Other Financial Data (Other Current Assets) (Details) (USD $) In Millions, unless otherwise specified	Sep. 28, 2013	Dec. 31, 2012
Other Current Assets [Abstract]
Costs and earnings in excess of billings	$ 413	$ 416
Contract-related deferred costs	111	141
Tax-related deposits and refunds receivable	98	95
Other	138	148
Other current assets	$ 760	$ 800

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This element represents other current assets other than specified in taxonomy.

+ References

No definition available.

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- Definition

The amount of deferred costs by type of cost for long-term contracts and programs as of the balance sheet date. Examples include initial tooling and deferred production costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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- Definition

Amount included in cost of uncompleted contracts in excess of related billings, or unbilled accounts receivable, which is expected to be collected within a year within one year (or one operating cycle, if longer) from the date of the balance sheet.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Research Bulletin (ARB)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Aggregate carrying amount, as of the balance sheet date, of current assets not separately disclosed in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

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- Definition

Carrying amount as of the balance sheet date of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities.

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