Related Party Transactions (Tables)

9 Months Ended

Dec. 31, 2015

Brightstar [Member]

Related Party Transaction [Line Items]

Schedule of Related Party Transactions [Table Text Block]

Amounts included in our consolidated financial statements associated with these arrangements with Brightstar were as follows:

Consolidated balance sheets:	December 31, 2015		March 31, 2015
	(in millions)
Accounts receivable	$	239	$	430
Accounts payable	$	46	$	96

Consolidated statements of comprehensive loss:	Three Months Ended December 31,				Nine Months Ended December 31,
	2015		2014		2015		2014
	(in millions)
Equipment revenues	$	598	$	1,030	$	1,375	$	1,149
Cost of products	$	601	$	1,071	$	1,362	$	1,165