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v3.24.3

Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022
Accounting Policies [Line Items] |  |  |
Total assets | $ 9,155 | $ 8,545 |
Total liabilities | 8,480 | 8,115 |
Foreign currency transaction gain (loss) recognized | 2 | 4 | $ (11)
Foreign currency transaction gain (loss) recognized in other income (expense) | (72) | (37) | 185
Advertising expense | $ 119 | $ 136 | $ 155
Award requisite service period | 4 years |  |
Performance Share Units PSU |  |  |
Accounting Policies [Line Items] |  |  |
Award requisite service period | 3 years |  |
Furniture and fixtures | Minimum |  |  |
Accounting Policies [Line Items] |  |  |
Property plant and equipment useful life | 5 years |  |
Furniture and fixtures | Maximum |  |  |
Accounting Policies [Line Items] |  |  |
Property plant and equipment useful life | 7 years |  |
Computer Equipment | Maximum |  |  |
Accounting Policies [Line Items] |  |  |
Property plant and equipment useful life | 5 years |  |
Machinery and equipment | Maximum |  |  |
Accounting Policies [Line Items] |  |  |
Property plant and equipment useful life | 13 years |  |
Building | Maximum |  |  |
Accounting Policies [Line Items] |  |  |
Property plant and equipment useful life | 40 years |  |
Spotify | Accounts Receivable | Credit Concentration Risk |  |  |
Accounting Policies [Line Items] |  |  |
Customer concentration percentage (as a percent) | 18.00% | 18.00% |
Variable Interest Entity, Primary Beneficiary |  |  |
Accounting Policies [Line Items] |  |  |
Total assets | $ 77 | $ 5 |
Total liabilities | $ 2 | $ 2 |

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