Goodwill And Intangible Assets, Net (Changes In The Carrying Amount Of Goodwill) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Dec. 31, 2013
Goodwill [Line Items]
Goodwill, beginning balance	$ 6,405
Goodwill acquired	45
Amount reclassified to assets held-for-sale	(127)
Foreign currency translation adjustments and other	(23)
Goodwill, Ending Balance	6,300
Distribution Solutions [Member]
Goodwill [Line Items]
Goodwill, beginning balance	4,413
Goodwill acquired	45
Amount reclassified to assets held-for-sale	0
Foreign currency translation adjustments and other	(13)
Goodwill, Ending Balance	4,445
Technology Solutions [Member]
Goodwill [Line Items]
Goodwill, beginning balance	1,992
Goodwill acquired	0
Amount reclassified to assets held-for-sale	(127)
Foreign currency translation adjustments and other	(10)
Goodwill, Ending Balance	$ 1,855