Property, Plant And Equipment (Tables)

9 Months Ended

Sep. 30, 2016

Property, Plant And Equipment [Abstract]

Property, Plant And Equipment, Net

($ in millions)	September 30, 2016		December 31, 2015
Property, plant and equipment	$	25,186	$	17,801
Less:  Accumulated depreciation		(10,287)		(9,308)
Property, plant and equipment, net	$	14,899	$	8,493

Schedule Of Depreciation Expense

	For the three months ended September 30,				For the nine months ended September 30,
($ in millions)	2016		2015		2016		2015
Depreciation expense	$	323	$	245	$	1,009	$	741