REVENUE RECOGNITION - Trade Allowance for Credit Losses (Details) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
		Mar. 31, 2022	Dec. 31, 2021
Roll forward of notes and accounts receivable - trade allowance for credit losses
Allowance for Credit Loss, Beginning Balance		$ 44	$ 91
Additions (releases)		6	(23)
Write-offs		(4)	(5)
Other	[1]	(2)	(19)
Allowance for Credit Loss, Ending Balance		$ 44	$ 44

[1] Primarily represents translation adjustments and reclassifications.