v3.26.1
Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Balance, beginning of period $ 14,154  
Amounts reclassified from AOCI 0 $ 0
Net current period other comprehensive (loss) income (81) 404
Balance, end of period 14,120  
Foreign Currency Translation Adjustments    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Balance, beginning of period (1,273) (2,426)
OCI before reclassifications (90) 404
Amounts reclassified from AOCI 0 0
Net current period other comprehensive (loss) income (90) 404
Balance, end of period (1,363) (2,022)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Balance, beginning of period (4) (2)
OCI before reclassifications 4 (1)
Amounts reclassified from AOCI 0 0
Net current period other comprehensive (loss) income 4 (1)
Balance, end of period 0 (3)
Pension and Postretirement Liability Adjustment    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Balance, beginning of period (153) (99)
OCI before reclassifications 7 0
Amounts reclassified from AOCI 2 (1)
Net current period other comprehensive (loss) income 5 1
Balance, end of period (148) (98)
AOCI Attributable to Parent    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Balance, beginning of period (1,430) (2,527)
OCI before reclassifications (79) 403
Amounts reclassified from AOCI 2 (1)
Net current period other comprehensive (loss) income (81) 404
Balance, end of period $ (1,511) $ (2,123)