Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Income Tax Disclosure [Abstract] | ||
| Effective income tax rate (as a percent) | 162.90% | 23.80% |
| U.S. federal income tax at statutory rate (as a percent) | 21.00% | 21.00% |
| Valuation allowance | $ 1,600 | |
| Valuation allowance for net operating losses | 171 | |
| Realized and unrealized capital losses | 1,400 | |
| Valuation allowance recorded in AOCI for unrealized capital losses | 1,100 | |
| Increase in valuation allowance related to net operating losses | 11 | |
| Increase in valuation allowance related to realized and unrealized capital losses | 227 | |
| Increase in valuation allowance recorded in P&L | 140 | |
| Increase (decrease) in valuation allowance recorded in OCI | $ 87 | |
| X | ||||||||||
- Definition Realized And Unrealized Capital Loss Carryforwards, Valuation Allowance No definition available.
|
| X | ||||||||||
- Definition Unrealized Capital Loss Carryforwards, Valuation Allowance No definition available.
|
| X | ||||||||||
- Definition Valuation Allowance Deferred Tax Asset, Increase (Decrease), Net Operating Loss Carryforward No definition available.
|
| X | ||||||||||
- Definition Valuation Allowance Deferred Tax Asset, Increase (Decrease), Realized And Unrealized Capital Losses No definition available.
|
| X | ||||||||||
- Definition Valuation Allowance Deferred Tax Asset, Increase (Decrease), Realized And Unrealized Capital Losses, Recorded In Net Income (Loss) No definition available.
|
| X | ||||||||||
- Definition Valuation Allowance Deferred Tax Asset, Increase (Decrease), Realized And Unrealized Capital Losses, Recorded In OCI No definition available.
|
| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|