Other Financial Data - Stockholders' Equity (Details) - USD ($) $ / shares in Units, shares in Millions	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Aug. 03, 2016
Equity, Class of Treasury Stock [Line Items]
Payments for repurchased shares	$ 178,000,000	$ 64,000,000
Number of shares repurchased (in shares)	2.2
Repurchase of common shares, average cost (in US$ per share)	$ 80.82
Share repurchase authority utilized during period	$ 12,000,000,000
Amount available for future share repurchase	2,000,000,000
Cash dividends paid	$ (77,000,000)	$ (71,000,000)
Maximum
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount			$ 14,000,000,000