REPOSITIONING AND OTHER CHARGES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Component Of Operating Other Cost And Expense [Line Items]
Total net repositioning charge	$ 520	$ 491	$ 260
Asbestos related litigation charges, net of insurance	163	159	217
Probable and reasonably estimable environmental liabilities	345	287	195
Other	63	36	18
Total net repositioning and other charges	1,091	973	690
Severance Costs [Member]
Component Of Operating Other Cost And Expense [Line Items]
Total net repositioning charge	289	305	283
Asset Impairments [Member]
Component Of Operating Other Cost And Expense [Line Items]
Total net repositioning charge	162	142	43
Exit Costs [Member]
Component Of Operating Other Cost And Expense [Line Items]
Total net repositioning charge	79	60	43
Reserve Adjustments [Member]
Component Of Operating Other Cost And Expense [Line Items]
Total net repositioning charge	$ (10)	$ (16)	$ (109)