XML 87 R68.htm IDEA: XBRL DOCUMENT
v3.23.3

Debt - Debt Capitalization Narrative (Details) | Sep. 30, 2023 | Sep. 30, 2022 | Nov. 24, 2021 | Sep. 30, 2021
--- | --- | --- | --- | ---
Revolving Credit Facility | Line of Credit |  |  |  |
Short-Term Debt [Line Items] |  |  |  |
Debt instrument, covenant, total indebtedness to EBITDA ratio | 3.50 |  |  |
2.750% Senior Secured Notes due 2028 | Acquisition Corp. |  |  |  |
Short-Term Debt [Line Items] |  |  |  |
Interest rate (as a percent) | 2.75% |  |  |
3.750% Senior Secured Notes |  |  |  |
Short-Term Debt [Line Items] |  |  |  |
Interest rate (as a percent) | 3.75% | 3.75% |  | 3.75%
3.750% Senior Secured Notes | Acquisition Corp. |  |  |  |
Short-Term Debt [Line Items] |  |  |  |
Interest rate (as a percent) | 3.75% |  | 3.75% |
3.875% Senior Secured Notes due 2030 | Acquisition Corp. |  |  |  |
Short-Term Debt [Line Items] |  |  |  |
Interest rate (as a percent) | 3.875% |  |  |
2.250% Senior Secured Notes |  |  |  |
Short-Term Debt [Line Items] |  |  |  |
Interest rate (as a percent) | 2.25% | 2.25% |  | 2.25%
2.250% Senior Secured Notes | Acquisition Corp. |  |  |  |
Short-Term Debt [Line Items] |  |  |  |
Interest rate (as a percent) | 2.25% |  |  |
3.000% Senior Secured Notes due 2031 |  |  |  |
Short-Term Debt [Line Items] |  |  |  |
Interest rate (as a percent) | 3.00% | 3.00% |  | 3.00%
3.000% Senior Secured Notes due 2031 | Acquisition Corp. |  |  |  |
Short-Term Debt [Line Items] |  |  |  |
Interest rate (as a percent) | 3.00% |  |  |

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + 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_ShortTermDebtLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Covenant Terms, Total Indebtedness To EBITDA Ratio + References No definition available. + Details
Name: | wmg_DebtInstrumentCovenantTotalIndebtednessToEBITDARatio
Namespace Prefix: | wmg_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | dei_LegalEntityAxis=wmg_AcquisitionCorpIssuerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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