v3.26.1
Segment Information - Schedule of Segment Information (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Revenues $ 1,864 $ 1,689 $ 5,436 $ 4,839
Cost of revenue 1,010 913 2,927 2,598
Selling and marketing expense 164 167 486 482
Distribution expense 36 22 97 71
General and administrative expense 264 282 799 842
Restructuring & Impairment 7 69 47 109
Amortization expense 78 67 218 186
Net loss on divestitures 0 0 5 0
Operating income (loss) 305 169 857 551
Loss on extinguishment of debt 0 0 7 0
Interest expense, net 49 43 135 119
Other expense, net (11) 137 (52) 48
Income (loss) before income taxes 267 (11) 767 384
Depreciation expense 33 29 95 86
Operating Segments | Recorded Music        
Segment Reporting [Line Items]        
Revenues 1,488 1,354 4,348 3,874
Cost of revenue 777 706 2,244 1,991
Selling and marketing expense 159 161 468 461
Distribution expense 36 22 97 71
General and administrative expense 141 162 448 503
Restructuring & Impairment 6 69 34 110
Amortization expense 43 33 114 96
Net loss on divestitures 0   0  
Operating income (loss) 326 201 943 642
Depreciation expense 10 14 32 42
Operating Segments | Music Publishing        
Segment Reporting [Line Items]        
Revenues 377 336 1,092 969
Cost of revenue 235 208 687 612
Selling and marketing expense 2 1 4 3
Distribution expense 0 0 0 0
General and administrative expense 34 33 100 98
Restructuring & Impairment 0 0 0 0
Amortization expense 35 34 104 89
Net loss on divestitures 0   0  
Operating income (loss) 71 60 197 167
Depreciation expense 2 1 3 4
Corporate expenses and eliminations        
Segment Reporting [Line Items]        
Revenues (1) (1) (4) (4)
Cost of revenue (2) (1) (4) (5)
Selling and marketing expense 3 5 14 18
Distribution expense 0 0 0 0
General and administrative expense 89 87 251 241
Restructuring & Impairment 1 0 13 (1)
Amortization expense 0 0 0 1
Net loss on divestitures 0   5  
Operating income (loss) (92) (92) (283) (258)
Depreciation expense $ 21 $ 14 $ 60 $ 40