REPOSITIONING AND OTHER CHARGES 5 (Details)	3 Months Ended
	Mar. 31, 2021 USD ($)
Restructuring Reserve [Line Items]
Balance at beginning of period,	$ 601,000,000
Charges	119,000,000
Usage - cash	(105,000,000)
Usage - noncash	(42,000,000)
Foreign currency translation	(5,000,000)
Adjustments	1,000,000
Balance at end of period,	569,000,000
Severance
Restructuring Reserve [Line Items]
Balance at beginning of period,	527,000,000
Charges	28,000,000
Usage - cash	(84,000,000)
Usage - noncash	0
Foreign currency translation	(3,000,000)
Adjustments	1,000,000
Balance at end of period,	469,000,000
Asset impairments
Restructuring Reserve [Line Items]
Balance at beginning of period,	0
Charges	42,000,000
Usage - cash	0
Usage - noncash	(42,000,000)
Foreign currency translation	0
Adjustments	0
Balance at end of period,	0
Exit costs
Restructuring Reserve [Line Items]
Balance at beginning of period,	74,000,000
Charges	49,000,000
Usage - cash	(21,000,000)
Usage - noncash	0
Foreign currency translation	(2,000,000)
Adjustments	0
Balance at end of period,	$ 100,000,000