Inventories

3 Months Ended

Mar. 31, 2016

Inventories

Inventories

7.Inventories

	March 31,			December 31,
($ in millions)	2016			2015
Raw materials and supplies	$	402		$	438
Work-in-process and finished goods	599			504
Less inventory reserves	(45		)	(44		)
	$	956		$	898