Income Taxes (Reserves Rollforward) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 28, 2013	Dec. 29, 2012
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance, beginning of year	$ 2,425	$ 2,167
Additions for tax positions related to the current year	238	275
Additions for tax positions from prior years	273	161
Reductions for tax positions from prior years	(327)	(172)
Settlement payments	(1,306)	(17)
Statutes of limitations expiration	(30)	(3)
Translation and other	(5)	14
Balance, end of period	$ 1,268	$ 2,425

The gross amount of increases or decreases in unrecognized tax benefits resulting from translation and other activity.

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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-Publisher FASB

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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