OTHER (INCOME) EXPENSE (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other Income and Expenses [Line Items]
Interest Income	$ (107,000,000)	$ (255,000,000)	$ (217,000,000)
Equity income of affiliated companies	(66,000,000)	(52,000,000)	(50,000,000)
Loss (gain) on sale of non-strategic businesses and assets	3,000,000	1,000,000	0
Foreign exchange	(68,000,000)	(120,000,000)	(63,000,000)
Separation Costs	0	0	321,000,000
Reimbursement receivables charge	509,000,000	0	0
Other, net	12,000,000	14,000,000	57,000,000
Other (Income) Expense, Total	(675,000,000)	(1,065,000,000)	(1,149,000,000)
Pension Plan [Member]
Other Income and Expenses [Line Items]
Ongoing income - non-service	(901,000,000)	(606,000,000)	(1,165,000,000)
Other Postretirement Benefit Plans [Member]
Other Income and Expenses [Line Items]
Ongoing income - non-service	$ (57,000,000)	$ (47,000,000)	$ (32,000,000)