Company-Sponsored Employee Benefit Plans (Funded Status) (Details) (USD $)			12 Months Ended								3 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012 Pension Benefits [Member]		Jul. 02, 2011 Pension Benefits [Member]		Jul. 03, 2010 Pension Benefits [Member]	Jun. 30, 2012 Other Postretirement Plans [Member]	Jul. 02, 2011 Other Postretirement Plans [Member]	Jul. 03, 2010 Other Postretirement Plans [Member]	Dec. 31, 2011 Supplemental Executive Retirement Plan [Member]	Jun. 30, 2012 Supplemental Executive Retirement Plan [Member]	Jul. 02, 2011 Supplemental Executive Retirement Plan [Member]
Benefit obligation at beginning of year			$ 2,516,660,000		$ 2,212,304,000			$ 10,812,000	$ 8,461,000			$ 473,100,000	$ 402,000,000
Service cost			108,223,000		99,443,000		66,650,000	457,000	396,000	328,000
Interest cost			147,512,000		134,973,000		119,593,000	632,000	524,000	562,000
Amendments			8,705,000		8,252,000			0	987,000
Curtailments			(176,531,000)		0			0	0
Actuarial loss, net			625,890,000		121,913,000			924,000	157,000
Total disbursements			(65,485,000)		(60,225,000)			129,000	287,000
Benefit obligation at end of year			3,164,974,000		2,516,660,000		2,212,304,000	12,954,000	10,812,000	8,461,000		473,100,000	402,000,000
Fair value of plan assets at beginning of year			2,106,313,000		1,666,972,000			0	0
Actual return on plan assets			31,597,000		337,889,000			0	0
Employer contributions			162,444,000		161,677,000			(129,000)	(287,000)
Fair value of plan assets at end of year			2,234,869,000		2,106,313,000		1,666,972,000	0	0	0
Funded status at end of year			(930,105,000)		(410,347,000)			(12,954,000)	(10,812,000)
Cash surrender value of corporate-owned life insurance	160,500,000	231,300,000										97,600,000	170,000,000
Amount received for redemption of corporate-owned life insurance policies											75,000,000
Current accrued benefit liability (Accrued expenses)			(22,810,000)		(22,426,000)			(369,000)	(336,000)
Non-current accrued benefit liability (Other long-term liabilities)			(907,295,000)		(387,921,000)			(12,585,000)	(10,476,000)
Defined benefit plans net amount recognized in balance sheet			(930,105,000)		(410,347,000)			(12,954,000)	(10,812,000)
Accumulated other comprehensive loss (income) - Prior service cost	37,323,000	33,637,000	36,087,000		32,187,000			1,236,000	1,450,000
Accumulated other comprehensive loss (income) - Net actuarial losses (gains)	1,300,039,000	779,584,000	1,303,582,000		784,382,000			(3,543,000)	(4,798,000)
Accumulated other comprehensive loss (income) - Transition obligation	141,000	294,000	0		0			141,000	294,000
Accumulated other comprehensive loss (income) - Total amount recognized	1,337,503,000	813,515,000	1,339,669,000		816,569,000			(2,166,000)	(3,054,000)
Accumulated benefit obligation for all pension benefit plans			3,078,500,000		2,325,200,000
Accumulated benefit obligation for pension plans with accumulated benefit obligation in excess of fair value of plan assets			3,078,488,000	[1]	2,325,171,000	[1]
Aggregate benefit obligation for postretirment plans with aggregate benefit obligation in excess of fair value of plan assets								12,954,000	10,812,000
Fair value of plan assets at end of year for pension plans with accumulated benefit obligation in excess of fair value on plan assets			2,234,869,000	[1]	2,106,313,000	[1]
Fair value of plan assets at end of year for postretirement plans with aggregate benefit obligation in excess of fair value of plan assets								$ 0	$ 0

[1] Information under Pension Benefits as of June 30, 2012 and July 2, 2011 includes both the Retirement Plan and the SERP.