v3.25.2
Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Increase (Decrease) Accumulated Other Comprehensive Loss, Net of Tax        
Balance $ 1,249 $ 1,826 $ 1,205 $ 1,744
Other comprehensive income (loss) 129 (241) 195 (221)
Balance 1,369 1,631 1,369 1,631
Net Effect of Exchange Rate Fluctuations        
Increase (Decrease) Accumulated Other Comprehensive Loss, Net of Tax        
Balance (1,343) (944) (1,435) (949)
Change before reclassifications 213 (250) 305 (245)
Other comprehensive income (loss) 213 (250) 305 (245)
Balance (1,130) (1,194) (1,130) (1,194)
Change in Certain Derivative Instruments        
Increase (Decrease) Accumulated Other Comprehensive Loss, Net of Tax        
Balance (42) (34) (14) (43)
Change before reclassifications (83) 14 (111) 22
Amounts reclassified from accumulated other comprehensive income (loss) 3 (2) 6 (3)
Translation effect   (1)    
Tax effect 3 (1)    
Other comprehensive income (loss) (77) 10 (105) 19
Balance (119) (24) (119) (24)
Employee Benefit Plans        
Increase (Decrease) Accumulated Other Comprehensive Loss, Net of Tax        
Balance (529) (582) (526) (588)
Change before reclassifications 1   (1) (1)
Amounts reclassified from accumulated other comprehensive income (loss) 5 6 10 12
Translation effect (12) 1 (18) 2
Tax effect (1) (1) (1) (1)
Other comprehensive income (loss) (7) 6 (10) 12
Balance (536) (576) (536) (576)
Accumulated Other Comprehensive Loss.        
Increase (Decrease) Accumulated Other Comprehensive Loss, Net of Tax        
Balance (1,914) (1,560) (1,975) (1,580)
Change before reclassifications 131 (236) 193 (224)
Amounts reclassified from accumulated other comprehensive income (loss) 8 4 16 9
Translation effect (12)   (18) 2
Tax effect 2 (2) (1) (1)
Other comprehensive income (loss) 129 (234) 190 (214)
Balance $ (1,785) $ (1,794) $ (1,785) $ (1,794)