VARIABLE INTEREST ENTITIES - Additional Information (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Accounts Receivable, including VIE, after allowance for credit loss	$ 267	$ 323
Property and equipment	833	718
Accrued liabilities	344	$ 397
Variable Interest Entity, Not Primary Beneficiary | San Francisco, California
Variable Interest Entity [Line Items]
Accounts Receivable, including VIE, after allowance for credit loss	3
Inventory	5
Note receivable (less than)	1
Maximum loss (less than for New York)	8
Variable Interest Entity, Not Primary Beneficiary | New York City, New York
Variable Interest Entity [Line Items]
Property and equipment	22
Note receivable (less than)	1
Maximum loss (less than for New York)	23
Variable Interest Entity, Not Primary Beneficiary | Waikiki Hawaii
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
Variable Interest Entity
Variable Interest Entity [Line Items]
Cash surrender value of life insurance	$ 36