Debt (Narrative) (Details)			6 Months Ended		6 Months Ended	3 Months Ended	6 Months Ended			6 Months Ended			6 Months Ended			3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended						6 Months Ended
	Jun. 28, 2014 USD ($)	Dec. 28, 2013 USD ($)	Jun. 28, 2014 Term loan due 2015 [Member] USD ($)	Dec. 28, 2013 Term loan due 2015 [Member] USD ($)	Jun. 28, 2014 Term loan due 2015 [Member] United States Currency Rate	Jun. 28, 2014 Two point five percent Senior Notes Due Two Thousand Sixteen [Member] USD ($)	Jun. 28, 2014 Two point five percent Senior Notes Due Two Thousand Sixteen [Member] USD ($)	Dec. 28, 2013 Two point five percent Senior Notes Due Two Thousand Sixteen [Member] USD ($)	Jun. 30, 2012 Two point five percent Senior Notes Due Two Thousand Sixteen [Member] USD ($)	Jun. 28, 2014 Three point twenty-five percent Senior Notes Due Two Thousand Twenty-three [Member] USD ($)	Dec. 28, 2013 Three point twenty-five percent Senior Notes Due Two Thousand Twenty-three [Member] USD ($)	Apr. 02, 2013 Three point twenty-five percent Senior Notes Due Two Thousand Twenty-three [Member] USD ($)	Jun. 28, 2014 Four point seventy-five percent Senior Notes Due Two Thousand Fourty-three [Member] [Member] USD ($)	Dec. 28, 2013 Four point seventy-five percent Senior Notes Due Two Thousand Fourty-three [Member] [Member] USD ($)	Apr. 02, 2013 Four point seventy-five percent Senior Notes Due Two Thousand Fourty-three [Member] [Member] USD ($)	Jun. 28, 2014 1.58% Yen-Denominated Senior Notes Due 2017 [Member] USD ($)	Jun. 28, 2014 1.58% Yen-Denominated Senior Notes Due 2017 [Member] JPY (¥)	Jun. 28, 2014 1.58% Yen-Denominated Senior Notes Due 2017 [Member] USD ($)	Jun. 28, 2014 1.58% Yen-Denominated Senior Notes Due 2017 [Member] JPY (¥)	Dec. 28, 2013 1.58% Yen-Denominated Senior Notes Due 2017 [Member] USD ($)	Jun. 28, 2014 2.04% Yen-Denominated Senior Notes Due 2020 [Member] USD ($)	Jun. 28, 2014 2.04% Yen-Denominated Senior Notes Due 2020 [Member] JPY (¥)	Jun. 28, 2014 2.04% Yen-Denominated Senior Notes Due 2020 [Member] USD ($)	Jun. 28, 2014 2.04% Yen-Denominated Senior Notes Due 2020 [Member] JPY (¥)	Dec. 28, 2013 2.04% Yen-Denominated Senior Notes Due 2020 [Member] USD ($)	Jun. 28, 2014 Yen Denominated Credit Facilities [Member] USD ($)	Jun. 28, 2014 Yen Denominated Credit Facilities [Member] JPY (¥)	Dec. 28, 2013 Yen Denominated Credit Facilities [Member] USD ($)	Jun. 28, 2014 Yen Denominated Credit Facility One [Member]	Jun. 28, 2014 Yen Denominated Credit Facility One [Member] Japan, Yen	Jun. 28, 2014 Yen Denominated Credit Facility Two [Member]	Jun. 28, 2014 Yen Denominated Credit Facility Two [Member] Japan, Yen	Jun. 28, 2014 Credit Facility [Member] Scheduled Maturity of May 2018 [Member] USD ($)	Jun. 28, 2014 Credit Facility [Member] United States Currency Rate Scheduled Maturity of May 2018 [Member]	Jun. 28, 2014 Commercial paper borrowings [Member] USD ($) D	Dec. 28, 2013 Commercial paper borrowings [Member] USD ($)
Debt Instrument [Line Items]
Expected minimum principal payments in 2015	$ 564,000,000
Expected minimum principal payments in 2016	500,000,000
Expected minimum principal payments in 2017	80,000,000
Expected minimum principal payments in 2018	1,336,000,000
Expected minimum principal payments thereafter	1,725,000,000
Debt Instrument, Face Amount			500,000,000			500,000,000	500,000,000			900,000,000		900,000,000	700,000,000		700,000,000	80,000,000	8,100,000,000	80,000,000	8,100,000,000	78,000,000	125,000,000	12,800,000,000	125,000,000	12,800,000,000	122,000,000
Debt instrument term, years			2 years				5 years			10 years			30 years					7 years	7 years				10 years	10 years
Debt instrument, stated percentage rate						2.50%	2.50%			3.25%			4.75%			1.58%	1.58%	1.58%	1.58%		2.04%	2.04%	2.04%	2.04%
Debt instrument, due date						Jan. 15, 2016				Apr. 15, 2023			Apr. 15, 2043			Apr. 28, 2017	Apr. 28, 2017				Apr. 28, 2020	Apr. 28, 2020											May 31, 2018
Debt Instrument, Description of Variable Rate Basis					LIBOR																									Yen LIBOR		Yen LIBOR		LIBOR
Debt instrument, effective interest rate						2.54%	2.54%			3.31%			4.79%
Interest rate swap term, years							5 years
Derivative, Notional Amount						500,000,000	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																										64,000,000	6,500,000,000	62,000,000
Number of commercial banks in Japan providing financing under uncommitted credit facilities	2
Maximum borrowing capacity																											11,250,000,000
Debt instrument basis spread			0.50%																										0.275%		0.25%		0.80%
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 Debt	$ 4,206,000,000	$ 3,580,000,000	$ 500,000,000	$ 500,000,000		$ 509,000,000	$ 509,000,000	$ 512,000,000		$ 896,000,000	$ 896,000,000		$ 696,000,000	$ 696,000,000		$ 80,000,000		$ 80,000,000		$ 78,000,000	$ 125,000,000		$ 125,000,000		$ 122,000,000	$ 64,000,000		$ 62,000,000							$ 1,336,000,000	$ 714,000,000
Weighted average effective interest rate																																			0.24%