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Shareholders' Equity - OCI Components (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Pretax |  |  |
Total other comprehensive income (loss) | $ (170) | $ 991 | $ (2,467)
Income Tax Benefit (Expense) |  |  |
Total other comprehensive income (loss) | 28 | (211) | 563
Net of Tax |  |  |
Arising during the period | (157) | 756 | (1,985)
Reclassification to net income | 15 | 24 | 81
Total other comprehensive income (loss), net of tax | (142) | 780 | (1,904)
Net unrealized gains (losses) on securities |  |  |
Pretax |  |  |
Total other comprehensive income (loss) | (264) | 1,043 | (3,958)
Income Tax Benefit (Expense) |  |  |
Total other comprehensive income (loss) | 53 | (241) | 882
Net of Tax |  |  |
Arising during the period | (226) | 779 | (3,143)
Reclassification to net income | 15 | 23 | 67
Total other comprehensive income (loss), net of tax | (211) | 802 | (3,076)
Net unrealized gains (losses) on securities arising during the period |  |  |
Pretax |  |  |
Arising during the period | (303) | 1,038 | (4,146)
Income Tax Benefit (Expense) |  |  |
Arising during the period | 61 | (240) | 918
Net of Tax |  |  |
Arising during the period | (242) | 798 | (3,228)
Reclassification of net (gains) losses on securities included in net income |  |  |
Pretax |  |  |
Reclassification to net income | 19 | 29 | 85
Income Tax Benefit (Expense) |  |  |
Reclassification to net income | (4) | (6) | (18)
Net of Tax |  |  |
Reclassification to net income | 15 | 23 | 67
Impact of benefit reserves and reinsurance recoverables |  |  |
Pretax |  |  |
Arising during the period | 20 | (24) | 103
Income Tax Benefit (Expense) |  |  |
Arising during the period | (4) | 5 | (18)
Net of Tax |  |  |
Arising during the period | 16 | (19) | 85
Net unrealized gains (losses) on derivatives |  |  |
Pretax |  |  |
Arising during the period |  | 3 |
Reclassification to net income | (1) | (1) | (1)
Total other comprehensive income (loss) | (1) | 2 | (1)
Income Tax Benefit (Expense) |  |  |
Arising during the period |  | (1) |
Reclassification to net income | 1 | 1 | 0
Total other comprehensive income (loss) | 1 | 0 | 0
Net of Tax |  |  |
Arising during the period | 0 | 2 | 0
Reclassification to net income | 0 | 0 | (1)
Total other comprehensive income (loss), net of tax | 0 | 2 | (1)
Effect of changes in discount rate assumptions on certain long-duration contracts |  |  |
Pretax |  |  |
Total other comprehensive income (loss) | 194 | (69) | 1,095
Income Tax Benefit (Expense) |  |  |
Total other comprehensive income (loss) | (41) | 15 | (234)
Net of Tax |  |  |
Arising during the period | 153 | (54) | 861
Reclassification to net income | 0 | 0 | 0
Total other comprehensive income (loss), net of tax | 153 | (54) | 861
Effect of changes in instrument-specific credit risk on market risk benefits (“MRBs”) |  |  |
Pretax |  |  |
Total other comprehensive income (loss) | (79) | (83) | 517
Income Tax Benefit (Expense) |  |  |
Total other comprehensive income (loss) | 17 | 18 | (110)
Net of Tax |  |  |
Arising during the period | (62) | (65) | 407
Reclassification to net income | 0 | 0 | 0
Total other comprehensive income (loss), net of tax | (62) | (65) | 407
Defined benefit plans |  |  |
Pretax |  |  |
Total other comprehensive income (loss) | 17 | 19 | 96
Income Tax Benefit (Expense) |  |  |
Total other comprehensive income (loss) | (2) | (4) | (20)
Net of Tax |  |  |
Arising during the period | 15 | 14 | 61
Reclassification to net income | 0 | 1 | 15
Total other comprehensive income (loss), net of tax | 15 | 15 | 76
Prior service credits (costs) |  |  |
Pretax |  |  |
Total other comprehensive income (loss) | (2) | (1) | (1)
Income Tax Benefit (Expense) |  |  |
Total other comprehensive income (loss) | 1 | 0 | 0
Net of Tax |  |  |
Total other comprehensive income (loss), net of tax | (1) | (1) | (1)
Net gains (losses) |  |  |
Pretax |  |  |
Total other comprehensive income (loss) | 19 | 20 | 97
Income Tax Benefit (Expense) |  |  |
Total other comprehensive income (loss) | (3) | (4) | (20)
Net of Tax |  |  |
Total other comprehensive income (loss), net of tax | 16 | 16 | 77
Foreign currency translation |  |  |
Pretax |  |  |
Total other comprehensive income (loss) | (37) | 79 | (216)
Income Tax Benefit (Expense) |  |  |
Total other comprehensive income (loss) | 0 | 1 | 45
Net of Tax |  |  |
Arising during the period | (37) | 80 | (171)
Reclassification to net income | 0 | 0 | 0
Total other comprehensive income (loss), net of tax | $ (37) | $ 80 | $ (171)

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