Debt (Narrative) (Details)	9 Months Ended								9 Months Ended		9 Months Ended		9 Months Ended			9 Months Ended						9 Months Ended
	Sep. 27, 2014 Line of Credit [Member] Scheduled Maturity of May 2018 [Member] USD ($)	Sep. 27, 2014 Line of Credit [Member] United States Currency Rate Scheduled Maturity of May 2018 [Member]	Sep. 27, 2014 Loans Payable [Member] Term loan due June 2015 USD ($)	Sep. 27, 2014 Loans Payable [Member] Term loan due June 2015 United States Currency Rate	Sep. 27, 2014 Loans Payable [Member] Term loan due August 2015 USD ($)	Sep. 27, 2014 Loans Payable [Member] Term loan due August 2015 United States Currency Rate	Sep. 27, 2014 Senior Notes [Member] Two point five percent Senior Notes Due Two Thousand Sixteen [Member] USD ($)	Jun. 30, 2012 Senior Notes [Member] Two point five percent Senior Notes Due Two Thousand Sixteen [Member] USD ($)	Sep. 27, 2014 Senior Notes [Member] Three point twenty-five percent Senior Notes Due Two Thousand Twenty-three [Member] USD ($)	Apr. 02, 2013 Senior Notes [Member] Three point twenty-five percent Senior Notes Due Two Thousand Twenty-three [Member] USD ($)	Sep. 27, 2014 Senior Notes [Member] Four point seventy-five percent Senior Notes Due Two Thousand Fourty-three [Member] [Member] USD ($)	Apr. 02, 2013 Senior Notes [Member] Four point seventy-five percent Senior Notes Due Two Thousand Fourty-three [Member] [Member] USD ($)	Sep. 27, 2014 Senior Notes [Member] 1.58% Yen-Denominated Senior Notes Due 2017 [Member] USD ($)	Sep. 27, 2014 Senior Notes [Member] 1.58% Yen-Denominated Senior Notes Due 2017 [Member] JPY (¥)	Dec. 28, 2013 Senior Notes [Member] 1.58% Yen-Denominated Senior Notes Due 2017 [Member] USD ($)	Sep. 27, 2014 Senior Notes [Member] 2.04% Yen-Denominated Senior Notes Due 2020 [Member] USD ($)	Sep. 27, 2014 Senior Notes [Member] 2.04% Yen-Denominated Senior Notes Due 2020 [Member] JPY (¥)	Dec. 28, 2013 Senior Notes [Member] 2.04% Yen-Denominated Senior Notes Due 2020 [Member] USD ($)	Sep. 27, 2014 Line of Credit [Member] Yen Denominated Credit Facilities [Member] USD ($)	Sep. 27, 2014 Line of Credit [Member] Yen Denominated Credit Facilities [Member] JPY (¥)	Dec. 28, 2013 Line of Credit [Member] Yen Denominated Credit Facilities [Member] USD ($)	Sep. 27, 2014 Line of Credit [Member] Yen Denominated Credit Facility One [Member]	Sep. 27, 2014 Line of Credit [Member] Yen Denominated Credit Facility One [Member] Japan, Yen	Sep. 27, 2014 Line of Credit [Member] Yen Denominated Credit Facility Two [Member]	Sep. 27, 2014 Line of Credit [Member] Yen Denominated Credit Facility Two [Member] Japan, Yen	Sep. 27, 2014 Commercial Paper [Member] Commercial paper borrowings [Member] USD ($) D	Dec. 28, 2013 Commercial Paper [Member] Commercial paper borrowings [Member] USD ($)
Debt Instrument [Line Items]
Debt instrument term, years			2 years		364 days		5 years		10 years		30 years		7 years	7 years		10 years	10 years
Debt Instrument, Face Amount			$ 500,000,000		$ 250,000,000		$ 500,000,000		$ 900,000,000	$ 900,000,000	$ 700,000,000	$ 700,000,000	$ 75,000,000	¥ 8,100,000,000	$ 78,000,000	$ 117,000,000	¥ 12,800,000,000	$ 122,000,000
Debt instrument, stated percentage rate							2.50%		3.25%		4.75%		1.58%	1.58%		2.04%	2.04%
Debt Instrument, Description of Variable Rate Basis		LIBOR		LIBOR		LIBOR																	Yen LIBOR		Yen LIBOR
Debt instrument, effective interest rate							2.54%		3.31%		4.79%
Interest rate swap term, years							5 years
Derivative, Notional Amount							500,000,000
Proceeds from termination of interest rate swap								24,000,000
Net average interest rate							1.30%
Outstanding balance under yen denominated credit facilities																			60,000,000	6,500,000,000	62,000,000
Number of commercial banks in Japan providing financing under uncommitted credit facilities																			2	2
Maximum borrowing capacity																				11,250,000,000
Debt instrument basis spread	0.80%		0.50%		0.90%																	0.275%		0.25%
Unused borrowing capacity	1,500,000,000
Maximum days commercial paper program provides for the issuance of short-term, unsecured commercial paper																										270
Long-term Commercial Paper																										$ 763,000,000	$ 714,000,000
Weighted average effective interest rate																										0.24%