Property, Plant And Equipment (Tables)

6 Months Ended

Jun. 30, 2016

Property, Plant And Equipment [Abstract]

Property, Plant And Equipment, Net

($ in millions)	June 30, 2016		December 31, 2015
Property, plant and equipment	$	26,140	$	17,801
Less:  Accumulated depreciation		(9,979)		(9,308)
Property, plant and equipment, net	$	16,161	$	8,493

Schedule Of Depreciation Expense

	For the three months ended June 30,				For the six months ended June 30,
($ in millions)	2016		2015		2016		2015
Depreciation expense	$	446	$	247	$	686	$	496