v3.26.1
Accumulated Other Comprehensive Income (Loss) - Change in AOCI Balances (Details) - USD ($)
$ in Millions
 3 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance $ 4,483 $ 4,464 $ 4,107 $ 1,544
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax (11) (14) 268 139
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax (7) (5) (3) 107
Ending balance 4,472 4,483 4,374 4,107
Accumulated Other Comprehensive Income (Loss)        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance 262 281 22 (224)
Ending balance 244 262 287 22
Pension and Other Postretirement Benefits        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (7) (7) (1) (113)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax 0 0 0 2
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax 0 0 0 110
Ending balance (7) (7) (1) (1)
Derivatives Designated as Hedges        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (20) (18) (18) 2
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax 4 (1) (1) (17)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax (2) (1) (3) (3)
Ending balance (18) (20) (22) (18)
Foreign Currency Translation        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance 289 306 41 (113)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax (15) (13) 269 154
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax (5) (4) 0 0
Ending balance $ 269 $ 289 $ 310 $ 41