GOODWILL AND INTANGIBLE ASSETS - Changes in Goodwill (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2015	Mar. 31, 2015
Goodwill
Balance of goodwill at beginning of period	$ 23,150	$ 23,592
Foreign exchange translation and other	(123)	(312)
Impairment of goodwill		(16)
Divestitures, purchase accounting adjustments and other	(15)	(114)
Balance of goodwill at end of period	$ 23,012	$ 23,150