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 9 Months Ended
Sep. 29, 2018
Sep. 30, 2017
Sep. 29, 2018
Sep. 30, 2017
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Beginning balance [1]     $ 596  
Unrealized gains (losses) arising during the period $ (5) $ 6 (16) $ 14
Reclassification adjustment for (gains) losses realized and included in net income (loss) 5 (4) 0 (5)
Tax effect 0 0 0 (2)
Total other comprehensive income (loss) [2] 0 2 (16) 7
Ending balance [1] 1,125   1,125  
Unrealized gains (losses) on available-for-sale securities        
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Beginning balance 0 (1) 0 (1)
Unrealized gains (losses) arising during the period 0 0 0 0
Reclassification adjustment for (gains) losses realized and included in net income (loss) 0 0 0 0
Tax effect 0 0 0 0
Total other comprehensive income (loss) 0 0 0 0
Ending balance 0 (1) 0 (1)
Unrealized gains (losses) on cash flow hedges        
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Beginning balance (10) 1 6 (4)
Unrealized gains (losses) arising during the period (5) 6 (16) 14
Reclassification adjustment for (gains) losses realized and included in net income (loss) 5 (4) 0 (5)
Tax effect 0 0 0 (2)
Total other comprehensive income (loss) 0 2 (16) 7
Ending balance (10) 3 (10) 3
Total        
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Beginning balance (10) 0 6 (5)
Ending balance $ (10) $ 2 $ (10) $ 2
[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.