PROPERTY AND EQUIPMENT, NET - Property and Equipment Balances (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 5,884	$ 6,357
Accumulated depreciation	(2,854)	(3,136)
Property and equipment, net	3,030	3,221
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	16	17
Buildings and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,002	1,143
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,320	1,246
Computer software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 3,546	$ 3,951