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Comprehensive Income (Tables) | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Schedule of Changes in Balances of Each Component of Accumulated Other Comprehensive Income | The following tables detail the changes in the balances of each component of accumulated other comprehensive income for the affected periods:
|  | Unrealized Gains (Losses) on Available- for Sale Securities (1) |  | Amortization of Postretirement Benefit (1) |  | Gain (Loss) on Foreign Currency Translation (1) |  | Credit Risk Changes of Fair Value Option Liabilities (1) (2) |  | Total
Year Ended December 31, 2020: |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 151 |  |  | $ | 8 |  |  | $ | (116) |  |  | $ | (2) |  |  | $ | 42 |
Other comprehensive income (loss)before reclassifications |  | 36 |  |  | (2) |  |  | 23 |  |  | — |  |  | 58 |
Amounts reclassified from accumulated other comprehensive income (loss) |  | (21) |  |  | (1) |  |  | — |  |  | 1 |  |  | (21) |
Net current period other comprehensive income (loss) |  | 15 |  |  | (3) |  |  | 23 |  |  | 1 |  |  | 37 |
Balance at December 31, 2020 |  | $ | 166 |  |  | $ | 5 |  |  | $ | (92) |  |  | $ | — |  |  | $ | 79 |
Year ended December 31, 2019: |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 86 |  |  | $ | 9 |  |  | $ | (142) |  |  | $ | (2) |  |  | $ | (49) |
Other comprehensive income before reclassifications |  | 142 |  |  | 1 |  |  | 26 |  |  | — |  |  | 168 |
Amounts reclassified from accumulated other comprehensive income |  | (76) |  |  | (1) |  |  | — |  |  | — |  |  | (78) |
Net current period other comprehensive income (loss) |  | 65 |  |  | (1) |  |  | 26 |  |  | — |  |  | 91 |
Balance at December 31, 2019 |  | $ | 151 |  |  | $ | 8 |  |  | $ | (116) |  |  | $ | (2) |  |  | $ | 42 |
(1)All amounts are net of tax and noncontrolling interest. Amounts in parentheses indicate reductions to Accumulated Other Comprehensive Income. (2)Represents the changes in fair value attributable to instrument-specific credit risk of liabilities for which the fair value option is elected.
Schedule of Amounts Reclassed Out of Each Component of Accumulated Other Comprehensive Income | The following table details the significant amounts reclassified from each component of accumulated other comprehensive income, shown in the above rollforward tables, for the affected periods:
Details about Accumulated Other Comprehensive Income Components | Amount Reclassified from Accumulated Other Comprehensive Income |  | Affected Line Item in the Consolidated Statement of Total Comprehensive Income
Year Ended December 31, |
2020 |  | 2019 |
Unrealized Gains (Losses) on Available-for-Sale Securities (1) |  |  |  |  |
| $ | (22) |  |  | $ | (81) |  |  | Net realized investment gains (losses)
| 1 |  |  | 4 |  |  | Provision for income taxes
| $ | (21) |  |  | $ | (76) |  |  | Net of tax and noncontrolling interest
Amortization of Postretirement Benefit |  |  |  |  |
Prior service cost | $ | (1) |  |  | $ | (1) |  |  | Other income
Actuarial gains (losses) | — |  |  | — |  |  | Other income
| (1) |  |  | (1) |  |  | Total before tax
| — |  |  | — |  |  | Provision for income taxes
| $ | (1) |  |  | $ | (1) |  |  | Net of tax and noncontrolling interest
Credit Risk Changes of Fair Value Option Liabilities |  |  |  |  |
| $ | 2 |  |  | $ | — |  |  | Credit risk changes of fair value option liabilities
| — |  |  | — |  |  | Provision for income taxes
| 1 |  |  | — |  |  | Net of tax and noncontrolling interest
Total reclassifications for the period | $ | (21) |  |  | $ | (78) |  |  | Net of tax and noncontrolling interest

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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