v3.26.1
Changes in Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 18, 2026
Dec. 31, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance $ 1,848 $ 1,722    
Aggregate adjustment for the period 57 16    
Ending balance 143 1,881    
Accumulated other comprehensive loss (Note 14) (212) (325) $ (97) $ (268)
Foreign currency translation adjustments        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (263) (337)    
Aggregate adjustment for the period (28) 16    
Ending balance (291) (321)    
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance 0 0    
Other comprehensive income (loss) before reclassifications (net of tax effect) 87 0    
Reclassification to income (net of tax effect) 0 0    
Ending balance 87 0    
Pension and postretirement plans        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (5) (4)    
Other comprehensive income (loss) before reclassifications (net of tax effect) (3) 0    
Reclassification to income (net of tax effect) 0 0    
Ending balance (8) (4)    
Net tax effect of Other comprehensive income before reclassifications (1) 0    
Net tax effect of Reclassification Adjustment from AOCI, Pension and Other Postretirement Plans 0 0    
Accumulated Gain (Loss), Net, Cash Flow Hedge, Noncontrolling Interest        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Net tax effect of Other comprehensive income before reclassifications (16) 0    
Net tax effect of Reclassification Adjustment from AOCI, Pension and Other Postretirement Plans $ 0 $ 0