Accounts Receivable (Tables)

12 Months Ended

Mar. 31, 2017

Receivables [Abstract]

Schedule of accounts receivable

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

	March 31,
	2017			2016
Trade accounts receivable	$	971		$	884
Other accounts receivable	102			75
Accounts receivable — third parties	1,073			959
Allowance for doubtful accounts — third parties	(6		)	(3		)
Accounts receivable, net — third parties	$	1,067		$	956
Accounts receivable, net — related parties	$	60		$	59

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, 2017	$	3	$	3	$	—	$	—		$	6
Year Ended March 31, 2016	$	3	$	—	$	—	$	—		$	3
Year Ended March 31, 2015	$	4	$	—	$	—	$	(1	)	$	3

Summary disclosures of financial amounts

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

	Year Ended March 31,
	2017		2016		2015
Aggregated receivables factored	$	5,149	$	3,314	$	1,796
Factoring expense	$	16	$	19	$	10

	March 31,
	2017		2016
Factored receivables outstanding	$	679	$	626