Income Taxes (Details 5) (USD $) In Millions, unless otherwise specified	Dec. 28, 2013	Dec. 29, 2012
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items]
Minimum decrease in unrecognized tax benefit exclusive of interest	$ 0
Maximum decrease in unrecognized tax benefit exclusive of interest	213
Continued operations
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items]
Unrecognized Tax Benefits	204	204
Discontinued operations
Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items]
Unrecognized Tax Benefits	$ 80

The estimated lower bound of the reasonably possible change in the total amount of the unrecognized tax benefit (that will significantly increase or decrease within twelve months of the balance sheet date) for a tax position taken.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

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- Definition

The estimated upper bound of the reasonably possible change in the total amount of the unrecognized tax benefit (that will significantly increase or decrease within twelve months of the balance sheet date) for a tax position taken.

+ References

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- Definition

The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

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