Property, plant, and equipment - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Property, Plant and Equipment [Line Items] | ||||
| Tangible asset impairment charges | $ 0 | $ 29 | $ 1 | $ 29 |
| Kennewick, Washington Warehouse Fire | ||||
| Property, Plant and Equipment [Line Items] | ||||
| Tangible asset impairment charges | $ 0 | $ 24 | $ 0 | $ 24 |