Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

($ in millions)		Useful Lives (years)	2014		2013
	Land and land improvements	5-30	$	489	$	473
	Buildings	20-40	1,563		1,593
	Machinery and equipment	5-25	4,284		4,513
	Other	3-20	751		743
	Construction in progress		383		359
	Total(1)		$	7,470	$	7,681
	Less: accumulated depreciation		$	4,378	$	4,805
	Net		$	3,092	$	2,876

(1) Interest capitalized in 2014, 2013 and 2012 was $16 million, $10 million and $8 million, respectively.