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Equity (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income, equity method investments $ 1 $ 1    
Stockholders' equity, including portion attributable to noncontrolling interest (10,733) (12,554) $ (10,899) $ (12,866)
Total        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' equity, including portion attributable to noncontrolling interest 11 13    
Equity, Portion Attributable to Noncontrolling Interest 6 7    
Total Attributable to Parent [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Stockholders' equity attributable to parent 5 $ 6    
ATM Program        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Value of Shares Authorized $ 300