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Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2023
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:
|  | Three Months Ended March 31, 2023: |  | Three Months Ended March 31, 2022:
|  | 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 |  | 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
Beginning Balance |  | $ | (71) |  | $ | 3 |  | $ | (184) |  | $ | (1) |  | $ | (253) |  | $ | 154 |  | $ | 4 |  | $ | (100) |  | $ | (1) |  | $ | 58
Other comprehensive income (loss) before reclassifications |  | 14 |  | 3 |  | 16 |  | — |  | 33 |  | (104) |  | — |  | (23) |  | — |  | (127)
Amounts reclassified from accumulated other comprehensive income (loss) |  | 4 |  | — |  | — |  | — |  | 3 |  | (1) |  | — |  | — |  | — |  | (1)
Net current period other comprehensive income (loss) |  | 17 |  | 3 |  | 16 |  | — |  | 36 |  | (105) |  | — |  | (23) |  | — |  | (127)
Ending Balance |  | $ | (54) |  | $ | 6 |  | $ | (168) |  | $ | (1) |  | $ | (217) |  | $ | 49 |  | $ | 4 |  | $ | (123) |  | $ | (1) |  | $ | (70)
(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 March 31, |  |  |
| 2023 |  | 2022 |  |  |  |  |
Unrealized Gains (Losses) on Available-for-Sale Securities |  |  |  |  |  |  |  |  |  |
|  | $ | 4 |  | $ | (1) |  |  |  |  |  | Net realized investment gains (losses)
|  | (1) |  | — |  |  |  |  |  | Provision for income taxes
|  | $ | 4 |  | $ | (1) |  |  |  |  |  | Net of tax and noncontrolling interest
Amortization of Postretirement Benefit |  |  |  |  |  |  |  |  |  |
Prior service cost |  | $ | — |  | $ | — |  |  |  |  |  | Other income
Actuarial (losses) |  | — |  | — |  |  |  |  |  | Other income
|  | — |  | — |  |  |  |  |  | Total before tax
|  | — |  | — |  |  |  |  |  | Provision for income taxes
|  | $ | — |  | $ | — |  |  |  |  |  | Net of tax and noncontrolling interest
Credit Risk Changes of Fair Value Option Liabilities |  |  |  |  |  |  |  |  |  |
|  | $ | — |  | $ | 1 |  |  |  |  |  | Credit risk changes of fair value option liabilities
|  | — |  | — |  |  |  |  |  | Provision for income taxes
|  | $ | — |  | $ | — |  |  |  |  |  | Net of tax and noncontrolling interest
Total reclassifications for the period |  | $ | 3 |  | $ | (1) |  |  |  |  |  | Net of tax and noncontrolling interest

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