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Stockholders' Equity (Common Stock Repurchase Activity) (Details) - USD ($) shares in Millions	12 Months Ended		37 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Jan. 02, 2016	Dec. 31, 2014	Dec. 31, 2012
Equity, Class of Treasury Stock [Line Items]
Number of Shares Repurchased			11.7
Dollar Value Repurchased			$ 1,200,000,000
Fiscal Year Authorized - 2014, Termination Date - December 2018
Equity, Class of Treasury Stock [Line Items]
Dollar Value Authorized	$ 1,000,000,000.0		1,000,000,000.0	$ 1,000,000,000
Number of Shares Repurchased	2.4	0.0
Dollar Value Repurchased	$ 200,700,000	$ 0
Fiscal Year Authorized - 2012, Termination Date - December 2016
Equity, Class of Treasury Stock [Line Items]
Dollar Value Authorized	$ 1,000,000,000.0		1,000,000,000.0		$ 1,000,000,000
Number of Shares Repurchased	0.3	4.1
Dollar Value Repurchased	$ 28,800,000	$ 435,000,000
Fiscal Year Authorized - 2010, Termination Date - none
Equity, Class of Treasury Stock [Line Items]
Dollar Value Authorized	$ 30,000,000.0		$ 30,000,000.0
Number of Shares Repurchased	0.0	0.0
Dollar Value Repurchased	$ 0	$ 0