Business Dispositions (Tables)

12 Months Ended

Dec. 31, 2012

Discontinued Operations and Disposal Groups [Abstract]

Discontinued Operations, Income Statement Disclosures

Earnings for the former shipbuilding business and an adjustment to the gain from a previous divestiture, are reported as discontinued operations, as presented in the following table:



	Year Ended December 31
$ in millions	2011			2010
Sales		$1,646			$6,711
Earnings from discontinued operations	59			229
Income tax expense	(28		)	(95		)
Earnings, net of tax	31			134
Gain on divestiture, net of income tax expense of $1 in 2011 and a benefit of $5 in 2010	1			15
Earnings from discontinued operations, net of tax		$ 32			$ 149

- Definition

Tabular disclosure of disposal groups, which may include the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the classification and carrying value of the assets and liabilities comprising the disposal group, and the segment in which the disposal group was reported. Also may include the amount of adjustments to amounts previously reported in discontinued operations such as resolution of contingencies arising from the disposal transaction or the operations of the component prior to disposal.

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