v3.26.1
Employee Benefit Plans - Contributions (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Change in Plan Assets:      
Employer contributions $ 161    
Amounts Recognized in the Consolidated Balance Sheets:      
Pension and other benefit liabilities (1,068) $ (1,088)  
Post-retirement medical benefits (159) (154)  
Pension Plan      
Change in Benefit Obligation:      
Benefit obligation - beginning 6,273    
Benefit obligation - ending 6,909 6,273  
Change in Plan Assets:      
Fair value of plan assets - beginning 5,627    
Employer contributions 140    
Fair value of plan assets - ending 6,433 5,627  
Net funded status (476) (646)  
Pension Plan | United States      
Change in Benefit Obligation:      
Benefit obligation - beginning 2,176 2,389  
Service cost 0 0 $ 0
Interest cost 138 88  
Plan participants' contributions 0 0  
Actuarial loss (gain) 38 (136)  
Currency exchange rate changes 0 0  
Plan amendment 0 0  
Benefits paid/settlements (189) (165)  
Acquisition 399 0  
Other 1 0  
Benefit obligation - ending 2,563 2,176 2,389
Change in Plan Assets:      
Fair value of plan assets - beginning 1,407 1,528  
Actual return on plan assets 189 (56)  
Employer contributions 112 100  
Plan participants' contributions 0 0  
Currency exchange rate changes 0 0  
Benefits paid/settlements (189) (165)  
Acquisition 326 0  
Other 0 0  
Fair value of plan assets - ending 1,845 1,407 1,528
Net funded status (718) (769)  
Amounts Recognized in the Consolidated Balance Sheets:      
Other long-term assets 0 0  
Accrued compensation and benefit costs (24) (22)  
Pension and other benefit liabilities (694) (747)  
Post-retirement medical benefits 0 0  
Net Amounts Recognized (718) (769)  
Accumulated Benefit Obligation 2,563 2,176  
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]      
Net actuarial loss (gain) 640 700  
Prior service cost (credit) 0 0  
Total loss (gain) - Pre-tax 640 700  
Pension Plan | Non-U.S.      
Change in Benefit Obligation:      
Benefit obligation - beginning 4,097 4,567  
Service cost 6 5 5
Interest cost 195 182  
Plan participants' contributions 2 1  
Actuarial loss (gain) (114) (281)  
Currency exchange rate changes 350 (157)  
Plan amendment 3 54  
Benefits paid/settlements (346) (274)  
Acquisition 155 0  
Other (2) 0  
Benefit obligation - ending 4,346 4,097 4,567
Change in Plan Assets:      
Fair value of plan assets - beginning 4,220 4,662  
Actual return on plan assets 209 (42)  
Employer contributions 28 27  
Plan participants' contributions 2 1  
Currency exchange rate changes 355 (154)  
Benefits paid/settlements (346) (274)  
Acquisition 122 0  
Other (2) 0  
Fair value of plan assets - ending 4,588 4,220 4,662
Net funded status 242 123  
Amounts Recognized in the Consolidated Balance Sheets:      
Other long-term assets 578 421  
Accrued compensation and benefit costs (20) (18)  
Pension and other benefit liabilities (316) (280)  
Post-retirement medical benefits 0 0  
Net Amounts Recognized 242 123  
Accumulated Benefit Obligation 4,320 4,049  
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]      
Net actuarial loss (gain) 1,344 1,405  
Prior service cost (credit) 186 177  
Total loss (gain) - Pre-tax 1,530 1,582  
Retiree Health      
Change in Benefit Obligation:      
Benefit obligation - beginning 173 193  
Service cost 1 1 1
Interest cost 8 8  
Plan participants' contributions 5 5  
Actuarial loss (gain) 6 (3)  
Currency exchange rate changes 5 (8)  
Plan amendment 0 0  
Benefits paid/settlements (26) (23)  
Acquisition 7 0  
Other 0 0  
Benefit obligation - ending 179 173 193
Change in Plan Assets:      
Fair value of plan assets - beginning 0 0  
Actual return on plan assets 0 0  
Employer contributions 21 18  
Plan participants' contributions 5 5  
Currency exchange rate changes 0 0  
Benefits paid/settlements (26) (23)  
Acquisition 0 0  
Other 0 0  
Fair value of plan assets - ending 0 0 $ 0
Net funded status (179) (173)  
Amounts Recognized in the Consolidated Balance Sheets:      
Other long-term assets 0 0  
Accrued compensation and benefit costs (20) (19)  
Pension and other benefit liabilities 0 0  
Post-retirement medical benefits (159) (154)  
Net Amounts Recognized (179) (173)  
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract]      
Net actuarial loss (gain) (46) (63)  
Prior service cost (credit) (53) (66)  
Total loss (gain) - Pre-tax $ (99) $ (129)