Condensed Consolidated Statements of Changes in Equity (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 30, 2013	Mar. 31, 2012
Changes in market value of derivative financial instruments, tax	$ 0	$ 1

Tax effect, net of reclassifications adjustments, of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges, which is attributable to the parent entity. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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+ Details