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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 13, 2015	Jun. 14, 2014	Jun. 13, 2015	Jun. 14, 2014
Effective Income Tax Rate - Federal Statutory Income Tax Rate, Percent	35.00%		35.00%
Income Tax And Effective Tax Rate [Abstract]
Income taxes provision	$ 102	$ 112	$ 213	$ 251
Effective tax rate	30.40%	24.90%	26.30%	25.40%
Disposal Group, Including Discontinued Operation, Foreign Currency Translation Gains (Losses)	$ 68
Mexico [Domain]
Income Tax And Effective Tax Rate [Abstract]
Disposal Group, Including Discontinued Operation, Foreign Currency Translation Gains (Losses)	$ 68

X

- Definition

Amount of foreign currency translation gain (loss) in the disposal group, including discontinued operation, recognized in the statement of income as a result of the sale or complete or substantially complete liquidation of an investment in a foreign entity.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 830



-SubTopic 30



-Section 45



-Paragraph 20



-Subparagraph (d)



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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 740



-SubTopic 10



-Section 50



-Paragraph 13



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-Name Accounting Standards Codification



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-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.4-08.(h)(2))



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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 740



-SubTopic 10



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-Subparagraph (a),(b)



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-Publisher FASB



-Name Accounting Standards Codification



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US Federal Statutory Rate

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