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Revenue Recognition - Summary of Disaggregation of Revenue (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | $ 5,919 | $ 5,301 | $ 4,463
United States |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 2,744 | 2,363 | 1,934
Operating Segments | United States |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 2,744 | 2,363 | 1,934
Operating Segments | International |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 3,180 | 2,942 | 2,533
Intersegment eliminations |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | (5) | (4) | (4)
Recorded Music | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 4,966 | 4,544 | 3,810
Recorded Music | Operating Segments | United States |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 2,231 | 1,985 | 1,609
Recorded Music | Operating Segments | International |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 2,735 | 2,559 | 2,201
Recorded Music | Digital | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 3,305 | 3,105 | 2,568
Recorded Music | Physical | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 563 | 549 | 434
Recorded Music | Total Digital and Physical | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 3,868 | 3,654 | 3,002
Recorded Music | Artist services and expanded-rights | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 767 | 599 | 525
Recorded Music | Licensing | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 331 | 291 | 283
Music Publishing | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 958 | 761 | 657
Music Publishing | Operating Segments | United States |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 513 | 378 | 325
Music Publishing | Operating Segments | International |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 445 | 383 | 332
Music Publishing | Digital | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 563 | 436 | 337
Music Publishing | Performance | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 159 | 122 | 142
Music Publishing | Mechanical | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 50 | 49 | 48
Music Publishing | Synchronization | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | 172 | 144 | 119
Music Publishing | Other | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total Revenues | $ 14 | $ 10 | $ 11

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