Trade Accounts Receivable

12 Months Ended

Mar. 31, 2012

Trade Accounts Receivable [Abstract]

Trade Accounts Receivable

Note 6 — Trade Accounts Receivable

Trade accounts receivable, net represents amounts due from the Company’s customers and is presented net of allowance for doubtful accounts. These balances include revenue recognized in advance of customer billings but do not include unbilled contractual commitments executed under license agreements. The components of “Trade accounts receivable, net” were as follows:

	AT MARCH 31,
(in millions)	2012			2011
Accounts receivable — billed	$	812		$	758
Accounts receivable — unbilled		80			86
Other receivables		26			27
Less: Allowance for doubtful accounts		(16	)		(22	)
Trade accounts receivable, net	$	902		$	849