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Shareholders' Equity - Changes in AOCI by Component (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Changes in Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |
Beginning balance |  |  | $ 5,713 |
Other comprehensive income (loss) before reclassifications | $ (11) | $ (46) | (33) | $ 46
Less: Amounts reclassified from AOCI to: |  |  |  |
Net realized investment gains (losses) | (6) | (9) | 2 | (11)
Interest expense | 23 | 22 | 46 | 43
Income (loss) before income taxes | 94 | 144 | 238 | 264
Tax (provision) benefit | (13) | (18) | (44) | (41)
Other comprehensive income (loss) | (5) | (38) | (33) | 57
Ending balance | 5,539 |  | 5,539 |
Reclassification out of Accumulated Other Comprehensive Income |  |  |  |
Less: Amounts reclassified from AOCI to: |  |  |  |
Net realized investment gains (losses) | (6) | (9) | 2 | (11)
Fair value gains (losses) on FG VIEs |  |  |  | (2)
Income (loss) before income taxes | (6) | (9) | 1 | (12)
Tax (provision) benefit | 0 | 1 | (1) | 1
Total amount reclassified from AOCI, net of tax | (6) | (8) | 0 | (11)
Reclassification out of Accumulated Other Comprehensive Income | Financial Guaranty Variable Interest Entities |  |  |  |
Less: Amounts reclassified from AOCI to: |  |  |  |
Fair value gains (losses) on FG VIEs |  | (1) | (1) |
Interest expense |  | 1 |  | 1
Total AOCI |  |  |  |
Changes in Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |
Beginning balance | (387) | (420) | (359) | (515)
Less: Amounts reclassified from AOCI to: |  |  |  |
Ending balance | (392) | (458) | (392) | (458)
No Credit Impairment |  |  |  |
Changes in Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |
Beginning balance | (231) | (254) | (202) | (343)
Other comprehensive income (loss) before reclassifications | (15) | (30) | (46) | 61
Less: Amounts reclassified from AOCI to: |  |  |  |
Other comprehensive income (loss) | (12) | (30) | (41) | 59
Ending balance | (243) | (284) | (243) | (284)
No Credit Impairment | Reclassification out of Accumulated Other Comprehensive Income |  |  |  |
Less: Amounts reclassified from AOCI to: |  |  |  |
Net realized investment gains (losses) | (4) | 1 | (6) | 4
Fair value gains (losses) on FG VIEs |  |  |  | 0
Income (loss) before income taxes | (4) | 1 | (6) | 4
Tax (provision) benefit | 1 | (1) | 1 | (2)
Total amount reclassified from AOCI, net of tax | (3) | 0 | (5) | 2
No Credit Impairment | Reclassification out of Accumulated Other Comprehensive Income | Financial Guaranty Variable Interest Entities |  |  |  |
Less: Amounts reclassified from AOCI to: |  |  |  |
Fair value gains (losses) on FG VIEs |  | 0 | 0 |
Interest expense |  | 0 |  | 0
Credit Impairment |  |  |  |
Changes in Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |
Beginning balance | (103) | (105) | (104) | (110)
Other comprehensive income (loss) before reclassifications | 4 | (18) | 14 | (17)
Less: Amounts reclassified from AOCI to: |  |  |  |
Other comprehensive income (loss) | 7 | (10) | 8 | (5)
Ending balance | (96) | (115) | (96) | (115)
Credit Impairment | Reclassification out of Accumulated Other Comprehensive Income |  |  |  |
Less: Amounts reclassified from AOCI to: |  |  |  |
Net realized investment gains (losses) | (2) | (10) | 8 | (15)
Fair value gains (losses) on FG VIEs |  |  |  | 0
Income (loss) before income taxes | (2) | (10) | 8 | (15)
Tax (provision) benefit | (1) | 2 | (2) | 3
Total amount reclassified from AOCI, net of tax | (3) | (8) | 6 | (12)
Credit Impairment | Reclassification out of Accumulated Other Comprehensive Income | Financial Guaranty Variable Interest Entities |  |  |  |
Less: Amounts reclassified from AOCI to: |  |  |  |
Fair value gains (losses) on FG VIEs |  | 0 | 0 |
Interest expense |  | 0 |  | 0
ISCR on FG VIEs’ Liabilities with Recourse |  |  |  |
Changes in Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |
Beginning balance | (21) | (24) | (20) | (23)
Other comprehensive income (loss) before reclassifications | 1 | 1 | (1) | (1)
Less: Amounts reclassified from AOCI to: |  |  |  |
Other comprehensive income (loss) | 1 | 2 | 0 | 1
Ending balance | (20) | (22) | (20) | (22)
ISCR on FG VIEs’ Liabilities with Recourse | Reclassification out of Accumulated Other Comprehensive Income |  |  |  |
Less: Amounts reclassified from AOCI to: |  |  |  |
Net realized investment gains (losses) | 0 | 0 | 0 | 0
Fair value gains (losses) on FG VIEs |  |  |  | (2)
Income (loss) before income taxes | 0 | (1) | (1) | (2)
Tax (provision) benefit | 0 | 0 | 0 | 0
Total amount reclassified from AOCI, net of tax | 0 | (1) | (1) | (2)
ISCR on FG VIEs’ Liabilities with Recourse | Reclassification out of Accumulated Other Comprehensive Income | Financial Guaranty Variable Interest Entities |  |  |  |
Less: Amounts reclassified from AOCI to: |  |  |  |
Fair value gains (losses) on FG VIEs |  | (1) | (1) |
Interest expense |  | 0 |  | 0
Cumulative Translation Adjustment |  |  |  |
Changes in Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |
Beginning balance | (37) | (43) | (38) | (45)
Other comprehensive income (loss) before reclassifications | (1) | 1 | 0 | 3
Less: Amounts reclassified from AOCI to: |  |  |  |
Other comprehensive income (loss) | (1) | 1 | 0 | 3
Ending balance | (38) | (42) | (38) | (42)
Cumulative Translation Adjustment | Reclassification out of Accumulated Other Comprehensive Income |  |  |  |
Less: Amounts reclassified from AOCI to: |  |  |  |
Net realized investment gains (losses) | 0 | 0 | 0 | 0
Fair value gains (losses) on FG VIEs |  |  |  | 0
Income (loss) before income taxes | 0 | 0 | 0 | 0
Tax (provision) benefit | 0 | 0 | 0 | 0
Total amount reclassified from AOCI, net of tax | 0 | 0 | 0 | 0
Cumulative Translation Adjustment | Reclassification out of Accumulated Other Comprehensive Income | Financial Guaranty Variable Interest Entities |  |  |  |
Less: Amounts reclassified from AOCI to: |  |  |  |
Fair value gains (losses) on FG VIEs |  | 0 | 0 |
Interest expense |  | 0 |  | 0
Cash Flow Hedge |  |  |  |
Changes in Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |
Beginning balance | 5 | 6 | 5 | 6
Other comprehensive income (loss) before reclassifications | 0 | 0 | 0 | 0
Less: Amounts reclassified from AOCI to: |  |  |  |
Other comprehensive income (loss) | 0 | (1) | 0 | (1)
Ending balance | 5 | 5 | 5 | 5
Cash Flow Hedge | Reclassification out of Accumulated Other Comprehensive Income |  |  |  |
Less: Amounts reclassified from AOCI to: |  |  |  |
Net realized investment gains (losses) | 0 | 0 | 0 | 0
Fair value gains (losses) on FG VIEs |  |  |  | 0
Income (loss) before income taxes | 0 | 1 | 0 | 1
Tax (provision) benefit | 0 | 0 | 0 | 0
Total amount reclassified from AOCI, net of tax | $ 0 | 1 | 0 | 1
Cash Flow Hedge | Reclassification out of Accumulated Other Comprehensive Income | Financial Guaranty Variable Interest Entities |  |  |  |
Less: Amounts reclassified from AOCI to: |  |  |  |
Fair value gains (losses) on FG VIEs |  | 0 | $ 0 |
Interest expense |  | $ 1 |  | $ 1

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