Condensed Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Sep. 11, 2021	Sep. 12, 2020	Sep. 11, 2021	Sep. 12, 2020
Income Statement [Abstract]
Net sales and other revenue	$ 16,505.7	$ 15,757.6	$ 37,775.1	$ 38,509.2
Cost of sales	11,788.7	11,182.7	26,867.1	27,162.8
Gross profit	4,717.0	4,574.9	10,908.0	11,346.4
Selling and administrative expenses	4,231.3	4,031.2	9,734.9	9,800.6
(Gain) loss on property dispositions and impairment losses, net	(0.2)	(18.3)	0.1	12.0
Operating income	485.9	562.0	1,173.0	1,533.8
Interest expense, net	109.3	128.6	262.6	309.2
Loss on debt extinguishment	0.0	49.1	0.0	49.1
Other income, net	(18.9)	(11.4)	(62.4)	(8.3)
Income before income taxes	395.5	395.7	972.8	1,183.8
Income tax expense	100.3	111.2	232.8	313.1
Net income	295.2	284.5	740.0	870.7
Other comprehensive income, net of tax
Recognition of pension gain	15.1	10.1	15.2	10.9
Other	0.0	0.3	0.0	1.2
Other comprehensive income	15.1	10.4	15.2	12.1
Comprehensive income	$ 310.3	$ 294.9	$ 755.2	$ 882.8
Net income per Class A common share
Basic net income per class A common share (in dollars per share)	$ 0.55	$ 0.52	$ 1.27	$ 1.57
Diluted net income per class A common share (in dollars per share)	$ 0.52	$ 0.49	$ 1.26	$ 1.49
Weighted average Class A common shares outstanding
Basic (in shares)	465.3	477.3	465.2	529.2
Diluted (in shares)	573.0	582.9	470.6	583.3