Trade Accounts Receivable (Tables)

12 Months Ended

Mar. 31, 2015

Receivables [Abstract]

Components of trade accounts receivable, net

The components of “Trade accounts receivable, net” were as follows:

	At March 31,
(in millions)	2015			2014
Accounts receivable – billed	$	591		$	739
Accounts receivable – unbilled	63			61
Other receivables	15			19
Less: Allowances	(17		)	(19		)
Trade accounts receivable, net	$	652		$	800