Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
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| Commitments and Contingencies [Line Items] | ||
| Accrued litigation, current | $ 28 | $ 15 |
| Accrued litigation, noncurrent | 108 | 113 |
| First-Priority Lien, Power and Natural Gas Agreements | ||
| Commitments and Contingencies [Line Items] | ||
| Maximum exposure | 220 | |
| Accounts Payable and Accrued Liabilities | ||
| Commitments and Contingencies [Line Items] | ||
| Accrued undiscounted amounts | 9 | 9 |
| Other Liabilities | ||
| Commitments and Contingencies [Line Items] | ||
| Accrued undiscounted amounts | $ 169 | $ 169 |
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- Definition Commitments and Contingencies [Line Items] No definition available.
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- Definition Undiscounted amount of the accrual for environmental loss contingencies. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid within one year of the date of the statement of financial position. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Carrying amount of estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid after one year or beyond the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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