Quarterly report pursuant to Section 13 or 15(d)

Debt and Revolving Facility (Details)

v3.20.2
Debt and Revolving Facility (Details) - USD ($)
$ in Millions
Sep. 26, 2020
Dec. 28, 2019
Sep. 30, 2016
Aug. 15, 2012
Debt Instrument [Line Items]        
Total debt (principal amount) $ 398 $ 563    
Long-term debt, net 373 486    
2.125% Convertible Senior Notes due 2026 | Convertible Debt        
Debt Instrument [Line Items]        
Total debt (principal amount) 86 251    
Unamortized debt discount (23) (73)    
Unamortized debt issuance costs $ (1) $ (3)    
Stated interest rate 2.125% 2.125% 2.125%  
7.50% Senior Notes due 2022 | Senior Notes        
Debt Instrument [Line Items]        
Total debt (principal amount) $ 312 $ 312    
Unamortized debt issuance costs $ (1) $ (1)    
Stated interest rate 7.50%     7.50%