GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Schedule of Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 3,002	$ 3,102
Additions	111	32
Currency translation and other adjustments	(83)	(132)
Goodwill, ending balance	3,030	3,002
U.S. and Puerto Rico plans
Goodwill [Roll Forward]
Goodwill, beginning balance	2,386	2,476
Additions	101	15
Currency translation and other adjustments	(59)	(105)
Goodwill, ending balance	2,428	2,386
EMEA
Goodwill [Roll Forward]
Goodwill, beginning balance	393	393
Additions	10	17
Currency translation and other adjustments	(18)	(17)
Goodwill, ending balance	385	393
APAC
Goodwill [Roll Forward]
Goodwill, beginning balance	223	233
Additions	0	0
Currency translation and other adjustments	(6)	(10)
Goodwill, ending balance	$ 217	$ 223