v3.26.1
Employee Benefit Plans - Contributions (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Employer contributions $ 161  
Expected future employer contribution, next fiscal year 165  
Pension Plan    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Employer contributions 140  
Expected future employer contribution, next fiscal year 145  
Retiree Health    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Employer contributions 21 $ 18
Expected future employer contribution, next fiscal year 20  
U.S. | Pension Plan    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Employer contributions 112 100
Expected future employer contribution, next fiscal year 115  
U.S. | Pension Plan | Tax Qualified    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Employer contributions 89  
Expected future employer contribution, next fiscal year 95  
Non-U.S. | Pension Plan    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Employer contributions 28 $ 27
Expected future employer contribution, next fiscal year $ 30