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Other Comprehensive Income (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Pre-tax |  |  |  |
Other comprehensive income (loss) | $ 855 | $ (196) | $ 2,082 | $ (933)
Tax |  |  |  |
Other comprehensive income (loss) | (180) | 41 | (440) | 197
After-tax |  |  |  |
Other comprehensive income (loss) | 675 | (155) | 1,642 | (736)
Unrealized net holding gains and losses arising during the period, net of related offsets |  |  |  |
Pre-tax |  |  |  |
Unrealized net holding gains and losses arising during the period, net of related offsets | 921 | (249) | 2,208 | (990)
Less: reclassification adjustment of realized capital gains and losses | 57 | (80) | 108 | (106)
Other comprehensive income (loss) | 864 | (169) | 2,100 | (884)
Tax |  |  |  |
Unrealized net holding gains and losses arising during the period, net of related offsets | (194) | 53 | (467) | 208
Less: reclassification adjustment of realized capital gains and losses | (12) | 17 | (23) | 22
Other comprehensive income (loss) | (182) | 36 | (444) | 186
After-tax |  |  |  |
Unrealized net holding gains and losses arising during the period, net of related offsets | 727 | (196) | 1,741 | (782)
Less: reclassification adjustment of realized capital gains and losses | 45 | (63) | 85 | (84)
Other comprehensive income (loss) | 682 | (133) | 1,656 | (698)
Unrealized foreign currency translation adjustments |  |  |  |
Pre-tax |  |  |  |
Other comprehensive income (loss) | 5 | (7) | 11 | (10)
Tax |  |  |  |
Other comprehensive income (loss) | (1) | 1 | (2) | 2
After-tax |  |  |  |
Other comprehensive income (loss) | 4 | (6) | 9 | (8)
Unamortized pension and other postretirement prior service credit (1) |  |  |  |
Pre-tax |  |  |  |
Other comprehensive income (loss) | (14) | (20) | (29) | (39)
Tax |  |  |  |
Other comprehensive income (loss) | 3 | 4 | 6 | 9
After-tax |  |  |  |
Other comprehensive income (loss) | $ (11) | $ (16) | $ (23) | $ (30)

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