v3.8.0.1
Debt and Other Commitments - Summary of Changes in the Facility Exit Obligation (Details) - Facility exit obligation [Member] - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Jan. 01, 2017
Jan. 03, 2016
Restructuring Cost and Reserve [Line Items]      
Beginning balance $ 19 $ 22 $ 38
Adjustment to facility exit obligation     (5)
Accretion of interest expense 1 1 2
Cash payments (3) (4) (13)
Ending balance $ 17 $ 19 $ 22