Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income (Loss) (Details) (Schedule of Accumulated Other Comprehensive Income (Loss))

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Accumulated Other Comprehensive Income (Loss) (Details) (Schedule of Accumulated Other Comprehensive Income (Loss)) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 29, 2014
Mar. 30, 2013
Unrealized gains (losses) on available-for-sale securities:    
Beginning Balance $ 1 $ 0
Unrealized losses arising during the period, net of tax effects 0 0
Reclassification adjustment for losses realized and included in net loss, net of tax effects 0 0
Total other comprehensive loss 0 0
Ending Balance 1 0
Unrealized gains (losses) on cash flow hedges:    
Beginning balance (3) (3)
Unrealized losses arising during the period, net of tax effects (3) (1)
Reclassification adjustment for losses realized and included in net loss, net of tax effects 2 0
Total other comprehensive loss (1) (1)
Ending balance (4) (4)
Total:    
Beginning balance (2) (3)
Unrealized losses arising during the period, net of tax effects (3) (1)
Reclassification adjustment for losses realized and included in net loss, net of tax effects 2 0
Total other comprehensive loss (1) (1)
Ending balance $ (3) $ (4)