Basis of Presentation (Unaudited) (Table)

6 Months Ended

Jun. 30, 2012

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Accumulated Other Comprehensive Loss

The components of accumulated other comprehensive loss are as follows:

$ in millions	June 30, 2012			December 31, 2011
Unamortized benefit plan costs, net of tax benefit of $2,217 as of June 30, 2012, and $2,289 as of December 31, 2011		($3,383	)		($3,487	)
Cumulative translation adjustment	(13		)	(4		)
Net unrealized gain on marketable securities and cash flow hedges, net of tax expense	1			1
Total accumulated other comprehensive loss		($3,395	)		($3,490	)