Segment and net sales information - Schedule of Identifiable Assets (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Segment Reporting [Line Items] | ||
| Total assets | $ 19,303 | $ 17,152 |
| Total long-lived assets | 2,016 | 1,911 |
| United States | ||
| Segment Reporting [Line Items] | ||
| Total long-lived assets | 1,973 | 1,865 |
| Canada | ||
| Segment Reporting [Line Items] | ||
| Total long-lived assets | 43 | 46 |
| Operating Segments | ||
| Segment Reporting [Line Items] | ||
| Total assets | 18,723 | 16,390 |
| Corporate | ||
| Segment Reporting [Line Items] | ||
| Total assets | 580 | 762 |
| United States | Operating Segments | ||
| Segment Reporting [Line Items] | ||
| Total assets | 17,746 | 15,444 |
| Canada | Operating Segments | ||
| Segment Reporting [Line Items] | ||
| Total assets | $ 977 | $ 946 |
| X | ||||||||||
- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of long-lived asset, excluding financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax asset. 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 | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|