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Commitments and Contingencies - Narrative (Details) $ in Millions |  |  |  |  | 1 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | ---
Jul. 09, 2025 plaintiff | Jun. 18, 2025 plaintiff | Jul. 03, 2024 plaintiff | Jun. 01, 2024 plaintiff | Jul. 31, 2025 USD ($) | Jun. 30, 2023 plaintiff | Sep. 30, 2025 USD ($) plaintiff satellite
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of replacement satellites | satellite |  |  |  |  |  |  | 2
Clean Energy Technology Investments |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Elected commitment |  |  |  |  |  |  | $ 664
Equity method investment liability, remainder of fiscal year |  |  |  |  |  |  | $ 17
American Arbitration Association |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of claimants | plaintiff | 11,000 |  | 12,000 | 7,628 |  | 70,000 |
California Unruh Civil Rights Act Mass Arbitration. |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of claimants | plaintiff |  |  |  |  |  |  | 41,000
Order Compelling Arbitration |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of claimants | plaintiff |  | 2,216 |  |  |  |  | 26,000
Do-Not-Call Litigation |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Value of settlement |  |  |  |  | $ 28 |  |
California Unruh Civil Rights Act Mass Arbitration, American Arbitration Association |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of claimants | plaintiff |  | 23,821 |  |  |  |  |
Music Royalty And Podcast Content Minimum Gaurantee |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Future minimum guarantee payments |  |  |  |  |  |  | $ 550
Other commitment, to be paid, year one |  |  |  |  |  |  | $ 97
Minimum |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Operating lease obligations, term (years) |  |  |  |  |  |  | 1 year
Maximum |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Operating lease obligations, term (years) |  |  |  |  |  |  | 15 years
XM-5, SIRIUS FM-5, SIRIUS FM-6, and SXM-8 |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Operating performance over design life |  |  |  |  |  |  | 15 years

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