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Shareholders' Equity - Progression of the components of accumulated other comprehensive income (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |
AOCI beginning balance |  |  | $ (319) |
Other comprehensive income (loss), pretax | $ (18) | $ (77) | (13) | $ 40
Other comprehensive income (loss), tax | 2 | 17 | 1 | (8)
Other comprehensive income (loss), net of tax | (16) | (60) | (12) | 32
AOCI ending balance | (331) |  | (331) |
Net unrealized gains (losses) on securities: |  |  |  |
Unrealized holding gains (losses) on securities arising during the period, pretax | (16) | (66) | (10) | 12
Unrealized holding gains (losses) on securities arising during the period, tax | 3 | 14 | 2 | (3)
Unrealized holding gains (losses) on securities arising during the period, after tax | (13) | (52) | (8) | 9
Reclassification adjustment for realized (gains) losses included in net earnings, pretax | 1 | 2 | 6 | 31
Reclassification adjustment for realized (gains) losses included in net earnings, tax | 0 | (1) | (1) | (7)
Reclassification adjustment for realized (gains) losses included in net earnings, after tax | 1 | 1 | 5 | 24
Total net unrealized gains (losses) on securities, pretax | (15) | (64) | (4) | 43
Total net unrealized gains (losses) on securities, tax | 3 | 13 | 1 | (10)
Total net unrealized gains (losses) on securities | (12) | (51) | (3) | 33
Net unrealized gains (losses) on cash flow hedges: |  |  |  |
Unrealized holding gains (losses) on cash flow hedges arising during the period, pretax | (5) | (21) | (18) | (16)
Unrealized holding gains (losses) on cash flow hedges arising during the period, tax | 1 | 4 | 4 | 3
Unrealized holding gains (losses) on cash flow hedges arising during the period, after tax | (4) | (17) | (14) | (13)
Reclassification adjustment for investment income included in net earnings, pretax | 7 | 6 | 14 | 11
Reclassification adjustment for investment income included in net earnings, tax | (1) | (1) | (3) | (2)
Reclassification adjustment for investment income included in net earnings from discontinued operations, after tax | 6 | 5 | 11 | 9
Total net unrealized gains (losses) on cash flow hedges, pretax | 2 | (15) | (4) | (5)
Total net unrealized gains (losses) on cash flow hedges, tax | 0 | 3 | 1 | 1
Total net unrealized gains (losses) on cash flow hedges | 2 | (12) | (3) | (4)
Foreign currency translation adjustments, pretax | (5) | 2 | (5) | 2
Foreign currency translation adjustments, tax | (1) | 1 | (1) | 1
Foreign currency translation adjustments, after tax | (6) | 3 | (6) | 3
Total pension and OPRP adjustments, pretax | 0 | 0 | 0 | 0
Total pension and OPRP adjustments, tax | 0 | 0 | 0 | 0
Total pension and OPRP adjustments, after Tax | 0 | 0 | 0 | 0
AOCI attributable to parent |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |
AOCI beginning balance | (315) | (451) | (319) | (543)
AOCI ending balance | (331) | (511) | (331) | (511)
Accumulated net investment gain (loss) attributable to parent |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |
AOCI beginning balance | (278) | (413) | (287) | (497)
AOCI ending balance | (290) | (464) | (290) | (464)
Accumulated gain (loss), net, cash flow hedge, parent |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |
AOCI beginning balance | (22) | (21) | (17) | (29)
AOCI ending balance | (20) | (33) | (20) | (33)
Accumulated foreign currency adjustment attributable to parent |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |
AOCI beginning balance | (17) | (20) | (17) | (20)
AOCI ending balance | (23) | (17) | (23) | (17)
Accumulated defined benefit plans adjustment attributable to parent |  |  |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |  |  |
AOCI beginning balance | 2 | 3 | 2 | 3
AOCI ending balance | $ 2 | $ 3 | $ 2 | $ 3

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