Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Feb. 25, 2023	Feb. 26, 2022	Feb. 27, 2021
Income Statement [Abstract]
Net sales and other revenue	$ 77,649.7	$ 71,887.0	$ 69,690.4
Cost of sales	55,894.1	51,164.6	49,275.9
Gross margin	21,755.6	20,722.4	20,414.5
Selling and administrative expenses	19,596.0	18,300.5	18,835.8
Gain on property dispositions and impairment losses, net	(147.5)	(15.0)	(38.8)
Operating income	2,307.1	2,436.9	1,617.5
Interest expense, net	404.6	481.9	538.2
Loss on debt extinguishment	0.0	3.7	85.3
Other income, net	(33.0)	(148.2)	(134.7)
Income before income taxes	1,935.5	2,099.5	1,128.7
Income tax expense	422.0	479.9	278.5
Net income	1,513.5	1,619.6	850.2
Other comprehensive income (loss), net of tax:
Recognition of pension gain	4.6	5.8	183.0
Other	(4.3)	(0.3)	(1.0)
Other comprehensive income	0.3	5.5	182.0
Comprehensive income	$ 1,513.8	$ 1,625.1	$ 1,032.2
Net income per Class A common share:
Basic net income per Class A common share (in dollars per share)	$ 2.29	$ 2.73	$ 1.53
Diluted net income per Class A common share (in dollars per share)	$ 2.27	$ 2.70	$ 1.47
Weighted average Class A common shares outstanding:
Basic (in shares)	529.0	469.6	500.3
Diluted (in shares)	534.0	475.3	578.1