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Financial Instruments - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Oct. 02, 2016	Dec. 31, 2015	Nov. 13, 2015	Jan. 28, 2013
Debt Instrument [Line Items]
Total long-term debt	$ 4,501	$ 4,900
Bank loan	1
Unamortized debt discount / debt issuance costs	(34)	(37)
Less current portion of long-term debt	0	(400)
Long-term debt, net of discount and issuance costs	4,467	4,463
Senior Notes
Debt Instrument [Line Items]
Total long-term debt			$ 1,250	$ 3,650
Senior Notes \| 1.150% 2013 senior notes due 2016
Debt Instrument [Line Items]
Interest rate percentage				1.15%
Total long-term debt	0	400
Senior Notes \| 1.875% 2013 senior notes due 2018
Debt Instrument [Line Items]
Interest rate percentage				1.875%
Total long-term debt	750	750
Senior Notes \| 3.450% 2015 senior notes due 2020
Debt Instrument [Line Items]
Interest rate percentage				3.45%
Total long-term debt	500	500
Senior Notes \| 3.250% 2013 senior notes due 2023
Debt Instrument [Line Items]
Interest rate percentage				3.25%
Total long-term debt	1,350	1,350
Senior Notes \| 4.500% 2015 senior notes due 2025
Debt Instrument [Line Items]
Interest rate percentage				4.50%
Total long-term debt	750	750
Senior Notes \| 4.700% 2013 senior notes due 2043
Debt Instrument [Line Items]
Interest rate percentage				4.70%
Total long-term debt	$ 1,150	$ 1,150
Bank Loan Obligations
Debt Instrument [Line Items]
Interest rate percentage				5.10%