Fair Value Measurements (Details) (USD $) In Millions	Jul. 01, 2011	Dec. 31, 2010
Level 1 [Member]
Assets
Cash equivalents	$ 191	$ 347
Derivatives (foreign currency forward contracts)	0	0
Total Assets	191	347
Level 1 [Member]
Liabilities
Derivatives (foreign currency forward contracts)	0	0
Level 2 [Member]
Assets
Cash equivalents	0	0
Derivatives (foreign currency forward contracts)	16	22
Total Assets	16	22
Level 2 [Member]
Liabilities
Derivatives (foreign currency forward contracts)	2	5
Level 3 [Member]
Assets
Cash equivalents	0	0
Derivatives (foreign currency forward contracts)	0	0
Total Assets	0	0
Level 3 [Member]
Liabilities
Derivatives (foreign currency forward contracts)	$ 0	$ 0

Fair Value, Assets Measured On Recurring Basis, Total Assets.

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- Definition

This element represents a certain statement of financial position asset caption which represents a class of assets, or which may include an individual asset, measured at fair value on a recurring basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
-Subparagraph a

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+ References

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-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
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+ References

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-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 32
-Subparagraph a

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