Commitments and contingencies - Narrative (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Other Commitments [Line Items] | ||
| Other contractual commitments | $ 776 | $ 601 |
| Accrued environmental remediation obligations | 68 | 69 |
| Outstanding commitments | 798 | 751 |
| Self insurance reserves | 129 | 121 |
| Capital Addition Purchase Commitments | ||
| Other Commitments [Line Items] | ||
| Purchase commitments | $ 266 | $ 207 |
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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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. No definition available.
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- Definition Amount of the recorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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