Other Financial Data (Narrative) (Details) $ / shares in Units, shares in Millions			3 Months Ended		9 Months Ended
	Sep. 03, 2015 USD ($) $ / shares shares	Aug. 25, 2015 USD ($) $ / shares	Oct. 03, 2015 USD ($) $ / shares shares	Sep. 27, 2014 USD ($)	Oct. 03, 2015 USD ($) $ / shares shares	Sep. 27, 2014 USD ($)	Aug. 04, 2015 USD ($)	Dec. 31, 2014 USD ($)	Nov. 03, 2014 USD ($)	Dec. 31, 2013 USD ($)
Debt Instrument [Line Items]
Cash and cash equivalents			$ 2,200,000,000	$ 2,845,000,000	$ 2,200,000,000	$ 2,845,000,000		$ 3,954,000,000		$ 3,225,000,000
Restricted cash and cash equivalents			63,000,000		63,000,000			$ 63,000,000
Long Lived Assets Held-for-sale [Line Items]
Impairment loss			26,000,000	0	26,000,000	0
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount							$ 2,000,000,000		$ 12,000,000,000
Payments for repurchased shares					$ 2,996,000,000	1,123,000,000
Number of shares repurchased | shares					45.4
Repurchase of common shares, average cost (in US$ per share) | $ / shares					$ 66.04
Share repurchase authority utilized during period					$ 10,800,000,000
Share repurchase program, available for repurchases			1,200,000,000		1,200,000,000
Cash dividends paid			70,000,000	$ 78,000,000	$ 218,000,000	$ 236,000,000
Shares Repurchased due to Tender Offer
Equity, Class of Treasury Stock [Line Items]
Payments for repurchased shares	$ 2,000,000,000
Number of shares repurchased | shares	30.1
Repurchase of common shares, average cost (in US$ per share) | $ / shares	$ 66.50
Shares Repurchased Program Not Including Tender Offer Repurchased Shares
Equity, Class of Treasury Stock [Line Items]
Payments for repurchased shares			$ 55,000,000
Number of shares repurchased | shares			0.8
Repurchase of common shares, average cost (in US$ per share) | $ / shares			$ 67.62
Penang Malaysia Manufacturing Operations, Building
Long Lived Assets Held-for-sale [Line Items]
Impairment loss			$ 6,000,000
Corporate Aircraft
Long Lived Assets Held-for-sale [Line Items]
Impairment loss			$ 26,000,000
Senior Convertible Notes | Convertible Debt | Silver Lake Partners
Debt Instrument [Line Items]
Convertible note issued		$ 1,000,000,000
Interest rate		2.00%
Conversion rate		0.0145985
Effective conversion price of convertible shares (US$ per share) | $ / shares		$ 68.50