COMMITMENTS AND CONTINGENCIES 2 (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Loss Contingency Accrual [Roll Forward]
Asbestos Related Liabilities, Beginning of Period	$ 2,357,000,000	$ 2,514,000,000	$ 2,610,000,000
Accrual for update to estimated liability	98,000,000	100,000,000	229,000,000
Change in estimated cost of future claims	42,000,000	(22,000,000)	(72,000,000)
Update of expected resolution values for pending claims	10,000,000	(4,000,000)	1,000,000
Asbestos related liability payments	(287,000,000)	(231,000,000)	(254,000,000)
Asbestos Related Liabilities, End of Period	2,220,000,000	2,357,000,000	2,514,000,000
Asbestos Related Liabilities Insurance Recoveries [Roll Forward]
Insurance Recoveries, beginning of period	434,000,000	477,000,000	503,000,000
Probable insurance recoveries related to estimated liability	10,000,000	3,000,000	11,000,000
Insurance receipts for asbestos related liabilities	(58,000,000)	(68,000,000)	(38,000,000)
Insurance receivables settlements and write offs	16,000,000	22,000,000	1,000,000
Insurance recoveries, end of period	402,000,000	434,000,000	477,000,000
Bendix Asbestos Loss Contingency Liability [Member]
Loss Contingency Accrual [Roll Forward]
Asbestos Related Liabilities, Beginning of Period	1,499,000,000	1,623,000,000	1,703,000,000
Accrual for update to estimated liability	80,000,000	78,000,000	197,000,000
Change in estimated cost of future claims	42,000,000	(22,000,000)	(72,000,000)
Update of expected resolution values for pending claims	10,000,000	(4,000,000)	1,000,000
Asbestos related liability payments	(190,000,000)	(176,000,000)	(206,000,000)
Asbestos Related Liabilities, End of Period	1,441,000,000	1,499,000,000	1,623,000,000
Asbestos Related Liabilities Insurance Recoveries [Roll Forward]
Insurance Recoveries, beginning of period	153,000,000	170,000,000	191,000,000
Probable insurance recoveries related to estimated liability	10,000,000	3,000,000	11,000,000
Insurance receipts for asbestos related liabilities	(33,000,000)	(39,000,000)	(33,000,000)
Insurance receivables settlements and write offs	18,000,000	19,000,000	1,000,000
Insurance recoveries, end of period	148,000,000	153,000,000	170,000,000
Narco Asbestos Loss Contingency Liability [Member]
Loss Contingency Accrual [Roll Forward]
Asbestos Related Liabilities, Beginning of Period	858,000,000	891,000,000	907,000,000
Accrual for update to estimated liability	18,000,000	22,000,000	32,000,000
Change in estimated cost of future claims	0	0	0
Update of expected resolution values for pending claims	0	0	0
Asbestos related liability payments	(97,000,000)	(55,000,000)	(48,000,000)
Asbestos Related Liabilities, End of Period	779,000,000	858,000,000	891,000,000
Asbestos Related Liabilities Insurance Recoveries [Roll Forward]
Insurance Recoveries, beginning of period	281,000,000	307,000,000	312,000,000
Probable insurance recoveries related to estimated liability	0	0	0
Insurance receipts for asbestos related liabilities	(25,000,000)	(29,000,000)	(5,000,000)
Insurance receivables settlements and write offs	(2,000,000)	3,000,000	0
Insurance recoveries, end of period	$ 254,000,000	$ 281,000,000	$ 307,000,000