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Segment Information, Geographic Data, and Significant Customers - Summary of Revenue by Region (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2017
Oct. 01, 2017
Jul. 02, 2017
Apr. 02, 2017
Jan. 01, 2017
Oct. 02, 2016
Jul. 03, 2016
Apr. 03, 2016
Dec. 31, 2017
Jan. 01, 2017
Jan. 03, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue $ 778 $ 714 $ 662 $ 598 $ 619 $ 607 $ 600 $ 572 $ 2,752 $ 2,398 $ 2,220
United States [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 1,511 1,294 1,207
Europe [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 632 553 527
Greater China [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 292    
Asia-Pacific [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 222 456 380
Other markets [Member]                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 $ 95 $ 95 $ 106