Debt and lines of credit - Additional Information (Details) - USD ($) |
1 Months Ended | 3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Debt Instrument [Line Items] | |||||
| Commercial paper | $ 0 | $ 0 | $ 0 | ||
| Repayment of debt | 500,000,000 | $ 750,000,000 | |||
| Interest and debt expense | 141,000,000 | $ 141,000,000 | 423,000,000 | 402,000,000 | |
| Interest costs capitalized | 3,000,000 | $ 3,000,000 | 9,000,000 | $ 9,000,000 | |
| Notes due 2026 at 1.125% | |||||
| Debt Instrument [Line Items] | |||||
| Repayment of debt | 500,000,000 | ||||
| Revolving credit facility | |||||
| Debt Instrument [Line Items] | |||||
| Line of credit facility, maximum borrowing capacity | 1,000,000,000 | 1,000,000,000 | 1,000,000,000 | ||
| Delayed Draw Term Loan | |||||
| Debt Instrument [Line Items] | |||||
| Line of credit facility, maximum borrowing capacity | $ 5,000,000,000 | $ 5,000,000,000 | $ 5,000,000,000 | ||
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- Definition Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Interest and debt related expenses associated with nonoperating financing activities of the entity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of interest capitalized during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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