets: |  |
Assets of CIVs | 90 | 91
Recurring | Level 3 | Fund investments: | Equity securities and warrants |  |
Assets: |  |
Assets of CIVs | 258 | 239
Recurring | Level 3 | Fund investments: | Structured products |  |
Assets: |  |
Assets of CIVs | 38 | 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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