v3.25.4

Pension and other postretirement benefits - Schedule of Target Asset Allocation (Details) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | $ 246 | $ 175 | $ 669
Level 1 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 68 | 28 |
Level 2 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 86 | 52 |
Level 3 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 92 | 95 | 494
Cash and cash equivalents | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 5 | 2 |
Cash and cash equivalents | Level 1 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 5 | 2 |
Cash and cash equivalents | Level 2 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 0 | 0 |
Cash and cash equivalents | Level 3 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 0 | 0 |
Equity instruments | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 56 | 28 |
Equity instruments | Level 1 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 54 | 26 |
Equity instruments | Level 2 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 0 | 0 |
Equity instruments | Level 3 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 2 | 2 | 26
Debt instruments | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 62 | 52 |
Debt instruments | Level 1 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 9 | 0 |
Debt instruments | Level 2 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 53 | 52 |
Debt instruments | Level 3 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 0 | 0 |
Other | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 33 |  |
Other | Level 1 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 0 |  |
Other | Level 2 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 33 |  |
Other | Level 3 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 0 |  |
Insurance contracts | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 90 | 93 |
Insurance contracts | Level 1 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 0 | 0 |
Insurance contracts | Level 2 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | 0 | 0 |
Insurance contracts | Level 3 | Non-U.S. | Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Plan assets | $ 90 | $ 93 | $ 468
Minimum | Cash and cash equivalents |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Target allocation percentage | 0.00% |  |
Minimum | Equity instruments |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Target allocation percentage | 17.00% |  |
Minimum | Debt instruments |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Target allocation percentage | 0.00% |  |
Minimum | Other |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Target allocation percentage | 7.00% |  |
Maximum | Cash and cash equivalents |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Target allocation percentage | 10.00% |  |
Maximum | Equity instruments |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Target allocation percentage | 50.00% |  |
Maximum | Debt instruments |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Target allocation percentage | 72.00% |  |
Maximum | Other |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Target allocation percentage | 39.00% |  |

X
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