v3.26.1
Revenues (Pre-Opening Costs) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Revenues.      
Recognized pre-operating costs $ 38 $ 37  
Unrecognized pre-operating costs $ 101   $ 136