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Income Taxes - Narrative (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Income Tax Disclosure [Abstract] |  |  |
Paid income taxes | $ 2,150,000,000 | $ 276,000,000 |
Transferable tax credit | 136,000,000 | 33,000,000 |
Income tax refunds |  |  | $ 45,000,000
Current income tax payable | 531,000,000 | 91,000,000 |
Valuation allowance | 68,000,000 | 69,000,000 |
Unrecognized tax benefits, income tax penalties expense | 0 | (4,000,000) | 0
Unrecognized tax benefits, income tax penalties accrued | 3,000,000 | 3,000,000 |
Unrecognized tax benefits, interest (benefit) expense | (3,000,000) | (2,000,000) | $ 7,000,000
Unrecognized tax benefits, interest on income taxes accrued | $ 12,000,000 | $ 15,000,000 |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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- Definition Amount, before refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-2A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 23 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-23 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-22 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 25 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-25 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-2 + Details
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