Inventories (Tables)

3 Months Ended

Jun. 30, 2014

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories" consist of the following (in millions).

	June 30, 2014		March 31, 2014
Finished goods	$	325	$	259
Work in process	480		419
Raw materials	372		382
Supplies	118		113
Inventories	$	1,295	$	1,173