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
Mar. 31, 2018
Apr. 01, 2017
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Beginning balance [1] $ 596  
Unrealized gains arising during the period 1 $ 3
Reclassification adjustment for (gains) losses realized and included in net income (loss) (4) (1)
Tax effect 0 (1)
Total other comprehensive income [2] (3) 1
Ending balance [1] 715  
Unrealized gains (losses) on available-for-sale securities    
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Beginning balance 0 (1)
Unrealized gains arising during the period 0 0
Reclassification adjustment for (gains) losses realized and included in net income (loss) 0 0
Tax effect 0 0
Total other comprehensive income 0 0
Ending balance 0 (1)
Unrealized gains (losses) on cash flow hedges    
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Beginning balance 6 (4)
Unrealized gains arising during the period 1 3
Reclassification adjustment for (gains) losses realized and included in net income (loss) (4) (1)
Tax effect 0 (1)
Total other comprehensive income (3) 1
Ending balance 3 (3)
Total    
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Beginning balance 6 (5)
Ending balance $ 3 $ (4)
[1] Prior year amounts adjusted to reflect the retrospective application of ASU 2014-09, Revenue from Contracts with Customers. Refer to Note 1.
[2] Prior year amounts adjusted to reflect the retrospective application of ASU 2014-09, Revenue from Contracts with Customers. Refer to Note 1.