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Taxation (Components Of Net Deferred Tax Assets) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Deferred Tax Assets, Gross [Abstract] |  |
Loss reserve discount | $ 1,001 | $ 950
Unearned premiums reserve | 417 | 544
Foreign tax credits | 76 | 156
Loss carry-forwards | 104 | 139
Investments | 57 | 0
Unrealized depreciation on investments | 1,387 | 0
Depreciation | 126 | 190
Other | 175 | 296
Total deferred tax assets | 3,343 | 2,275
Valuation allowance | 916 | 92
Deferred Tax Assets, Net, Total | 2,427 | 2,183
Deferred Tax Liabilities, Gross [Abstract] |  |
Deferred policy acquisition costs | 276 | 679
Other intangible assets, including VOBA | 2,194 | 1,268
Un-remitted foreign earnings | 249 | 121
Investments | 0 | 144
Unrealized appreciation on investments | 0 | 360
Total deferred tax liabilities | 2,719 | 2,572
Net deferred tax liabilities | $ (292) | $ (389)

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