Goodwill And Intangible Assets, Net (Changes In The Carrying Amount Of Goodwill) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Sep. 30, 2013
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 6,405
Goodwill Acquired	48
Amount reclassified to assets held-for-sale	127
Foreign currency translation adjustments and other	(3)
Goodwill, Ending Balance	6,323
Distribution Solutions [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	4,413
Goodwill Acquired	48
Amount reclassified to assets held-for-sale	0
Foreign currency translation adjustments and other	5
Goodwill, Ending Balance	4,466
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	(8)
Goodwill, Ending Balance	$ 1,857