Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2013

Property, Plant and Equipment

Property, Plant and Equipment

($ in millions)
At December 31:		2013		2012
Land and land improvements	$	706	$	747
Buildings and building improvements		9,680		9,610
Plant, laboratory and office equipment		28,169		27,731
Plant and other property—gross		38,555		38,088
Less: Accumulated depreciation		25,576		25,234
Plant and other property—net		12,979		12,854
Rental machines		1,920		2,414
Less: Accumulated depreciation		1,078		1,271
Rental machines—net		842		1,142
Total—net	$	13,821	$	13,996