Inventories (Tables)

12 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Schedule of Inventories

“Inventories” consists of the following (in millions).

	March 31,
	2015		2014
Finished goods	$	358	$	259
Work in process	531		419
Raw materials	419		382
Supplies	123		113
Inventories	$	1,431	$	1,173