Debt and lines of credit - Additional Information (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Debt Instrument [Line Items] | ||||
| Commercial paper | $ 0 | $ 0 | ||
| Interest and debt expense | 141,000,000 | $ 133,000,000 | 282,000,000 | $ 261,000,000 |
| Interest costs capitalized | 3,000,000 | $ 2,000,000 | 6,000,000 | $ 6,000,000 |
| Revolving credit facility | ||||
| Debt Instrument [Line Items] | ||||
| Line of credit facility, maximum borrowing capacity | 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 | ||
| X | ||||||||||
- 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
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Interest and debt related expenses associated with nonoperating financing activities of the entity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of interest capitalized during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|