Condensed Consolidated Statements of Comprehensive Income (Parentheticals) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 24, 2012	Mar. 19, 2011
Statement of Stockholders' Equity [Abstract]
Foreign currency translation adjustment (tax impact)	$ (2)	$ (6)
Reclassification of pension and post-retirement losses to net income (tax impact)	(6)	(2)
Net unrealized loss on derivative instruments (tax impact)	$ 1	$ 1

Tax effects of the increase (decrease) to accumulated comprehensive income during the period related to benefit plans. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

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Tax effect of the adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

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- Definition

Tax effect on the change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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