PROPERTY AND EQUIPMENT - Additional Information (Details) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2019 USD ($) resort	Jun. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) resort	Sep. 30, 2018 USD ($)
Property, Plant and Equipment [Line Items]
Impairment	$ 73		$ 0	$ 99	$ 0
Minimum
Property, Plant and Equipment [Line Items]
Estimated cash proceeds, asset disposals	160
Maximum
Property, Plant and Equipment [Line Items]
Estimated cash proceeds, asset disposals	220
Land and Land Improvements
Property, Plant and Equipment [Line Items]
Impairment				$ 26
Property, plant and equipment to be sold		$ 10
Ancillary business
Property, Plant and Equipment [Line Items]
Impairment	1
Strategic Change
Property, Plant and Equipment [Line Items]
Impairment	72
Strategic Change | Land and Land Improvements
Property, Plant and Equipment [Line Items]
Impairment	$ 61
Number of resorts | resort	3			3
Strategic Change | Land
Property, Plant and Equipment [Line Items]
Impairment	$ 9
Strategic Change | Ancillary business
Property, Plant and Equipment [Line Items]
Impairment	$ 2