Goodwill And Intangible Assets, Net (Changes In The Carrying Amount Of Goodwill) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jun. 30, 2013
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 6,405
Goodwill Acquired	22
Amount reclassified to assets held-for-sale	141
Foreign currency translation adjustments and other	(24)
Goodwill, Ending Balance	6,262
Distribution Solutions [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	4,413
Goodwill Acquired	22
Amount reclassified to assets held-for-sale	14
Foreign currency translation adjustments and other	(9)
Goodwill, Ending Balance	4,412
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	(15)
Goodwill, Ending Balance	$ 1,850