v3.26.1
Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Accumulated other comprehensive income (loss)        
Beginning balance $ 29,681 $ 28,353 $ 30,241 $ 28,463
Other comprehensive income (loss) before reclassifications     (93) 294
Other Comprehensive Income (Loss), Net of Income Taxes (25) 195 (89) 289
Ending balance 32,703 28,627 32,703 28,627
Accumulated Other Comprehensive Loss        
Accumulated other comprehensive income (loss)        
Beginning balance (231) (313) (167) (407)
Other Comprehensive Income (Loss), Net of Income Taxes (25) 195 (89) 289
Ending balance (256) (118) (256) (118)
Defined Benefit Plans        
Accumulated other comprehensive income (loss)        
Beginning balance     (113) (140)
Other comprehensive income (loss) before reclassifications     3 2
Other Comprehensive Income (Loss), Net of Income Taxes     7 9
Ending balance (106) (131) (106) (131)
Amortization of net actuarial loss and settlements        
Accumulated other comprehensive income (loss)        
Amounts reclassified from accumulated other comprehensive loss     4 7
Foreign Currency Translation        
Accumulated other comprehensive income (loss)        
Beginning balance     (49) (262)
Other comprehensive income (loss) before reclassifications     (96) 292
Amounts reclassified from accumulated other comprehensive loss     0 (12)
Other Comprehensive Income (Loss), Net of Income Taxes     (96) 280
Ending balance (145) 18 (145) 18
Hedging        
Accumulated other comprehensive income (loss)        
Beginning balance     (5) (5)
Other comprehensive income (loss) before reclassifications     0 0
Other Comprehensive Income (Loss), Net of Income Taxes     0 0
Ending balance $ (5) $ (5) $ (5) $ (5)