Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Comprehensive Income (Loss) (Parenthetical)

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Condensed Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Tax effect related to unrealized gains (losses) on cash flow hedges:    
Unrealized gains (losses) arising during period $ (1) $ 1
Reclassification adjustment for (gains) losses realized and included in net income (loss) $ 0 $ 0