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Income Taxes (Components Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Deferred tax assets: |  |
Unearned premiums | $ 165 | $ 148
Loss and loss expense reserves | 120 | 106
Net operating loss on international earnings | 26 | 28
Deferred international earnings | 0 | 16
Other | 70 | 55
Deferred tax assets before valuation allowance | 381 | 353
Valuation allowance for international operations | 0 | 31
Deferred tax assets net of valuation allowance | 381 | 322
Deferred tax liabilities: |  |
Investment gains and other, net | 1,290 | 992
Deferred acquisition costs | 184 | 171
Life policy reserves | 104 | 121
Deferred international earnings | 21 | 0
Investments | 35 | 31
Other | 71 | 61
Total gross deferred tax liabilities | 1,705 | 1,376
Net deferred income tax liability | $ 1,324 | $ 1,054

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