Property, Plant And Equipment (Tables)

6 Months Ended

Jun. 30, 2014

Property, Plant And Equipment [Abstract]

Property, Plant And Equipment, Net

($ in thousands)	June 30, 2014		December 31, 2013
Property, plant and equipment	$	15,139,272	$	14,850,697
Less:  Accumulated depreciation		(7,976,623)		(7,594,935)
Property, plant and equipment, net	$	7,162,649	$	7,255,762