ALLIANCES (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Alliance Statement [Line Items]
Revenues	$ 5,920	$ 5,193
Cost of Goods and Services Sold	1,844	1,584
Other Nonoperating Income (Expense)	(260)	(400)
Receivables	5,704		$ 5,965
Accounts payable	1,976		1,892
Collaborative Arrangement [Member]
Alliance Statement [Line Items]
Revenues	2,507	2,072
Cost of Goods and Services Sold	1,019	799
Selling, General and Administrative Expense - Collaborative Arrangement	(28)	(22)
Research and Development Expense - Collaborative Arrangement	14	5
Other Nonoperating Income (Expense)	(14)	(14)
Receivables	334		395
Accounts payable	1,004		904
Deferred income from alliances	487		$ 491
Sales Revenue, Net [Member]
Alliance Statement [Line Items]
Revenues	5,713	4,972
Sales Revenue, Net [Member] | Collaborative Arrangement [Member]
Alliance Statement [Line Items]
Revenues	2,378	1,920
Collaborative Arrangement [Member] | Collaborative Arrangement [Member]
Alliance Statement [Line Items]
Revenues	$ 129	$ 152