v3.26.3
Other Comprehensive Income (Loss) - Accumulated Other Comprehensive (Loss) (AOCL) (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Total Accumulated Other Comprehensive (Loss) $ (677) $ 330 $ 449 $ 370 $ 1,127 $ 1,080
Total Accumulated Other Comprehensive (Loss)            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Total Accumulated Other Comprehensive (Loss) (3,331) $ (3,334) (3,311) $ (3,457) $ (3,448) $ (3,699)
Cumulative translation adjustments            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Total Accumulated Other Comprehensive (Loss) (1,956)   (1,861)      
Other unrealized gains (losses), net            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Total Accumulated Other Comprehensive (Loss) 7   (4)      
Benefit plans net actuarial losses and prior service credits            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Total Accumulated Other Comprehensive (Loss) $ (1,382)   $ (1,446)