Consolidated Statements Of Earnings (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 25, 2010	Dec. 26, 2009
Revenues:
Sales	$ 26,967,389	$ 25,134,054	$ 24,319,716
Other operating income	211,375	194,000	195,244
Total revenues	27,178,764	25,328,054	24,514,960
Costs and expenses:
Cost of merchandise sold	19,520,370	18,111,443	17,592,679
Operating and administrative expenses	5,523,469	5,295,287	5,241,368
Total costs and expenses	25,043,839	23,406,730	22,834,047
Operating profit	2,134,925	1,921,324	1,680,913
Investment income	99,039	91,835	87,555
Other-than-temporary impairment losses	(6,082)		(19,283)
Investment income, net	92,957	91,835	68,272
Other income, net	33,891	26,259	25,529
Earnings before income tax expense	2,261,773	2,039,418	1,774,714
Income tax expense	769,807	701,271	613,272
Net earnings	$ 1,491,966	$ 1,338,147	$ 1,161,442
Weighted average shares outstanding	784,815	786,378	788,835
Basic and diluted earnings per share	$ 1.90	$ 1.70	$ 1.47