Postemployment benefit plans - Schedule of expected contributions, expected benefit payments and gross prescription drug subsidy receipts (Details) $ in Millions |
Dec. 31, 2025
USD ($)
|
|---|---|
| Expected Medicare Part D subsidy: | |
| 2026 | $ 6 |
| 2027 | 5 |
| 2028 | 5 |
| 2029 | 5 |
| 2030 | 4 |
| 2031-2035 | 17 |
| Total | 42 |
| Pension Plan | U.S. Pension Benefits | |
| Expected employer contributions: | |
| 2026 | 50 |
| Expected benefit payments: | |
| 2026 | 1,000 |
| 2027 | 985 |
| 2028 | 975 |
| 2029 | 965 |
| 2030 | 950 |
| 2031-2035 | 4,510 |
| Total | 9,385 |
| Pension Plan | Non-U.S. Pension Benefits | |
| Expected employer contributions: | |
| 2026 | 64 |
| Expected benefit payments: | |
| 2026 | 215 |
| 2027 | 200 |
| 2028 | 210 |
| 2029 | 215 |
| 2030 | 220 |
| 2031-2035 | 1,120 |
| Total | 2,180 |
| Other Postretirement Benefits | |
| Expected employer contributions: | |
| 2026 | 246 |
| Expected benefit payments: | |
| 2026 | 225 |
| 2027 | 225 |
| 2028 | 220 |
| 2029 | 215 |
| 2030 | 210 |
| 2031-2035 | 1,010 |
| Total | $ 2,105 |
| X | ||||||||||
- Definition The aggregate of benefits expected to be paid in each of the next five years, and in the aggregate for the next succeeding five years. No definition available.
|
| X | ||||||||||
- Definition Amount of the prescription drug subsidy receipts expected to be received by company No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of prescription drug subsidy receipt expected after fifth fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of prescription drug subsidy receipt expected in next fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of prescription drug subsidy receipt expected in fifth fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of prescription drug subsidy receipt expected in fourth fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of prescription drug subsidy receipt expected in third fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of prescription drug subsidy receipt expected in second fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|