v3.8.0.1
Fair Value Measurements - Summary of Changes in Estimated Fair Value of Contingent Consideration Liabilities (Details) - Contingent consideration liability [Member] - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Jan. 01, 2017
Jan. 03, 2016
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Beginning balance $ 4 $ 35 $ 44
Cash payments (3) (35) (3)
Additional liability recorded as a result of a current period acquisition   5  
Ending balance 0 4 35
Selling, general and administrative expenses [Member]      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Change in estimated fair value, recorded in selling, general and administrative expenses $ (1) $ (1) $ (6)