ALLIANCES (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Alliance Statement [Line Items]
Revenues	$ 6,273	$ 5,704	$ 12,193	$ 10,897
Cost of Goods and Services Sold	1,992	1,625	3,836	3,209
Other Nonoperating Income (Expense)	101	(4)	(159)	(404)
Receivables	5,667		5,667		$ 5,965
Accounts payable	2,005		2,005		1,892
Collaborative Arrangement [Member]
Alliance Statement [Line Items]
Revenues	2,716	2,332	5,223	4,404
Cost of Goods and Services Sold	1,080	891	2,099	1,690
Selling, General and Administrative Expense - Collaborative Arrangement	(32)	(28)	(60)	(50)
Research and Development Expense - Collaborative Arrangement	7	1,057	21	1,062
Other Nonoperating Income (Expense)	(16)	(16)	(30)	(30)
Receivables	351		351		395
Accounts payable	1,068		1,068		904
Deferred income from alliances	469		469		$ 491
Sales Revenue, Net [Member]
Alliance Statement [Line Items]
Revenues	6,031	5,461	11,744	10,433
Sales Revenue, Net [Member] | Collaborative Arrangement [Member]
Alliance Statement [Line Items]
Revenues	2,570	2,178	4,948	4,098
Collaborative Arrangement [Member] | Collaborative Arrangement [Member]
Alliance Statement [Line Items]
Revenues	$ 146	$ 154	$ 275	$ 306