REPOSITIONING AND OTHER CHARGES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Component of Operating Other Cost and Expense [Abstract]
Total net repositioning charge	$ 518	$ 433	$ 520
Asbestos related litigation charges, net of insurance and reimbursements	50	42	163
Probable and reasonably estimable environmental liabilities, net of reimbursements	27	59	345
Other	(20)	12	63
Total net repositioning and other charges	575	546	1,091
Severance [Member]
Component of Operating Other Cost and Expense [Abstract]
Total net repositioning charge	475	260	289
Asset Impairments [Member]
Component of Operating Other Cost and Expense [Abstract]
Total net repositioning charge	21	95	162
Exit costs [Member]
Component of Operating Other Cost and Expense [Abstract]
Total net repositioning charge	69	83	79
Reserve Adjustments [Member]
Component of Operating Other Cost and Expense [Abstract]
Total net repositioning charge	$ (47)	$ (5)	(10)
Other			$ 63