XML 7 R1.htm IDEA: XBRL DOCUMENT v3.25.1
Document and Entity Information
Apr. 10, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Apr. 10, 2025
Entity Registrant Name Warner Music Group Corp.
Entity Incorporation State Country Code DE
Entity File Number 001-32502
Entity Tax Identification Number 13-4271875
Entity Address Address Line 1 1633 Broadway
Entity Address City Or Town New York
Entity Address State Or Province NY
Entity Address Postal Zip Code 10019
City Area Code 212
Local Phone Number 275-2000
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Class A Common Stock
Trading Symbol WMG
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Amendment Flag false
Entity Central Index Key 0001319161