INTANGIBLE ASSETS AND GOODWILL - Carrying Amount of Goodwill (Details) $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 9,048
Foreign currency translation	127
Ending balance	9,175
U.S. & Canada
Goodwill [Roll Forward]
Beginning balance	5,338
Foreign currency translation	9
Ending balance	5,347
Asia Pacific
Goodwill [Roll Forward]
Beginning balance	1,864
Foreign currency translation	71
Ending balance	1,935
EMEA
Goodwill [Roll Forward]
Beginning balance	1,522
Foreign currency translation	57
Ending balance	1,579
CALA
Goodwill [Roll Forward]
Beginning balance	324
Foreign currency translation	(10)
Ending balance	$ 314