Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Change in Accounting Estimate [Line Items] | ||||
| Effective Income Tax Rate, Percent | 18.10% | 24.20% | ||
| Total income tax expense (benefit) | $ 218 | $ 195 | $ 347 | $ 402 |
| High Tax Exception Percentage | 18.90% | |||
| Federal Statutory Income Tax Rate, Percent | 21.00% | |||
| Percentage of the Effective Income Tax Rate Rec at Federal Statutory Income | 90.00% | |||
| Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount | $ 36 | |||
| Office of the Tax Commissioner, Bermuda | ||||
| Change in Accounting Estimate [Line Items] | ||||
| Effective Income Tax Rate, Percent | 15.00% | |||
| Japan | ||||
| Change in Accounting Estimate [Line Items] | ||||
| Effective Income Tax Rate, Percent | 28.00% | |||
| Effective Income Tax Rate Reconciliation, Percent, Expected | 28.93% | |||
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- Definition Effective Income Tax Rate Reconciliation, Percent, Expected No definition available.
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- Definition High Tax Exception Percentage No definition available.
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- Definition Percentage of the Effective Income Tax Rate Rec at Federal Statutory Income No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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