VARIABLE INTEREST ENTITIES - Additional Information (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Accounts Receivable, including VIE, after allowance for credit loss	$ 272	$ 323
Property and equipment, net	809	$ 718
Note receivable (less than)	1
Variable interest entity
Variable Interest Entity [Line Items]
Cash surrender value of life insurance	45
San Francisco, California | Variable interest entity
Variable Interest Entity [Line Items]
Accounts Receivable, including VIE, after allowance for credit loss	2
Inventory	5
Note receivable (less than)	1
Maximum loss (less than for New York)	7
New York City, New York | Variable interest entity
Variable Interest Entity [Line Items]
Property and equipment, net	22
New York City, New York | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Note receivable (less than)	1
Maximum loss (less than for New York)	23
Waikiki Hawaii | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Accounts Receivable, including VIE, after allowance for credit loss	1
Note receivable (less than)	1
Maximum loss (less than for New York)	$ 1