v3.26.1
Other Comprehensive Income (Loss) - Accumulated Other Comprehensive Loss (AOCL) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Total Accumulated Other Comprehensive Loss $ 330 $ 305 $ 449 $ 1,127 $ 1,057 $ 1,080
Total Accumulated Other Comprehensive Loss            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Total Accumulated Other Comprehensive Loss (3,334) $ (3,344) (3,311) $ (3,448) $ (3,617) $ (3,699)
Cumulative translation adjustments            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Total Accumulated Other Comprehensive Loss (1,937)   (1,861)      
Other unrealized gains (losses), net            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Total Accumulated Other Comprehensive Loss 4   (4)      
Benefit plans net actuarial losses and prior service credits            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Total Accumulated Other Comprehensive Loss $ (1,401)   $ (1,446)