OTHER EXPENSE (INCOME), NET (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other Income and Expenses [Abstract]
Restructuring expense, net	$ 50	$ 203	$ 72	$ 67
Merger, acquisition and divestiture expense		96	11	6
Intangible asset accelerated amortization		38	0	0
Asset impairment and loss on divestiture		17	7	25
Net gain on insurance recovery for property damage		9	0	0
Gain on derecognition of subsidiary		0	(177)	0
Unfavorable arbitration loss		0	14	0
Asbestos-related adjustments		0	0	23
Gain on sale of building		0	0	(19)
Gain on commercial settlement		0	0	(4)
Other expense (income), net		(4)	(2)	(4)
Other operating expense (income), net		$ 341	$ (75)	$ 94