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Goodwill and Other Purchased Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2011

GOODWILL AND OTHER PURCHASED INTANGIBLE ASSETS [Abstract]


$ in millions	Aerospace Systems			Electronic Systems				Information Systems			Technical Services			Total
Balance as of December 31, 2009 and 2010		$	3,801		$	2,402			$	5,248		$	925		$	12,376
Goodwill related to businesses sold						(2	)									(2	)
Balance as of December 31, 2011		$	3,801		$	2,400			$	5,248		$	925		$	12,374

Purchased intangible assets


	December 31, 2011										December 31, 2010
	Gross							Net			Gross							Net
	Carrying			Accumulated				Carrying			Carrying			Accumulated				Carrying
$ in millions	Amount			Amortization				Amount			Amount			Amortization				Amount
Contract and program intangibles		$	1,705		$	(1,567	)		$	138		$	1,705		$	(1,531	)		$	174
Other purchased intangibles			100			(83	)			17			100			(82	)			18
Total		$	1,805		$	(1,650	)		$	155		$	1,805		$	(1,613	)		$	192

- Definition

Tabular disclosure of amortizable intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References+ Details

- Definition

Tabular disclosure of goodwill by reportable segment and in total. Disclosure details may include, but are not limited to, the carrying amount of goodwill, goodwill acquired during the year, goodwill impairment losses recognized, goodwill written-off due to the sale of a business unit, goodwill not yet allocated, and any other changes to goodwill.

+ References+ Details