Deferred Revenue (Tables)

12 Months Ended

Mar. 31, 2013

Deferred Revenue Disclosure [Abstract]

Components of deferred revenue (billed or collected)

The current and noncurrent components of “Deferred revenue (billed or collected)” at March 31, 2013 and March 31, 2012 were as follows:

	At March 31,
(in millions)	2013		2012
Current:
Subscription and maintenance	$	2,307	$	2,479
Professional services	154		162
Software fees and other	21		17
Total deferred revenue (billed or collected) – current	$	2,482	$	2,658
Noncurrent:
Subscription and maintenance	$	940	$	935
Professional services	33		35
Software fees and other	2		2
Total deferred revenue (billed or collected) – noncurrent	$	975	$	972
Total deferred revenue (billed or collected)	$	3,457	$	3,630