PROPERTY, BUILDINGS AND EQUIPMENT (Details) - USD ($) $ in Millions		3 Months Ended	6 Months Ended		12 Months Ended
	Jan. 01, 2020	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property, buildings and equipment		$ 3,470	$ 3,470		$ 3,493
Less: Accumulated depreciation and amortization and impairment					2,093
PROPERTY, BUILDINGS AND EQUIPMENT - NET		1,365	1,365		1,400
Impairment charge			44
Minimum [Member]
Property, Plant and Equipment [Line Items]
Less: Accumulated depreciation and amortization and impairment		2,105	2,105
Land [Member]
Property, Plant and Equipment [Line Items]
Property, buildings and equipment		329	329		332
Building, Structures and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, buildings and equipment		1,317	1,317		1,329
Estimated useful lives				30 years
Furniture, Fixtures, Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, buildings and equipment		1,824	1,824		$ 1,832
Estimated useful lives					30 years
Furniture, Fixtures, Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	40 years
Furniture, Fixtures, Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	50 years
Property, Buildings and Equipment [Member]
Property, Plant and Equipment [Line Items]
Impairment charge			24
Right-Of-Use Assets [Member]
Property, Plant and Equipment [Line Items]
Impairment charge			20
Change in Accounting Method Accounted for as Change in Estimate [Member]
Property, Plant and Equipment [Line Items]
Depreciation		$ 7	$ 15