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Variable Interest Entities Variable Interest Entity - Change in Fair Value of Assets and Liabilities (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Deconsolidated VIE Assets |  | $ 0 |
Fixed income securities, amortized cost | $ 2,140 |  |
Long-term debt | 2,230 | 2,739 |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 141 | 149 |
Variable Interest Entity Change in Fair Value of Assets and Liabilities | 4 | (1) | $ 13
Realized Investment Gains (Losses) | 7 | 22 | 81
Variable Interest Entity, Initial Consolidation, Gain (Loss) | 0 | 0 | 15
Variable Interest Entities Deconsolidation Gain Loss | 0 | 0 | (2)
Variable Interest Entity, Measure of Activity, Income or Loss before Tax | 7 | 5 | $ 38
Assets | 12,303 | 13,220 |
Liabilities | $ 11,187 | $ 12,074 |
Consolidated Entities [Member] |  |  |
Number of DeConsolidated Variable Interest Entities | 0 | 1 | 1
Variable Interest Entity [Member] |  |  |
Long-term debt | $ 4,216 | $ 4,493 |
Loans, Unpaid principal balance | 2,363 | 2,546 |
Long-term debt, Unpaid principal balance | 3,579 | 3,769 |
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Reclassification Adjustment from AOCI for Derecognition, before Tax | 1 | (1) | $ 0
Interest Expense, Long-term Debt | (6) | (6) | (11)
Other Expenses | (1) | 0 | (1)
Assets | 6,216 | 6,398 |
Liabilities | 6,156 | 6,328 |
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Reclassification Adjustment from AOCI for Derecognition, before Tax | 5 | (3) | 14
Variable Interest Entity [Member] | Available-for-sale Securities [Member] |  |  |
Gross Investment Income, Operating | 6 | 7 | 10
Realized Investment Gains (Losses) | $ 2 | $ 8 | $ 13

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