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Discontinued Operations - Details of the results of the Annuity subsidiaries sold (Details) - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
May 31, 2021 | Mar. 31, 2022 | Mar. 31, 2021
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Net earnings from discontinued operations |  | $ 0 | $ 152
Annuity subsidiaries |  |  |
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Tax liabilities triggered by pending sale | $ 41 |  |
Annuity subsidiaries | Net earnings from discontinued operations |  |  |
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Net investment income |  |  | 447
Realized gains (losses) on securities |  |  | 81
Other income |  |  | 32
Total revenues |  |  | 560
Annuity benefits |  |  | 161
Annuity and supplemental insurance acquisition expenses |  |  | 112
Other expenses |  |  | 46
Total costs and expenses |  |  | 319
Earnings before income taxes from discontinued operations |  |  | 241
Provision for income taxes on discontinued operations |  |  | 48
Tax liabilities triggered by pending sale |  |  | $ 41

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