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Fair Value Measurements - Summary of Fair Values of Certain Financial Assets and Financial Liabilities (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Financial assets    
Notes receivable (Level 2), carrying amount $ 114 $ 79
Financial liabilities    
Senior notes (Level 1), carrying amount 3,988 3,993
Credit facility 995 992
Mortgage debt (Level 2) 96 98
Level 2    
Financial assets    
Notes receivable (Level 2), fair value 114 80
Financial liabilities    
Credit facility (Level 2), fair value 1,000 1,000
Mortgage debt (Level 2) 92 91
Level 1 | Senior Notes    
Financial liabilities    
Senior notes (Level 1), fair value $ 3,958 $ 3,838