Annual report pursuant to Section 13 and 15(d)

Financial Instruments (Details) (Narrative)

v3.8.0.1
Financial Instruments (Details) (Narrative) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Sep. 24, 2016
Dec. 30, 2017
Dec. 31, 2016
Sep. 27, 2014
Feb. 26, 2014
Schedule of Investments [Line Items]          
Derivative, notional amount       $ 250  
Deferred gain included in long-term debt, net   $ 1 $ 1    
Reclassification out of Accumulated Other Comprehensive Income          
Schedule of Investments [Line Items]          
Gain on canceled interest swap contract $ 2        
Fair value, inputs, level 1 | Money Market Funds          
Schedule of Investments [Line Items]          
Cash equivalents pledged as collateral   2 2    
Fair value, inputs, level 1 | Mutual Funds          
Schedule of Investments [Line Items]          
Restricted investments   $ 18 15    
6.75% Senior Notes due 2019          
Schedule of Investments [Line Items]          
Interest rate, stated percentage   6.75%     6.75%
Foreign Currency Forward Contracts          
Schedule of Investments [Line Items]          
Derivative, notional amount   $ 300 $ 138    
Foreign currency forward contracts, maturity term   12 months