Consolidated Statements of Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Common Stock (Acquired from) Sold to Stock- holders	Accumulated Other Comprehensive Earnings (Losses)	Common Stock Related to ESOP
Beginning Balance at Dec. 25, 2010	$ 5,243,894	$ 780,969	$ 1,092,008	$ 5,349,387	$ 0	$ 38,226	$ (2,016,696)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive earnings	1,484,001			1,491,966		(7,965)
Dividends per share	(418,680)			(418,680)
Contribution of shares to retirement plans	261,424	10,064	202,761		48,599
Acquisition of shares from stockholders	(497,570)				(497,570)
Sale of shares to stockholders	206,245	2,920	60,112		143,213
Retirement of shares		(14,278)		(291,480)	305,758
Change for ESOP related shares	(120,521)						(120,521)
Ending Balance at Dec. 31, 2011	6,158,793	779,675	1,354,881	6,131,193	0	30,261	(2,137,217)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive earnings	1,560,283			1,552,255		8,028
Dividends per share	(698,652)			(698,652)
Contribution of shares to retirement plans	278,906	9,845	216,232		52,829
Acquisition of shares from stockholders	(551,816)				(551,816)
Sale of shares to stockholders	197,448	2,650	56,145		138,653
Retirement of shares		(16,076)		(344,258)	360,334
Change for ESOP related shares	(135,746)						(135,746)
Ending Balance at Dec. 29, 2012	6,809,216	776,094	1,627,258	6,640,538	0	38,289	(2,272,963)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive earnings	1,702,664			1,653,954		48,710
Dividends per share	(547,287)			(547,287)
Contribution of shares to retirement plans	300,845	9,548	214,371		76,926
Acquisition of shares from stockholders	(563,470)				(563,470)
Sale of shares to stockholders	242,211	2,275	57,345		182,591
Retirement of shares		(11,196)		(292,757)	303,953
Change for ESOP related shares	(49,940)						(49,940)
Ending Balance at Dec. 28, 2013	$ 7,894,239	$ 776,721	$ 1,898,974	$ 7,454,448	$ 0	$ 86,999	$ (2,322,903)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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