Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Amortization Expense of Amortizable Intangible Assets) (Details)

v3.25.0.1
Intangible Assets (Amortization Expense of Amortizable Intangible Assets) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]      
Amortization expense $ 27 $ 27 $ 31
2025 27    
2026 26    
2027 25    
2028 25    
2029 24    
Franchise agreements      
Finite-Lived Intangible Assets [Line Items]      
Amortization expense 27 26 26
Management agreements      
Finite-Lived Intangible Assets [Line Items]      
Amortization expense $ 0 $ 1 $ 5