Income taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Deferred tax assets: | ||
| Deferred expenses and defined benefit pension plan obligations | $ 265 | $ 291 |
| Lease liabilities | 171 | 138 |
| Site restoration | 122 | 61 |
| Net operating loss | 90 | 22 |
| Other assets | 49 | 78 |
| Total deferred tax assets | 697 | 590 |
| Less: valuation allowances | (66) | (13) |
| Total deferred tax assets after valuation allowances | 631 | 577 |
| Deferred tax liabilities: | ||
| Cost depletion | (144) | (107) |
| Property, plant and equipment | (1,018) | (1,009) |
| Intangible and other long-lived assets | (301) | (260) |
| Leased right-of-use assets | (163) | (137) |
| Other liabilities | (33) | 0 |
| Total deferred tax liabilities | (1,659) | (1,513) |
| Total net deferred tax liabilities | (1,028) | (936) |
| Deferred income tax liabilities | (1,048) | (936) |
| Other noncurrent assets | $ 20 | $ 0 |
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- Definition Deferred Tax Asset, Lease Liabilities No definition available.
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- Definition Deferred Tax Assets, Site Restoration No definition available.
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- Definition Deferred Tax Liabilities, Cost Depletion No definition available.
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- Definition Deferred Tax Liabilities, Intangible And Other Long-Lived Assets No definition available.
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- References No definition available.
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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