COMMITMENTS AND CONTINGENCIES 4 (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2013	Dec. 31, 2006	Dec. 31, 2002
Asbestos Related Liabilities [Member]
Commitments and Contingencies Disclosure [Abstract]
Loss Contingency Accrual	$ 2,309	$ 2,357
Loss Contingency By Nature Of Contingency [Line Items]
Loss Contingency, Receivable	425	434
Bendix Asbestos Loss Contingency Liability [Member]
Commitments and Contingencies Disclosure [Abstract]
Loss Contingency Accrual	1,465	1,499
Loss Contingency By Nature Of Contingency [Line Items]
Loss Contingency, Receivable	150	153
Narco Asbestos Loss Contingency Liability [Member]
Commitments and Contingencies Disclosure [Abstract]
Loss Contingency Accrual	844	858
Loss Contingency By Nature Of Contingency [Line Items]
Loss Contingency, Receivable	275	$ 281
Estimated liability	844				$ 3,200
Change in NARCO Trust liability.				$ (207)
Annual Trust Cap	145
Exceptions To Cap [Abstract]
Value Not Included In Cap	100
Narco Asbestos Loss Contingency Liability [Member] | Minimum [Member]
Loss Contingency By Nature Of Contingency [Line Items]
Estimated liability				743
Narco Asbestos Loss Contingency Liability [Member] | Maximum [Member]
Loss Contingency By Nature Of Contingency [Line Items]
Estimated liability				961
Pre-bankruptcy NARCO Liability [Member]
Loss Contingency By Nature Of Contingency [Line Items]
Estimated liability	148				2,200
Change in NARCO Trust liability.	(2,000)
NARCO Trust Liability [Member]
Loss Contingency By Nature Of Contingency [Line Items]
Estimated liability	696		$ 743	$ 743	950
Other NARCO bankruptcy-related obligations [Member]
Loss Contingency By Nature Of Contingency [Line Items]
Estimated liability					$ 73
Annual Contribution Claims [Member]
Loss Contingency By Nature Of Contingency [Line Items]
Settlement payments	18
Change in NARCO Trust liability.	$ (47)