Quarterly report pursuant to Section 13 or 15(d)

Goodwill - Narrative (Details)

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Goodwill - Narrative (Details)
3 Months Ended
Mar. 31, 2024
USD ($)
reporting_unit
Mar. 31, 2023
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2008
USD ($)
Business Acquisition [Line Items]          
Number of reporting units | reporting_unit 2        
Goodwill $ 3,249,000,000   $ 3,249,000,000    
Goodwill, impairment loss 0 $ 0      
Accumulated impairment of goodwill since the merger 5,722,000,000        
Sirius XM          
Business Acquisition [Line Items]          
Goodwill $ 2,290,000,000        
Accumulated impairment of goodwill since the merger         $ 4,766,000,000
Pandora and Off-platform          
Business Acquisition [Line Items]          
Goodwill     $ 959,000,000    
Accumulated impairment of goodwill since the merger       $ 956,000,000