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Shareholders' Equity - Progression of the components of accumulated other comprehensive income (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Accumulated Other Comprehensive Income [Roll Forward] |  |
AOCI beginning balance | $ (319) |
Other comprehensive income (loss), pretax | 5 | $ 117
Other comprehensive income (loss), tax | (1) | (25)
Other comprehensive income, net of tax | 4 | 92
AOCI ending balance | (315) |
Net unrealized gains (losses) on securities: |  |
Unrealized holding gains (losses) on securities arising during the period, pretax | 6 | 78
Unrealized holding gains (losses) on securities arising during the period, tax | (1) | (17)
Unrealized holding gains (losses) on securities arising during the period, after tax | 5 | 61
Reclassification adjustment for realized (gains) losses included in net earnings, pretax | 5 | 29
Reclassification adjustment for realized (gains) losses included in net earnings, tax | (1) | (6)
Reclassification adjustment for realized (gains) losses included in net earnings, after tax | 4 | 23
Total net unrealized gains (losses) on securities, pretax | 11 | 107
Total net unrealized gains (losses) on securities, tax | (2) | (23)
Total net unrealized gains (losses) on securities | 9 | 84
Net unrealized gains (losses) on cash flow hedges: |  |
Unrealized holding gains (losses) on cash flow hedges arising during the period, pretax | (13) | 5
Unrealized holding gains (losses) on cash flow hedges arising during the period, tax | 3 | (1)
Unrealized holding gains (losses) on cash flow hedges arising during the period, after tax | (10) | 4
Reclassification adjustment for investment income included in net earnings, pretax | 7 | 5
Reclassification adjustment for investment income included in net earnings, tax | (2) | (1)
Reclassification adjustment for investment income included in net earnings from discontinued operations, after tax | 5 | 4
Total net unrealized gains (losses) on cash flow hedges, pretax | (6) | 10
Total net unrealized gains (losses) on cash flow hedges, tax | 1 | (2)
Total net unrealized gains (losses) on cash flow hedges | (5) | 8
Foreign currency translation adjustments, pretax | 0 | 0
Foreign currency translation adjustments, tax | 0 | 0
Foreign currency translation adjustments, after tax | 0 | 0
Total pension and OPRP adjustments, pretax | 0 | 0
Total pension and OPRP adjustments, tax | 0 | 0
Total pension and OPRP adjustments, after Tax | 0 | 0
AOCI attributable to parent |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |
AOCI beginning balance | (319) | (543)
AOCI ending balance | (315) | (451)
Accumulated net investment gain (loss) attributable to parent |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |
AOCI beginning balance | (287) | (497)
AOCI ending balance | (278) | (413)
Accumulated gain (loss), net, cash flow hedge, parent |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |
AOCI beginning balance | (17) | (29)
AOCI ending balance | (22) | (21)
Accumulated foreign currency adjustment attributable to parent |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |
AOCI beginning balance | (17) | (20)
AOCI ending balance | (17) | (20)
Accumulated defined benefit plans adjustment attributable to parent |  |
Accumulated Other Comprehensive Income [Roll Forward] |  |
AOCI beginning balance | 2 | 3
AOCI ending balance | $ 2 | $ 3

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