SEGMENT INFORMATION - Segment Reporting Information, by Segment (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Feb. 26, 2022	Feb. 22, 2025	Feb. 24, 2024	Feb. 25, 2023
Segment Reporting Information [Line Items]
Net sales and other revenue		$ 80,390.9	$ 79,237.7	$ 77,649.7
Reconciliation to Income before income taxes:
Depreciation and amortization		(1,817.9)	(1,779.0)	(1,807.1)
Interest expense, net		(459.8)	(492.1)	(404.6)
Equity-based compensation expense		(106.2)	(104.5)	(138.3)
(Loss) gain on property dispositions and impairment losses, net		(95.8)	(43.9)	147.5
LIFO expense		(28.6)	(52.0)	(268.0)
Combined Plan	$ (607.2)
Income before income taxes		1,129.7	1,589.0	1,935.5
Reportable Segment
Segment Reporting Information [Line Items]
Net sales and other revenue		80,390.9	79,237.7	77,649.7
Retail segment expenses:
Merchandise costs, including advertising, distribution and freight		56,674.1	55,807.2	54,250.1
Employee costs		11,734.9	11,411.5	11,222.0
Other segment expenses		6,668.5	6,482.8	6,168.9
Retail segment EBITDA		4,555.7	4,792.9	5,132.7
Reconciliation to Income before income taxes:
Corporate adjusted EBITDA		(551.0)	(475.2)	(455.7)
Depreciation and amortization		(1,817.9)	(1,779.0)	(1,807.1)
Interest expense, net		(459.8)	(492.1)	(404.6)
(Loss) gain on interest rate swaps and energy hedges, net		(0.9)	3.2	8.4
Business transformation		(105.2)	(45.1)	(78.3)
Equity-based compensation expense		(106.2)	(104.5)	(138.3)
(Loss) gain on property dispositions and impairment losses, net		(95.8)	(43.9)	147.5
LIFO expense		(28.6)	(52.0)	(268.0)
Government-mandated incremental COVID-19 pandemic related pay		0.0	0.0	(10.8)
Merger-related costs		(254.8)	(180.6)	(56.5)
Certain legal and regulatory accruals and settlements, net		(6.1)	6.7	(100.7)
Combined Plan		0.0	0.0	19.0
Miscellaneous adjustments		0.3	(41.4)	(52.1)
Income before income taxes		1,129.7	1,589.0	1,935.5
Reportable Segment | Retail segment sales
Segment Reporting Information [Line Items]
Net sales and other revenue		79,633.2	78,494.4	76,773.7
Reportable Segment | Other revenue
Segment Reporting Information [Line Items]
Net sales and other revenue		$ 757.7	$ 743.3	$ 876.0