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Income Taxes - Reconciliation of income taxes at the statutory rate to the provision for income taxes (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |
Earnings from continuing operations before income taxes (“EBT”) | $ 1,335 | $ 339 | $ 634
Income taxes at statutory rate | 280 | 71 | 133
Effect of employee stock ownership plan dividend paid deduction | (16) | (2) | (3)
Effect of stock-based compensation | (13) | (4) | (7)
Effect of tax exempt interest | (8) | (10) | (11)
Effect of change in valuation allowance (excluding change in tax rate) | (4) | (117) | 17
Effect of dividends received deduction | (2) | (2) | (3)
Effect of adjustments to prior year taxes | (1) | 1 | (2)
Effect of sale of subsidiaries | 0 | (72) | 0
Effect of nondeductible expenses | 8 | 4 | 8
Effect of foreign operations | 0 | 149 | 4
Effect of other income tax reconciliation | 10 | 7 | 7
Provision for income taxes as shown in the Statement of Earnings | $ 254 | $ 25 | $ 143
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |  |
Income taxes at statutory rate as a percentage of EBT | 21.00% | 21.00% | 21.00%
Effect of employee stock ownership plan dividend paid deduction as a percentage of EBT | (1.00%) | (1.00%) | 0.00%
Effect of stock-based compensation as a percentage of EBT | (1.00%) | (1.00%) | (1.00%)
Effect of tax exempt interest as a percentage of EBT | (1.00%) | (3.00%) | (2.00%)
Effect of change in valuation allowance (excluding change in tax rate) as a percentage of EBT | 0.00% | (35.00%) | 3.00%
Effect of dividend received deduction as a percentage of EBT | 0.00% | (1.00%) | 0.00%
Effect of prior year income taxes as a percentage of EBT | 0.00% | 0.00% | 0.00%
Effect sale of subsidiaries as a percentage of EBT | 0.00% | (21.00%) | 0.00%
Effect of nondeductible expenses as a percentage of EBT | 1.00% | 1.00% | 1.00%
Effect of foreign operations as a percentage of EBT | 0.00% | 44.00% | 1.00%
Effect of other income tax reconciliation as a percentage of EBT | 0.00% | 3.00% | 0.00%
Provision for income taxes as shown in the Statement of Earnings as a percentage of EBT | 19.00% | 7.00% | 23.00%

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