Property, Plant and Equipment

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

($ in millions)		Useful Lives (years)	2015		2014
	Land and land improvements	5-30	$	495	$	489
	Buildings	20-40	1,557		1,563
	Machinery and equipment	5-25	4,233		4,284
	Other	3-20	813		751
	Construction in progress		353		383
	Total(1)		$	7,451	$	7,470
	Less: accumulated depreciation		$	4,434	4,378
	Net		$	3,017	$	3,092

(1) Interest capitalized in 2015, 2014 and 2013 was $9 million, $16 million and $10 million, respectively.