v3.25.4
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