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Revenue Recognition - Summary of Disaggregation of Revenue (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Disaggregation of Revenue [Line Items] |  |
Total Revenues | $ 1,488 | $ 1,614
Operating Segments | U.S. |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 672 | 723
Operating Segments | International |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 817 | 892
Intersegment eliminations |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | (1) | (1)
Recorded Music | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 1,239 | 1,386
Recorded Music | Operating Segments | U.S. |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 539 | 608
Recorded Music | Operating Segments | International |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 700 | 778
Recorded Music | Digital | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 803 | 870
Recorded Music | Physical | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 133 | 195
Recorded Music | Total Digital and Physical | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 936 | 1,065
Recorded Music | Artist services and expanded-rights | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 206 | 232
Recorded Music | Licensing | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 97 | 89
Music Publishing | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 250 | 229
Music Publishing | Operating Segments | U.S. |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 133 | 115
Music Publishing | Operating Segments | International |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 117 | 114
Music Publishing | Digital | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 149 | 133
Music Publishing | Performance | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 45 | 38
Music Publishing | Mechanical | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 14 | 14
Music Publishing | Synchronization | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 39 | 42
Music Publishing | Other | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | $ 3 | $ 2

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