Debt (Narrative) (Details)			9 Months Ended				9 Months Ended				9 Months Ended						9 Months Ended
	Sep. 29, 2012 USD ($)	Dec. 31, 2011 USD ($)	Sep. 29, 2012 2.20% Senior Notes Due 2013 [Member] USD ($) Y	Sep. 29, 2012 3.75% Senior Notes Due 2014 [Member] USD ($) Y	Sep. 29, 2012 2.50% Senior Notes Due 2016 [Member] USD ($) Y	Jun. 30, 2012 2.50% Senior Notes Due 2016 [Member] USD ($)	Sep. 29, 2012 4.875% Senior Notes Due 2019 [Member] USD ($) Y	Sep. 29, 2012 1.58% Yen-Denominated Senior Notes Due 2017 [Member] USD ($) Y	Sep. 29, 2012 1.58% Yen-Denominated Senior Notes Due 2017 [Member] JPY (¥)	Dec. 31, 2011 1.58% Yen-Denominated Senior Notes Due 2017 [Member] USD ($)	Sep. 29, 2012 2.04% Yen-Denominated Senior Notes Due 2020 [Member] USD ($) Y	Sep. 29, 2012 2.04% Yen-Denominated Senior Notes Due 2020 [Member] JPY (¥)	Sep. 29, 2012 Yen Denominated Credit Facilities [Member] USD ($)	Sep. 29, 2012 Yen Denominated Credit Facilities [Member] JPY (¥)	Sep. 29, 2012 Yen Denominated Credit Facility One [Member]	Sep. 29, 2012 Yen Denominated Credit Facility Two [Member]	Sep. 29, 2012 Credit Facility [Member] USD ($)	Sep. 29, 2012 Commercial paper borrowings [Member] D	Sep. 29, 2012 Japan, Yen	Sep. 29, 2012 United States Currency Rate
Debt Instrument [Line Items]
Current debt obligations	$ 540,000,000	$ 83,000,000
Expected minimum principal payments in 2014	700,000,000
Expected minimum principal payments in 2016	500,000,000
Expected minimum principal payments in 2017	105,000,000
Expected minimum principal payments thereafter	664,000,000
Issued principal amount			450,000,000	700,000,000	500,000,000		500,000,000	105,000,000	8,100,000,000	104,000,000	164,000,000	12,800,000,000
Debt instrument term, years			3	5	5		10	7	7		10	10
Debt instrument, stated percentage rate			2.20%	3.75%	2.50%		4.875%	1.58%	1.58%		2.04%	2.04%
Debt instrument, due date			Sep. 15, 2013	Jul. 15, 2014	Jan. 15, 2016		Jul. 15, 2019	Apr. 28, 2017	Apr. 28, 2017		Apr. 28, 2020	Apr. 28, 2020					Feb. 15, 2015
Debt Instrument, Description of Variable Rate Basis																			Yen LIBOR	LIBOR
Debt instrument, effective interest rate			2.23%	3.78%	2.54%		5.04%
Interest rate swap term, years			3		5
Notional amount interest rate swap designated as a fair value hedge			450,000,000		500,000,000
Proceeds from termination of interest rate swap			19,000,000			24,000,000
Net average interest rate			0.80%		1.30%
Outstanding balance under yen denominated credit facilities													84,000,000	6,500,000,000
Maximum borrowing capacity														11,250,000,000
Debt instrument basis spread															0.275%	0.25%	0.875%
Unused borrowing capacity																	$ 1,500,000,000
Maximum days commercial paper program provides for the issuance of short-term, unsecured commercial paper																		270
Weighted average effective interest rate																		0.23%