Goodwill and Intangible Assets, Net - Schedule of Changes in the Carrying Amount of Goodwill and Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2016	Mar. 31, 2016
Goodwill [Roll Forward]
Beginning balance	$ 9,786
Goodwill acquired	1,501
Acquisition accounting, transfers and other adjustments	2
Foreign currency translation adjustments, net	(162)
Ending balance	11,127
Accumulated goodwill impairment losses	36	$ 36
Distribution Solutions
Goodwill [Roll Forward]
Beginning balance	7,987
Goodwill acquired	1,501
Acquisition accounting, transfers and other adjustments	2
Foreign currency translation adjustments, net	(160)
Ending balance	9,330
Technology Solutions
Goodwill [Roll Forward]
Beginning balance	1,799
Goodwill acquired	0
Acquisition accounting, transfers and other adjustments	0
Foreign currency translation adjustments, net	(2)
Ending balance	$ 1,797