Fair Value Measurements - Fair Value of Debt and Hierarchy Level Used to Estimate Fair Values (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Oct. 31, 2023	Dec. 31, 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt associated with hotels in receivership	$ 725	$ 725	$ 725
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of debt in receivership	718		692
Fair Value | Level 3 | HHV Mortgage Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loan	1,195		1,142
Fair Value | Level 3 | Other mortgage loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loan	365		435
Fair Value | Level 3 | Revolver
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loan	0		50
Fair Value | Level 1 | 2025 Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loan	652		652
Fair Value | Level 1 | 2028 Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loan	713		661
Fair Value | Level 1 | 2029 Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loan	702		635
Carrying Amount | Level 3 | HHV Mortgage Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loan	1,275		1,275
Carrying Amount | Level 3 | Other mortgage loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loan	385		469
Carrying Amount | Level 3 | Revolver
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loan	0		50
Carrying Amount | Level 1 | 2025 Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loan	650		650
Carrying Amount | Level 1 | 2028 Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loan	725		725
Carrying Amount | Level 1 | 2029 Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loan	$ 750		$ 750