v3.24.3
Comprehensive Income (Loss) - Narrative (Details)
$ in Millions
12 Months Ended
Sep. 30, 2024
USD ($)
Equity [Abstract]
Changes in accumulated other comprehensive loss, net of related tax benefit
$ 2
X
- References
No definition available.
+ Details
Name:
us-gaap_EquityAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration
X
- Definition
Changes in accumulated other comprehensive income loss net of related tax.
+ References
No definition available.
+ Details
Name:
wmg_ChangesInAccumulatedOtherComprehensiveIncomeLossNetOfRelatedTax
Namespace Prefix:
wmg_
Data Type:
xbrli:monetaryItemType
Balance Type:
credit
Period Type:
duration