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Financial Instruments (Details) (Schedule of Carrying Amounts and Estimated Fair Values of Financial Instruments not Recorded at Fair Value) - USD ($)
$ in Millions
Dec. 30, 2017
Dec. 31, 2016
Sep. 14, 2016
Schedule of Investments [Line Items]      
Debt issuance cost, net $ 19 $ 25  
Unamortized debt discount associated with 2.125% Notes 286 308  
2.125% Convertible Senior Notes Due 2026      
Schedule of Investments [Line Items]      
Unamortized debt discount associated with 2.125% Notes $ 286 $ 308  
Interest rate, stated percentage 2.125% 2.125% 2.125%
Carrying Amount      
Schedule of Investments [Line Items]      
Short-term debt $ 70 $ 0  
Long-term debt (excluding capital leases), at estimated fair value 1,324 1,434  
Estimated Fair Value | Fair Value, Inputs, Level 2      
Schedule of Investments [Line Items]      
Short-term debt 70 0  
Long-term debt (excluding capital leases), at estimated fair value $ 2,103 $ 2,313