REPOSITIONING AND OTHER CHARGES 5 (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Restructuring Reserve Disclosures [Abstract]
Balance at beginning of period,	$ 651,000,000	$ 566,000,000	$ 513,000,000
Repositioning Charges	565,000,000	438,000,000	530,000,000
Usage - cash	(564,000,000)	(249,000,000)	(285,000,000)
Usage - noncash	(21,000,000)	(100,000,000)	(163,000,000)
Divestitures	0	0	(14,000,000)
Adjustments	(47,000,000)	(5,000,000)	(10,000,000)
Foreign currency translation	17,000,000	1,000,000	(5,000,000)
Balance at end of period,	601,000,000	651,000,000	566,000,000
Other	(20,000,000)	12,000,000	63,000,000
Severance [Member]
Restructuring Reserve Disclosures [Abstract]
Balance at beginning of period,	555,000,000	489,000,000	442,000,000
Repositioning Charges	475,000,000	260,000,000	289,000,000
Usage - cash	(474,000,000)	(186,000,000)	(218,000,000)
Usage - noncash	0	0	0
Divestitures	0	0	(11,000,000)
Adjustments	(44,000,000)	(8,000,000)	(8,000,000)
Foreign currency translation	15,000,000	0	(5,000,000)
Balance at end of period,	527,000,000	555,000,000	489,000,000
Asset Impairments [Member]
Restructuring Reserve Disclosures [Abstract]
Balance at beginning of period,	0	0	0
Repositioning Charges	21,000,000	95,000,000	162,000,000
Usage - cash	0	0	0
Usage - noncash	(21,000,000)	(100,000,000)	(163,000,000)
Divestitures	0	0	0
Adjustments	0	5,000,000	1,000,000
Foreign currency translation	0	0	0
Balance at end of period,	0	0	0
Exit costs [Member]
Restructuring Reserve Disclosures [Abstract]
Balance at beginning of period,	96,000,000	77,000,000	71,000,000
Repositioning Charges	69,000,000	83,000,000	79,000,000
Usage - cash	(90,000,000)	(63,000,000)	(67,000,000)
Usage - noncash	0	0	0
Divestitures	0	0	(3,000,000)
Adjustments	(3,000,000)	(2,000,000)	(3,000,000)
Foreign currency translation	2,000,000	1,000,000	0
Balance at end of period,	$ 74,000,000	$ 96,000,000	77,000,000
Reserve Adjustments [Member]
Restructuring Reserve Disclosures [Abstract]
Other			$ 63,000,000