Financing - Additional Information (Detail) - USD ($) $ in Thousands	Apr. 15, 2025	Nov. 15, 2024	May 10, 2025	Apr. 14, 2025	Aug. 31, 2024
Debt Instrument [Line Items]
Letters of credit, outstanding					$ 0
Remaining borrowing capacity under revolving credit agreement			$ 2,200,000
Fair value of the Company's debt			8,800,000		9,000,000
Excess (shortfall) of fair value of debt over (from) carrying value			(57,900)		3,500
Surety Bond
Debt Instrument [Line Items]
Guarantee obligations			97,700		48,900
Revolving Credit Agreement
Debt Instrument [Line Items]
Amount available under credit facility			2,250,000
Maximum amount available under credit facility			3,250,000
Extended expiration of credit facility		1 year
Borrowings, outstanding			0		0
Letters of credit, outstanding			1,700		1,800
Swingline Loans
Debt Instrument [Line Items]
Maximum amount available under credit facility			75,000
Individual Issuer, Letter of Credit
Debt Instrument [Line Items]
Maximum amount available under credit facility			50,000
Aggregate Sublimit, Letters of Credit
Debt Instrument [Line Items]
Maximum amount available under credit facility			250,000
Master Extension Agreement
Debt Instrument [Line Items]
Credit facility expiration date		Nov. 15, 2028
Letter of Credit
Debt Instrument [Line Items]
Maximum amount available under credit facility					25,000
Borrowings, outstanding			150,500		141,600
Commercial paper
Debt Instrument [Line Items]
Commercial paper borrowings			805,500		580,000
3.125% Senior Notes due April 2026, effective interest rate 3.28%
Debt Instrument [Line Items]
Senior notes			$ 400,000		$ 400,000
Stated interest rate percentage			3.125%		3.125%
3.250% Senior Notes due April 2025, effective interest rate 3.36%
Debt Instrument [Line Items]
Senior notes					$ 400,000
Repayments of Debt	$ 400,000
Stated interest rate percentage	3.25%		3.25%		3.25%
3.625% Senior Notes due April 2025, effective interest rate 3.78%
Debt Instrument [Line Items]
Senior notes					$ 500,000
Repayments of Debt	$ 500,000
Stated interest rate percentage	3.625%		3.625%		3.625%
5.125% Senior Notes due June, 2030, effective interest rate 5.14%
Debt Instrument [Line Items]
Senior notes			$ 500,000	$ 500,000
Stated interest rate percentage			5.125%	5.125%	5.125%

AUTOZONE INC 10-Q