Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income (Loss) (Details)

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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jul. 01, 2017
Jun. 25, 2016
Jul. 01, 2017
Jun. 25, 2016
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Beginning balance     $ 416  
Total other comprehensive income $ 4 $ 3 5 $ 5
Ending balance 417   417  
Unrealized gains (losses) on available-for-sale securities        
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Beginning balance (1) (3) (1) (1)
Unrealized gains (losses) arising during the period 0 1 0 (2)
Reclassification adjustment for (gains) losses realized and included in net income (loss) 0 0 0 0
Tax effect 0 0 0 1
Total other comprehensive income 0 1 0 (1)
Ending balance (1) (2) (1) (2)
Unrealized gains (losses) on cash flow hedges        
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Beginning balance (3) (3) (4) (7)
Unrealized gains (losses) arising during the period 5 3 8 7
Reclassification adjustment for (gains) losses realized and included in net income (loss) 0 (1) (1) 2
Tax effect (1) 0 (2) (3)
Total other comprehensive income 4 2 5 6
Ending balance 1 (1) 1 (1)
Total        
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Beginning balance (4) (6) (5) (8)
Unrealized gains (losses) arising during the period 5 4 8 5
Reclassification adjustment for (gains) losses realized and included in net income (loss) 0 (1) (1) 2
Tax effect (1) 0 (2) (2)
Total other comprehensive income 4 3 5 5
Ending balance $ 0 $ (3) $ 0 $ (3)