Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2011

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]

Property, Plant and Equipment, Estimated Useful Lives

	Years
Land improvements		2-40
Buildings and improvements		2-45
Machinery and other equipment		2-20
Capitalized software costs		3-5
Leasehold improvements		Length of Lease

Accumulated Other Comprehensive Loss

	December 31
$ in millions	2011				2010
Cumulative translation adjustment		$	(4	)		$	—
Net unrealized gain on marketable securities and cash flow hedges, net of tax expense of $0 as of December 31, 2011, and $3 as of December 31, 2010			1				5
Unamortized benefit plan costs, net of tax benefit of $2,289 as of December 31, 2011, and $1,801 as of December 31, 2010			(3,487	)			(2,762	)
Total accumulated other comprehensive loss		$	(3,490	)		$	(2,757	)