Summary of Significant Accounting Policies - Recent Accounting Pronouncements (Details) - SIRIUS XM - ASU 2016-02 - Forecast $ in Millions |
Jan. 01, 2019
USD ($)
|
|---|---|
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |
| Operating lease right of use assets | $ 360 |
| Operating lease liability | $ 370 |
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|