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Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2021
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
Three Months Ended September 30, 2021: |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 168 |  |  | $ | 5 |  |  | $ | (84) |  |  | $ | (1) |  |  | $ | 87 |
Other comprehensive income (loss) before reclassifications |  | (1) |  |  | — |  |  | (19) |  |  | — |  |  | (20) |
Amounts reclassified from accumulated other comprehensive income (loss) |  | (3) |  |  | — |  |  | — |  |  | — |  |  | (3) |
Net current period other comprehensive income (loss) |  | (4) |  |  | — |  |  | (19) |  |  | — |  |  | (23) |
Balance at September 30, 2021 |  | $ | 164 |  |  | $ | 5 |  |  | $ | (103) |  |  | $ | (1) |  |  | $ | 64 |
Three Months Ended September 30, 2020: |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 109 |  |  | $ | 6 |  |  | $ | (164) |  |  | $ | — |  |  | $ | (48) |
Other comprehensive income (loss) before reclassifications |  | 45 |  |  | — |  |  | 29 |  |  | — |  |  | 74 |
Amounts reclassified from accumulated other comprehensive income (loss) |  | (2) |  |  | — |  |  | — |  |  | — |  |  | (3) |
Net current period other comprehensive income (loss) |  | 42 |  |  | — |  |  | 29 |  |  | — |  |  | 71 |
Balance at September 30, 2020 |  | $ | 152 |  |  | $ | 6 |  |  | $ | (135) |  |  | $ | — |  |  | $ | 22 |
Nine Months Ended September 30, 2021: |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 166 |  |  | $ | 5 |  |  | $ | (92) |  |  | $ | — |  |  | $ | 79 |
Other comprehensive income (loss) before reclassifications |  | 2 |  |  | — |  |  | (11) |  |  | — |  |  | (9) |
Amounts reclassified from accumulated other comprehensive income (loss) |  | (4) |  |  | (1) |  |  | — |  |  | (1) |  |  | (6) |
Net current period other comprehensive income (loss) |  | (2) |  |  | (1) |  |  | (11) |  |  | (1) |  |  | (15) |
Balance at September 30, 2021 |  | $ | 164 |  |  | $ | 5 |  |  | $ | (103) |  |  | $ | (1) |  |  | $ | 64 |
Nine Months Ended September 30, 2020: |  |  |  |  |  |  |  |  |  |
Beginning Balance |  | $ | 151 |  |  | $ | 8 |  |  | $ | (116) |  |  | $ | (2) |  |  | $ | 42 |
Other comprehensive income before reclassifications |  | 20 |  |  | (2) |  |  | (20) |  |  | — |  |  | (2) |
Amounts reclassified from accumulated other comprehensive income |  | (19) |  |  | (1) |  |  | — |  |  | 2 |  |  | (18) |
Net current period other comprehensive income |  | $ | 1 |  |  | $ | (3) |  |  | $ | (20) |  |  | $ | 2 |  |  | $ | (20) |
Balance at September 30, 2020 |  | $ | 152 |  |  | $ | 6 |  |  | $ | (135) |  |  | $ | — |  |  | $ | 22 |
(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 (Loss)
| Three Months Ended September 30, |  | Nine Months Ended September 30, |
| 2021 |  | 2020 |  | 2021 |  | 2020 |
Unrealized Gains (Losses) on Available-for-Sale Securities |  |  |  |  |  |  |  |  |  |
|  | $ | (3) |  |  | $ | (2) |  |  | $ | (4) |  |  | $ | (20) |  |  | Net realized investment gains (losses)
|  | 1 |  |  | — |  |  | — |  |  | 1 |  |  | Provision for income taxes
|  | $ | (3) |  |  | $ | (2) |  |  | $ | (4) |  |  | $ | (19) |  |  | Net of tax and noncontrolling interest
Amortization of Postretirement Benefit |  |  |  |  |  |  |  |  |  |
Prior service cost |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (1) |  |  | Other income
Actuarial (losses) |  | — |  |  | — |  |  | — |  |  | — |  |  | Other income
|  | — |  |  | — |  |  | — |  |  | (1) |  |  | Total before tax
|  | — |  |  | — |  |  | — |  |  | — |  |  | Provision for income taxes
|  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (1) |  |  | Net of tax and noncontrolling interest
Credit risk changes of fair value option liabilities |  |  |  |  |  |  |  |  |  |
|  | $ | — |  |  | $ | — |  |  | $ | (1) |  |  | $ | 2 |  |  | Credit risk changes of fair value option liabilities
|  | — |  |  | — |  |  | — |  |  | — |  |  | Provision for income taxes
|  | $ | — |  |  | $ | — |  |  | $ | (1) |  |  | $ | 2 |  |  | Net of tax and noncontrolling interest
Total reclassifications for the period |  | $ | (3) |  |  | $ | (3) |  |  | $ | (5) |  |  | $ | (18) |  |  | Net of tax and noncontrolling interest

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