XML 46 R34.htm IDEA: XBRL DOCUMENT
v3.22.1

Financing - Schedule of Debt - Interest Rates And Maturity (Details) |  | 8 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 18, 2022 | May 07, 2022 | Aug. 28, 2021
3.700% Senior Notes due April 2022, effective interest rate of 3.85% |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate percentage | 3.70% | 3.70% | 3.70%
Debt instrument maturity, month and year | 2022-04 | 2022-04 | 2022-04
Effective interest rate |  | 3.85% | 3.85%
2.875% Senior Notes due January 2023, effective interest rate of 3.21% |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate percentage |  | 2.875% | 2.875%
Debt instrument maturity, month and year |  | 2023-01 | 2023-01
Effective interest rate |  | 3.21% | 3.21%
3.125% Senior Notes due July 2023, effective interest rate of 3.26% |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate percentage |  | 3.125% | 3.125%
Debt instrument maturity, month and year |  | 2023-07 | 2023-07
Effective interest rate |  | 3.26% | 3.26%
3.125% Senior Notes due April 2024, effective interest rate 3.32% |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate percentage |  | 3.125% | 3.125%
Debt instrument maturity, month and year |  | 2024-04 | 2024-04
Effective interest rate |  | 3.32% | 3.32%
3.250% Senior Notes due April 2025, effective interest rate 3.36% |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate percentage |  | 3.25% | 3.25%
Debt instrument maturity, month and year |  | 2025-04 | 2025-04
Effective interest rate |  | 3.36% | 3.36%
3.625% Senior Notes due April 2025, effective interest rate 3.78% |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate percentage |  | 3.625% | 3.625%
Debt instrument maturity, month and year |  | 2025-04 | 2025-04
Effective interest rate |  | 3.78% | 3.78%
3.125% Senior Notes due April 2026, effective interest rate of 3.28% |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate percentage |  | 3.125% | 3.125%
Debt instrument maturity, month and year |  | 2026-04 | 2026-04
Effective interest rate |  | 3.28% | 3.28%
3.750% Senior Notes due June 2027, effective interest rate of 3.83% |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate percentage |  | 3.75% | 3.75%
Debt instrument maturity, month and year |  | 2027-06 | 2027-06
Effective interest rate |  | 3.83% | 3.83%
3.750% Senior Notes due April 2029, effective interest rate of 3.86% |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate percentage |  | 3.75% | 3.75%
Debt instrument maturity, month and year |  | 2029-04 | 2029-04
Effective interest rate |  | 3.86% | 3.86%
4.000% Senior Notes due April 2030, effective interest rate 4.09% |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate percentage |  | 4.00% | 4.00%
Debt instrument maturity, month and year |  | 2030-04 | 2030-04
Effective interest rate |  | 4.09% | 4.09%
1.650% Senior Notes due January 2031, effective interest rate of 2.19% |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate percentage |  | 1.65% | 1.65%
Debt instrument maturity, month and year |  | 2031-01 | 2031-01
Effective interest rate |  | 2.19% | 2.19%
Commercial paper, weighted average interest rate of .80% at May 7, 2022 |  |  |
Debt Instrument [Line Items] |  |  |
Weighted average interest rate of commercial paper |  | 0.80% |

X
- Definition Maturity date (by month and year) for debt instrument. + References No definition available. + Details
Name: | azo_DebtInstrumentMaturityMonthAndYear
Namespace Prefix: | azo_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average interest rate of long-term debt outstanding calculated at point in time. + References No definition available. + Details
Name: | us-gaap_LongtermDebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentAxis=azo_SeniorNotesTenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=azo_SeniorNotesElevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=azo_SeniorNotesTwelveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=azo_SeniorNotesThirteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=azo_SeniorNotesFifteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=azo_SeniorNotesTwentyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=azo_SeniorNotesSeventeenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=azo_SeniorNotesEighteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=azo_SeniorNotesNineteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=azo_SeniorNotesTwentyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=azo_SeniorNotesTwentyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=us-gaap_CommercialPaperMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |