Quarterly report pursuant to Section 13 or 15(d)

Benefit Plans - 401(k) Savings Plan (Narrative) (Details)

v3.24.2.u1
Benefit Plans - 401(k) Savings Plan (Narrative) (Details) - Sirius XM Savings Plan - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2024
Defined Benefit Plan Disclosure [Line Items]    
Minimum of employee contributions of pre-tax eligible earnings to company 401(k) savings plan   1.00%
Maximum of employee contributions of pre-tax eligible earnings to company 401(k) savings plan   50.00%
Percent of Company match of employee's voluntary contributions   50.00%
Percent of employee's pre-tax salary   6.00%
Maximum annual contributions per employee, percent   3.00%
Vesting percentage of employer contributions for each year of employment   33.33%
Savings plan, fully vested period   3 years
Recognized cost $ 5 $ 11