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Inventories and Contracts in Progress (Tables)
 12 Months Ended
Dec. 31, 2013
Notes to Consolidated Financial Statements [Abstract]  
Inventory Table [Text Block]
(dollars in millions)
2013
 
2012
Raw materials
$
1,983

 
$
1,861

Work-in-process
4,600

 
4,151

Finished goods
3,360

 
3,205

Contracts in progress
7,929

 
7,354

 
17,872

 
16,571

Less:
 
 
 
Progress payments, secured by lien, on U.S. Government contracts
(279
)
 
(274
)
Billings on contracts in progress
(7,263
)
 
(6,760
)
 
$
10,330

 
$
9,537