v3.8.0.1
Balance Sheet Account Details - Summary of Activity of Redeemable Noncontrolling Interests (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Jan. 01, 2017
Jan. 03, 2016
Increase (Decrease) in Redeemable Noncontrolling Interests [Roll Forward]      
Beginning balance $ 44 $ 33 $ 0
Cash contributions   9 57
Amount (held in) released from escrow 79   (24)
Vesting of redeemable equity awards 13 2  
Net loss attributable to noncontrolling interests (41) (21) (4)
Adjustment up to the redemption value 136 21 4
Deconsolidation of GRAIL (11)    
Ending balance $ 220 $ 44 $ 33