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Taxation (Components Of Net Deferred Tax Assets) (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred Tax Assets, Gross [Abstract] |  |
Loss reserve discount | $ 950 | $ 884
Unearned premium reserve | 544 | 496
Foreign tax credits | 156 | 222
Provision for uncollectible balances | 32 | 46
Loss carry-forwards | 139 | 123
Debt related amounts | 70 | 69
Compensation related amounts | 178 | 281
Cumulative translation adjustments | 28 | 120
Unrealized depreciation on investments | 0 | 75
Deferred Tax Asset, Lease Liability | 111 | 121
Deferred Tax Assets, Property, Plant and Equipment | 190 | 0
Total deferred tax assets | 2,398 | 2,437
Deferred Tax Liabilities, Gross [Abstract] |  |
Deferred policy acquisition costs | 679 | 522
VOBA and other intangible assets | 1,268 | 1,425
Un-remitted foreign earnings | 121 | 77
Investments | 144 | 0
Unrealized appreciation on investments | 360 | 957
Depreciation | 0 | 123
Leasing Arrangements | 100 | 111
Deferred Tax Liabilities, Other | 23 | 31
Deferred Tax Liabilities, Gross | 2,695 | 3,246
Valuation allowance | 92 | 83
Deferred Tax Liabilities, Net | $ (389) | $ (892)

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