Consolidated Statements of Earnings (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Revenues:
Sales	$ 28,917,439	$ 27,484,766	$ 26,967,389
Other operating income	230,079	222,006	211,375
Total revenues	29,147,518	27,706,772	27,178,764
Costs and expenses:
Cost of merchandise sold	20,937,319	19,910,984	19,520,370
Operating and administrative expenses	5,890,461	5,630,537	5,523,469
Total costs and expenses	26,827,780	25,541,521	25,043,839
Operating profit	2,319,738	2,165,251	2,134,925
Investment income	127,299	88,449	99,039
Other-than-temporary impairment losses	0	0	(6,082)
Investment income, net	127,299	88,449	92,957
Other income, net	18,652	48,894	33,891
Earnings before income tax expense	2,465,689	2,302,594	2,261,773
Income tax expense	811,735	750,339	769,807
Net earnings	$ 1,653,954	$ 1,552,255	$ 1,491,966
Weighted average shares outstanding	780,188	782,553	784,815
Basic and diluted earnings per share (in dollars per share)	$ 2.12	$ 1.98	$ 1.90