Inventoried Costs, Net (Details) (USD $) In Millions	Dec. 31, 2010	Dec. 31, 2009
Inventoried Costs (Table Amounts) [Abstract]
Production costs of contracts in process	$ 1,521	$ 1,648
General and administrative expenses	190	160
Inventoried costs	1,711	1,808
Progress payments received	(962)	(1,098)
Inventoried costs, net of progress payments	749	710
Product inventory	147	164
Total inventoried costs, net	$ 896	$ 874

Carrying amount as of the balance sheet date of inventories associated with long-term contracts or programs net of progress payments received.

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- Definition

Inventoried costs.

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- Definition

The aggregated amount of merchandise or goods held by the entity and readily available for future sale plus items held by the entity which are partially complete or in the process of being readied for future sale. This amount is net of valuation reserves and adjustments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 6
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section BB

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- Definition

Carrying amount as of the balance sheet date of inventories associated with long-term contracts or programs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 6
-Subparagraph a, d
-Article 5

+ Details

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- Definition

The actual or estimated amount of general and administrative expense remaining in inventory as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 6
-Subparagraph b
-Article 5

+ Details

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- Definition

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

+ References

+ Details

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- Definition

Carrying amount, net of valuation reserves and allowances, as of the balance sheet date of inventories not otherwise specified in the taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 6
-Article 5

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- Definition

Amount of advances received from customers under long-term contracts which have been offset against inventories accounts at the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 6
-Subparagraph d(3)
-Article 5

+ Details

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