SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Common stock contributed to savings plans	$ 211,000,000	$ 159,000,000	$ 52,000,000
Marketable securities contributed to non-U.S. pension plans	93,000,000	0	99,000,000
Payments for repositioning and other charges [Abstract]
Severance and exit cost payments	(564,000,000)	(249,000,000)	(285,000,000)
Environmental payments	(216,000,000)	(256,000,000)	(218,000,000)
Reimbursement receipts	176,000,000	292,000,000	67,000,000
Insurance receipts for asbestos related liabilities	58,000,000	68,000,000	38,000,000
Asbestos related liability payments	(287,000,000)	(231,000,000)	(254,000,000)
Net payments for repositioning and other charges	(833,000,000)	(376,000,000)	(652,000,000)
Interest paid, net of amounts capitalized	329,000,000	344,000,000	353,000,000
Income taxes paid, net of refunds	$ 1,173,000,000	$ 1,564,000,000	$ 1,566,000,000