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Shareholders' Equity Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Net unrealized gains (losses) on securities arising during the period, before tax |  | $ 1,532 | $ 512 | $ 337 | [1] | $ 1,169 | [1]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax |  | 4 | 0 | (4) | [2] | 5 | [2]
Impact of DAC, DSIC, unearned revenue, benefit reserves and reinsurance recoverables, before tax |  | (637) | (259) | (129) |  | (499) |
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, before Tax |  | 891 | 253 | 212 |  | 665 |
Foreign currency translation, before tax |  | (8) | (15) | (42) |  | (9) |
Other Comprehensive Income (Loss), before Tax |  | 883 | 238 | 170 |  | 655 |
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax |  | 329 | 60 | 65 | [1] | 201 | [1]
Reclassification of net (gains) losses on securities included in net income, tax |  | 1 | 0 | (1) |  | 1 |
Other Comprehensive Income Impact Of DAC DSIC Unearned Revenue Benefit Reserves And Reinsurance Recoverables Tax |  | (134) | (55) | (27) |  | (105) |
Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax |  | 194 | 5 | 39 |  | 95 |
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax |  | 0 | (1) | (1) |  | 0 |
Other Comprehensive Income (Loss), Tax |  | 194 | 4 | 38 |  | 95 |
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, after Tax |  | 1,203 | 452 | 272 | [1] | 968 | [1]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax |  | 3 | 0 | (3) |  | 4 |
Other Comprehensive Income Impact of D A C D S I C Unearned Revenue Benefit Reserves and Reinsurance Recoverables Net of Tax |  | (503) | (204) | (102) |  | (394) |
Net unrealized gains (losses) on securities |  | 697 | 248 | 173 |  | 570 |
Foreign currency translation adjustment |  | (8) | (14) | (41) |  | (9) |
Other comprehensive income (loss), net of tax |  | 689 | 234 | 132 |  | 560 |
Net unrealized gains on securities, before tax [Abstract] |  |  |  |  |  |  |
Net unrealized gains (losses) on securities arising during the period, before tax |  | 1,532 | 512 | 337 | [1] | 1,169 | [1]
Reclassification of net (gains) losses on securities included in net income, before tax |  | (4) | 0 | 4 | [2] | (5) | [2]
Impact of DAC, DSIC, unearned revenue, benefit reserves and reinsurance recoverables, before tax |  | (637) | (259) | (129) |  | (499) |
Net unrealized gains (losses) on securities, before tax |  | 891 | 253 | 212 |  | 665 |
Net unrealized gains on derivatives, before tax [Abstract] |  |  |  |  |  |  |
Reclassification of net (gains) losses on derivatives included in net income, before tax | [3] |  |  | 0 |  | (1) |
Net unrealized gains (losses) on derivatives, before tax |  |  |  | 0 |  | (1) |
Foreign currency translation, before tax |  | (8) | (15) | (42) |  | (9) |
Total other comprehensive income (loss), before tax |  | 883 | 238 | 170 |  | 655 |
Net unrealized gains (losses) on securities, tax impact [Abstract] |  |  |  |  |  |  |
Net unrealized gains (losses) on securities arising during the period, tax |  | (329) | (60) | (65) | [1] | (201) | [1]
Reclassification of net (gains) losses on securities included in net income, tax |  | 1 | 0 | (1) |  | 1 |
Impact of DAC, DSIC, unearned revenue, benefit reserves and reinsurance recoverables, tax |  | 134 | 55 | 27 |  | 105 |
Net unrealized gains (losses) on securities, tax |  | (194) | (5) | (39) |  | (95) |
Net unrealized losses on derivatives, tax impact [Abstract] |  |  |  |  |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax |  |  |  | 0 |  | 0 |
Net unrealized gains (losses) on derivatives, tax |  |  |  | 0 |  | 0 |
Foreign currency translation, tax |  | 0 | 1 | 1 |  | 0 |
Total other comprehensive income (loss), tax |  | (194) | (4) | (38) |  | (95) |
Net unrealized gains (losses) on securities, net of tax [Abstract] |  |  |  |  |  |  |
Net unrealized gains (losses) on securities arising during the period, net of tax |  | 1,203 | 452 | 272 | [1] | 968 | [1]
Reclassification of net (gains) losses on securities included in net income, net of tax |  | (3) | 0 | 3 |  | (4) |
Impact of DAC, DSIC, unearned revenue, benefit reserves and reinsurance recoverables, net of tax |  | (503) | (204) | (102) |  | (394) |
Net unrealized gains (losses) on securities, net of tax |  | 697 | 248 | 173 |  | 570 |
Net unrealized losses on derivatives, net of tax [Abstract] |  |  |  |  |  |  |
Reclassification of net (gains) losses on derivatives included in net income, net of tax |  |  |  | 0 |  | (1) |
Net unrealized gains (losses) on derivatives, net of tax |  |  | 0 | 0 |  | (1) |
Foreign currency translation adjustment, net of tax |  | (8) | (14) | (41) |  | (9) |
Total other comprehensive income (loss), net of tax |  | $ 689 | $ 234 | 132 |  | 560 |
Interest Expense, Borrowings [Member] |  |  |  |  |  |  |
Gain (Loss) Reclassified from Accumulated OCI into Income |  |  |  | $ 0 |  | $ 1 |
[1] | Includes impairments on Available-for-Sale securities related to factors other than credit that were recognized in OCI during the period.
[2] | Reclassification amounts are recorded in net investment income.
[3] | Includes nil and $1 million pretax gain reclassified to interest and debt expense for the six months ended June 30, 2020 and 2019, respectively.

X
- Definition The amount of change in other comprehensive income, before tax, related to the unrealized gain or loss on available for sale securities that were charged to balance sheet accounts such as deferred acquisition costs, deferred sales inducement costs, unearned revenue, benefit reserves or reinsurance recoverables. + References No definition available. + Details
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