CONSOLIDATED FINANCIAL STATEMENTS Changes to Income Statement (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cost of sales	$ 11,552	$ 10,194
Research and development expenses	386	419
Selling, general and administrative expenses	751	759
Integration and separation costs		109
Sundry income (expense) - net	83	(444)
Interest income	$ 28	0
Scenario, Previously Reported [Member]
Cost of sales		10,197
Research and development expenses		416
Selling, general and administrative expenses		867
Integration and separation costs		0
Sundry income (expense) - net		(470)
Interest income		25
Scenario, Adjustment [Member]
Cost of sales		0
Research and development expenses		0
Selling, general and administrative expenses		(109)
Integration and separation costs		109
Sundry income (expense) - net		25
Interest income		(25)
Adjustments for New Accounting Pronouncement [Member]
Cost of sales		(3)
Research and development expenses		3
Selling, general and administrative expenses		1
Integration and separation costs		0
Sundry income (expense) - net		1
Interest income		$ 0