v3.26.1
Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) (Detail) - 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) [Roll Forward]        
Balance, beginning of period     $ 14,154  
Other comprehensive income (loss) $ (77) $ 708 (158) $ 1,112
Balance, end of period 13,976   13,976  
Foreign Currency Translation Adjustments        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance, beginning of period (1,363) (2,022) (1,273) (2,426)
OCI before reclassifications (77) 710 (167) 1,114
Reclassifications due to business divestitures   48   48
Amounts reclassified from AOCI 0 0 0 0
Other comprehensive income (loss) (77) 758 (167) 1,162
Balance, end of period (1,440) (1,264) (1,440) (1,264)
Gains (Losses)  on Derivatives Qualifying as Hedges        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance, beginning of period 0 (3) (4) (2)
OCI before reclassifications (1) 0 3 (1)
Reclassifications due to business divestitures   0   0
Amounts reclassified from AOCI 0 0 0 0
Other comprehensive income (loss) (1) 0 3 (1)
Balance, end of period (1) (3) (1) (3)
Pension and Postretirement Liability Adjustment        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance, beginning of period (148) (98) (153) (99)
OCI before reclassifications 3 (1) 10 (1)
Reclassifications due to business divestitures   (50)   (50)
Amounts reclassified from AOCI 2 (1) 4 (2)
Other comprehensive income (loss) 1 (50) 6 (49)
Balance, end of period (147) (148) (147) (148)
AOCI Attributable to Parent        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Balance, beginning of period (1,511) (2,123) (1,430) (2,527)
OCI before reclassifications (75) 709 (154) 1,112
Reclassifications due to business divestitures   (2)   (2)
Amounts reclassified from AOCI 2 (1) 4 (2)
Other comprehensive income (loss) (77) 708 (158) 1,112
Balance, end of period $ (1,588) $ (1,415) $ (1,588) $ (1,415)