Leases - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) renewal_option	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Operating Leased Assets [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 8,588	$ 8,230	$ 4,689
Financing obligation, annual rent	$ 773
Financing obligation, term of contract	15 years
Financing obligation, number of renewal terms | renewal_option	4
Financing obligation, renewal term	5 years
Lessor, operating lease, renewal term	5 years
Minimum
Operating Leased Assets [Line Items]
Operating lease, remaining lease term	1 year
Lessor, operating lease, term	1 year
Maximum
Operating Leased Assets [Line Items]
Operating lease, remaining lease term	72 years
Finance lease, remaining lease term	5 years
Lessor, operating lease, term	85 years
Rooms
Operating Leased Assets [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 1,581	1,519	1,074
Food and beverage
Operating Leased Assets [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax	1,618	$ 1,574	$ 982
Lease income	$ 47