Supplemental Disclosures of Cash Flow Information - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other Significant Noncash Transactions [Line Items]
Cash paid for interest	$ 64	$ 63	$ 49
Cash paid for income taxes	54	74	153
Cumulative non-cash adjustment,revenue			38
Noncash operating activity transaction related to classification of certain undeveloped land and infrastructure	41
Non cash transaction related to classification of undeveloped land and infrastructure on properties and equipment	16
Timeshare units transfer from property and equipment to inventory	$ 301
Transfer from property and equipment to inventory		25	3
Non cash issuance of other debt related to acquisition of property		23
Noncash operating activity transaction related to reclassification of deposits on properties for future conversion		$ 40
Hilton
Other Significant Noncash Transactions [Line Items]
Non-cash financing activity adjustment to equity related to the write-off of expenses			$ 3