v3.25.2
Shareholders' Equity and Redeemable Non-controlling Interests - Components of accumulated other comprehensive income (loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance     $ 12,474  
Total other comprehensive income (loss), net of tax $ 94 $ 9 179 $ (47)
Ending balance 11,921   11,921  
AOCI Attributable to Parent        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (1,447) (1,532) (1,532) (1,476)
Other comprehensive income (loss) before reclassifications     46 (62)
Tax benefit before reclassifications     106 (30)
Amounts reclassified from accumulated other comprehensive loss     38 58
Tax expense     (11) (13)
Total other comprehensive income (loss), net of tax 94 9 179 (47)
Ending balance (1,353) (1,523) (1,353) (1,523)
Financial Derivatives        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance     (111) (226)
Other comprehensive income (loss) before reclassifications     (47) 17
Tax benefit before reclassifications     12 (5)
Amounts reclassified from accumulated other comprehensive loss     39 50
Tax expense     (10) (12)
Total other comprehensive income (loss), net of tax     (6) 50
Ending balance (117) (176) (117) (176)
Defined Benefit Pension and Other Postretirement Benefit Plans        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance     (281) (279)
Other comprehensive income (loss) before reclassifications     (3) 0
Tax benefit before reclassifications     1 0
Amounts reclassified from accumulated other comprehensive loss     (1) 8
Tax expense     (1) (1)
Total other comprehensive income (loss), net of tax     (4) 7
Ending balance (285) (272) (285) (272)
Foreign Currency Translation Adjustments        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance     (1,140) (971)
Other comprehensive income (loss) before reclassifications     96 (79)
Tax benefit before reclassifications     93 (25)
Amounts reclassified from accumulated other comprehensive loss     0 0
Tax expense     0 0
Total other comprehensive income (loss), net of tax     189 (104)
Ending balance $ (951) $ (1,075) $ (951) $ (1,075)