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Condensed Financial Information of Parent Company - Condensed Statement of Earnings (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Revenues: |  |  |  |  |  |  |  |  |  |  |
Total revenues | $ 2,623 | $ 2,060 | $ 1,951 | $ 1,275 | $ 2,130 | $ 2,123 | $ 1,960 | $ 2,024 | $ 7,909 | $ 8,237 | $ 7,150
Costs and Expenses: |  |  |  |  |  |  |  |  |  |  |
Interest charges on other borrowings |  |  |  |  |  |  |  |  | 88 | 68 | 62
Other expenses |  |  |  |  |  |  |  |  | 430 | 441 | 393
Total costs and expenses |  |  |  |  |  |  |  |  | 7,061 | 7,129 | 6,511
Earnings before income taxes |  |  |  |  |  |  |  |  | 848 | 1,108 | 639
Provision for income taxes |  |  |  |  |  |  |  |  | 127 | 239 | 122
Net Earnings Attributable to Shareholders | $ 692 | $ 164 | $ 177 | $ (301) | $ 211 | $ 147 | $ 210 | $ 329 | 732 | 897 | 530
AFG |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |
Dividends from subsidiaries |  |  |  |  |  |  |  |  | 543 | 417 | 261
Equity in undistributed earnings of subsidiaries |  |  |  |  |  |  |  |  | 474 | 888 | 529
Investment and other income |  |  |  |  |  |  |  |  | 32 | 20 | 2
Total revenues |  |  |  |  |  |  |  |  | 1,049 | 1,325 | 792
Costs and Expenses: |  |  |  |  |  |  |  |  |  |  |
Interest charges on intercompany borrowings |  |  |  |  |  |  |  |  | 8 | 8 | 8
Interest charges on other borrowings |  |  |  |  |  |  |  |  | 88 | 68 | 62
Other expenses |  |  |  |  |  |  |  |  | 94 | 113 | 70
Total costs and expenses |  |  |  |  |  |  |  |  | 190 | 189 | 140
Earnings before income taxes |  |  |  |  |  |  |  |  | 859 | 1,136 | 652
Provision for income taxes |  |  |  |  |  |  |  |  | 127 | 239 | 122
Net Earnings Attributable to Shareholders |  |  |  |  |  |  |  |  | $ 732 | $ 897 | $ 530

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