Deferred Compensation and Employee Benefit Plans - Additional Information (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Defined Benefit Plan Disclosure [Line Items]
Deferred compensation liability, noncurrent		$ 53,000,000	$ 53,000,000
Employer matching contribution, percent of employees' gross pay		6.00%	6.00%	6.00%
Plan assets, contributions by employer		$ 6,000,000
Payment for pension benefits		2,000,000	$ 5,000,000
Accrued expenses		11,000,000	(101,000,000)	$ 15,000,000
Trust for Benefit of Employees
Defined Benefit Plan Disclosure [Line Items]
Assets held-in-trust, noncurrent		$ 88,000,000	$ 99,000,000
Deferred Compensation Arrangement with Individual, by Type of Compensation, Pension and Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Maximum annual contribution per employee		50.00%	25.00%	50.00%
Vesting period		5 years
Employer annual cap per participant				$ 600
Contribution expense		$ 26,000,000	$ 14,000,000	$ 7,000,000
Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, actuarial gain (loss)		3,000,000	19,000,000
Plan assets, amount		213,000,000	180,000,000
Benefit obligation		242,000,000	217,000,000
Funded (unfunded) status of plan		$ 29,000,000	$ 37,000,000
Expected long-term rate of return on plan assets		4.20%
Discount rate		2.00%
Hilton Matter | Settled Litigation
Defined Benefit Plan Disclosure [Line Items]
Receivable, proceeds	$ 12,000,000
Employee benefit liabilities assumed			31.75%
Accrued expenses		$ 3,000,000
Deferred credits and other liabilities		1,000,000
Unfunded Plan
Defined Benefit Plan Disclosure [Line Items]
Deferred compensation liability, noncurrent		$ 1,000,000
Deferred compensation liability, current			$ 0
Contribution Cap
Defined Benefit Plan Disclosure [Line Items]
Employer matching contribution, percent of employees' gross pay			6.00%
Contribution Cap | Deferred Compensation Arrangement with Individual, by Type of Compensation, Pension and Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Maximum annual contribution per employee			50.00%
Employer annual cap per participant			$ 600