REVENUE FROM CONTRACTS WITH CUSTOMERS - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Revenue from External Customer [Line Items]
Allowance for credit loss	$ 17	$ 16
Liability, current	21	22
Deferred income	68	55
Customer incentive payments	36	43
Customer incentive payments	$ 137	166
Minimum
Revenue from External Customer [Line Items]
Revenue, remaining performance obligation, expected timing of satisfaction (in years)	3 years
Maximum
Revenue from External Customer [Line Items]
Revenue, remaining performance obligation, expected timing of satisfaction (in years)	7 years
Accounts payable and accrued expenses
Revenue from External Customer [Line Items]
Liability, current	$ 21	22
Other non-current liabilities
Revenue from External Customer [Line Items]
Deferred income	1	6
Prepayments and other current assets
Revenue from External Customer [Line Items]
Customer incentive payments	36	43
Other non-current assets
Revenue from External Customer [Line Items]
Customer incentive payments	$ 137	$ 166