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Debt - Summary of Debt Obligations (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 29, 2020
Dec. 29, 2019
Aug. 21, 2018
Jun. 29, 2014
Debt Instrument [Line Items]        
Less: current portion $ (499,000,000) $ 0    
Long-term debt 652,000,000 1,141,000,000    
Convertible Senior Notes        
Debt Instrument [Line Items]        
Unamortized discount of liability component of convertible senior notes (116,000,000) (126,000,000)    
Net carrying amount of liability component of convertible senior notes 1,151,000,000 1,141,000,000    
Carrying value of equity component, net of debt issuance cost $ 213,000,000 $ 213,000,000    
Weighted-average remaining amortization period of discount on the liability component of convertible senior notes 3 years 3 years 2 months 12 days    
Level 2 | Convertible Senior Notes        
Debt Instrument [Line Items]        
Fair value of convertible senior notes outstanding (Level 2) $ 1,361,000,000 $ 1,549,000,000    
2023 | Convertible Senior Notes        
Debt Instrument [Line Items]        
Principal amount of notes outstanding 750,000,000 750,000,000 $ 750,000,000  
2021 | Convertible Senior Notes        
Debt Instrument [Line Items]        
Principal amount of notes outstanding $ 517,000,000 $ 517,000,000   $ 517,000,000