Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Revenues:
Sales	$ 38,116,402	$ 36,093,907	$ 34,558,286
Other operating income	346,351	301,811	278,552
Total revenues	38,462,753	36,395,718	34,836,838
Costs and expenses:
Cost of merchandise sold	27,740,469	26,311,391	25,129,717
Operating and administrative expenses	7,833,035	7,339,924	6,974,297
Total costs and expenses	35,573,504	33,651,315	32,104,014
Operating profit	2,889,249	2,744,403	2,732,824
Investment income	814,372	56,699	226,626
Other nonoperating income, net	82,365	119,866	68,056
Earnings before income tax expense	3,785,986	2,920,968	3,027,506
Income tax expense	780,591	539,801	735,612
Net earnings	$ 3,005,395	$ 2,381,167	$ 2,291,894
Weighted average shares outstanding	713,535	726,407	753,483
Earnings per share	$ 4.21	$ 3.28	$ 3.04