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Business Dispositions (Tables) (Unaudited)
9 Months Ended
Sep. 30, 2011
BUSINESS DISPOSITIONS [Abstract] 
Discontinued operations income statement and balance sheet disclosures
      $00,000       $00,000     $00,000     $00,000       $00,000  
    Three Months Ended         Nine Months Ended  
    September 30         September 30  
$ in millions   2011     2010          2011     2010  

Sales and service revenues

    $   —       $1,666           $1,646       $4,980  

Earnings from discontinued operations

            75           59       121  

Income tax expense

            (34         (26     (57

Earnings, net of tax

            41           33       64  

Gain (loss) on divestiture

            (1         2       10  

Income tax benefit (expense)

            9           (1     5  

Gain on divestitures, net of tax

            8           1       15  

Earnings from discontinued operations, net of tax

    $   —       $49           $34       $79  
      $0,000  
$ in millions   December 31,
2010
 

Assets

       

Current assets

    $1,315  

Property, plant, and equipment, net

    1,997  

Goodwill

    1,141  

Other assets

    759  

Total assets of discontinued operations

    $5,212  

Liabilities

       

Trade accounts payable

    $   274  

Other current liabilities

    955  

Current liabilities

    1,229  

Long-term liabilities

    1,563  

Total liabilities of discontinued operations

    $2,792