Debt (Narrative) (Details)				3 Months Ended	6 Months Ended	12 Months Ended		3 Months Ended	6 Months Ended	9 Months Ended	12 Months Ended			3 Months Ended	6 Months Ended			3 Months Ended	6 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	3 Months Ended	6 Months Ended	3 Months Ended		6 Months Ended			3 Months Ended
	Jun. 29, 2013 USD ($)	May 02, 2013 USD ($)	Dec. 29, 2012 USD ($)	Jun. 29, 2013 2.20% Senior Notes Due 2013 [Member] USD ($)	Jun. 29, 2013 2.20% Senior Notes Due 2013 [Member] USD ($)	Jan. 01, 2011 2.20% Senior Notes Due 2013 [Member] USD ($)	Dec. 29, 2012 2.20% Senior Notes Due 2013 [Member] USD ($)	Jun. 29, 2013 Two point five percent Senior Notes Due Two Thousand Sixteen [Member] USD ($)	Jun. 29, 2013 Two point five percent Senior Notes Due Two Thousand Sixteen [Member] USD ($)	Sep. 29, 2012 Two point five percent Senior Notes Due Two Thousand Sixteen [Member]	Jan. 01, 2011 Two point five percent Senior Notes Due Two Thousand Sixteen [Member]	Dec. 29, 2012 Two point five percent Senior Notes Due Two Thousand Sixteen [Member] USD ($)	Jun. 30, 2012 Two point five percent Senior Notes Due Two Thousand Sixteen [Member] USD ($)	Jun. 29, 2013 Three point twenty-five percent Senior Notes Due Two Thousand Twenty-three [Member] USD ($)	Jun. 29, 2013 Three point twenty-five percent Senior Notes Due Two Thousand Twenty-three [Member] USD ($)	Apr. 02, 2013 Three point twenty-five percent Senior Notes Due Two Thousand Twenty-three [Member] USD ($)	Dec. 29, 2012 Three point twenty-five percent Senior Notes Due Two Thousand Twenty-three [Member] USD ($)	Jun. 29, 2013 Four point seventy-five percent Senior Notes Due Two Thousand Fourty-three [Member] [Member] USD ($)	Jun. 29, 2013 Four point seventy-five percent Senior Notes Due Two Thousand Fourty-three [Member] [Member] USD ($)	Apr. 02, 2013 Four point seventy-five percent Senior Notes Due Two Thousand Fourty-three [Member] [Member] USD ($)	Dec. 29, 2012 Four point seventy-five percent Senior Notes Due Two Thousand Fourty-three [Member] [Member] USD ($)	Jun. 29, 2013 Three point seven five percent Senior Notes Due Two Thousand Fourteen [Member] USD ($)	Dec. 29, 2012 Three point seven five percent Senior Notes Due Two Thousand Fourteen [Member] USD ($)	Jun. 29, 2013 Four point eight seven five percent Senior Notes Due Two Thousand Nineteen [Member] USD ($)	Dec. 29, 2012 Four point eight seven five percent Senior Notes Due Two Thousand Nineteen [Member] USD ($)	Jun. 29, 2013 Term loan due 2015 [Member] USD ($)	Dec. 29, 2012 Term loan due 2015 [Member] USD ($)	Jun. 29, 2013 Term loan due 2015 [Member] United States Currency Rate	Jun. 29, 2013 1.58% Yen-Denominated Senior Notes Due 2017 [Member] USD ($)	Jun. 29, 2013 1.58% Yen-Denominated Senior Notes Due 2017 [Member] JPY (¥)	Jun. 29, 2013 1.58% Yen-Denominated Senior Notes Due 2017 [Member] USD ($)	Jun. 29, 2013 1.58% Yen-Denominated Senior Notes Due 2017 [Member] JPY (¥)	Dec. 29, 2012 1.58% Yen-Denominated Senior Notes Due 2017 [Member] USD ($)	Jun. 29, 2013 2.04% Yen-Denominated Senior Notes Due 2020 [Member] USD ($)	Jun. 29, 2013 2.04% Yen-Denominated Senior Notes Due 2020 [Member] JPY (¥)	Jun. 29, 2013 2.04% Yen-Denominated Senior Notes Due 2020 [Member] USD ($)	Jun. 29, 2013 2.04% Yen-Denominated Senior Notes Due 2020 [Member] JPY (¥)	Dec. 29, 2012 2.04% Yen-Denominated Senior Notes Due 2020 [Member] USD ($)	Jun. 29, 2013 Yen Denominated Credit Facilities [Member] USD ($)	Jun. 29, 2013 Yen Denominated Credit Facilities [Member] JPY (¥)	Dec. 29, 2012 Yen Denominated Credit Facilities [Member] USD ($)	Jun. 29, 2013 Yen Denominated Credit Facility One [Member]	Jun. 29, 2013 Yen Denominated Credit Facility One [Member] Japan, Yen	Jun. 29, 2013 Yen Denominated Credit Facility Two [Member]	Jun. 29, 2013 Yen Denominated Credit Facility Two [Member] Japan, Yen	Jun. 29, 2013 Credit Facility [Member]	Jun. 29, 2013 Credit Facility [Member]	Jun. 29, 2013 Credit Facility [Member] Scheduled Maturity of May 2018 [Member] USD ($)	Jun. 29, 2013 Credit Facility [Member] Scheduled Maturity of February 2015 [Member] USD ($)	Jun. 29, 2013 Credit Facility [Member] United States Currency Rate	Jun. 29, 2013 Commercial paper borrowings [Member] USD ($) D	Dec. 29, 2012 Commercial paper borrowings [Member] USD ($)
Debt Instrument [Line Items]
Expected minimum principal payments in 2013	$ 518,000,000
Expected minimum principal payments in 2015	775,000,000
Expected minimum principal payments in 2016	500,000,000
Expected minimum principal payments in 2017	83,000,000
Expected minimum principal payments thereafter	1,731,000,000
Debt Instrument, Face Amount				450,000,000	450,000,000			500,000,000	500,000,000							900,000,000				700,000,000		700,000,000		500,000,000		500,000,000			83,000,000	8,100,000,000	83,000,000	8,100,000,000	95,000,000	131,000,000	12,800,000,000	131,000,000	12,800,000,000	149,000,000
Make-whole redemption charge		161,000,000
Debt instrument term, years					3 years				5 years						10 years				30 years			5 years		10 years		2 years					7 years	7 years				10 years	10 years
Debt instrument, stated percentage rate				2.20%	2.20%			2.50%	2.50%							3.25%				4.75%		3.75%		4.875%					1.58%	1.58%	1.58%	1.58%		2.04%	2.04%	2.04%	2.04%
Debt instrument, due date				Sep. 15, 2013				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				2.23%	2.23%			2.54%	2.54%							3.31%				4.79%
Interest rate swap term, years						3 years					5 years
Derivative, Notional Amount				450,000,000	450,000,000			500,000,000	500,000,000
Proceeds from termination of interest rate swap						19,000,000							24,000,000
Net average interest rate				0.80%				1.30%		1.30%
Outstanding balance under yen denominated credit facilities																																							67,000,000	6,500,000,000	76,000,000
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	1,500,000,000
Maximum days commercial paper program provides for the issuance of short-term, unsecured commercial paper																																																			270
Long-term Debt	$ 3,613,000,000		$ 3,080,000,000	$ 451,000,000	$ 451,000,000		$ 454,000,000	$ 515,000,000	$ 515,000,000			$ 518,000,000		$ 896,000,000	$ 896,000,000		$ 0	$ 695,000,000	$ 695,000,000		$ 0	$ 0	$ 699,000,000	$ 0	$ 496,000,000	$ 500,000,000	$ 0		$ 83,000,000		$ 83,000,000		$ 95,000,000	$ 131,000,000		$ 131,000,000		$ 149,000,000	$ 67,000,000		$ 76,000,000										$ 275,000,000	$ 593,000,000
Weighted average effective interest rate																																																			0.24%