Accounts Receivable (Tables)

12 Months Ended

Mar. 31, 2015

Receivables [Abstract]

Schedule of accounts receivable

“Accounts receivable, net” consists of the following (in millions).

	March 31,
	2015			2014
Trade accounts receivable	$	1,158		$	1,303
Other accounts receivable	134			83
Accounts receivable — third parties	1,292			1,386
Allowance for doubtful accounts — third parties	(3		)	(4		)
Accounts receivable, net — third parties	$	1,289		$	1,382
Accounts receivable, net — related parties	$	53		$	54

Activity in the allowance for doubtful accounts

Activity in the allowance for doubtful accounts is as follows (in millions).

	Balance at Beginning of Period		Additions Charged to Expense		Accounts Recovered/ (Written- Off)			Foreign Exchange and Other			Balance at End of  Period
Year Ended March 31, 2015	$	4	$	—	$	—		$	(1	)	$	3
Year Ended March 31, 2014	$	3	$	2	$	(1	)	$	—		$	4
Year Ended March 31, 2013	$	5	$	2	$	(4	)	$	—		$	3

Summary disclosures of financial amounts

The following tables summarize amounts relating to our factoring activities (in millions).

	Year Ended March 31,
	2015		2014		2013
Aggregated receivables factored	$	1,796	$	1,081	$	464
Factoring expense	$	10	$	5	$	2

	March 31,
	2015		2014
Factored receivables outstanding	$	591	$	245