Quarterly report pursuant to Section 13 or 15(d)

Cover

v3.24.3
Cover - shares
 9 Months Ended
Sep. 30, 2024
Oct. 29, 2024
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2024  
Document Transition Report false  
Entity File Number 333-276758  
Entity Registrant Name Sirius XM Holdings Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 93-4680139  
Entity Address, Address Line One 1221 Avenue of the Americas, 35th Floor  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10020  
City Area Code 212  
Local Phone Number 584-5100  
Title of 12(b) Security Common stock, $0.001 par value  
Trading Symbol SIRI  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Central Index Key 0000908937  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   339,202,065
Former Address    
Document Information [Line Items]    
Entity Address, Address Line One 12300 Liberty Boulevard  
Entity Address, City or Town Englewood  
Entity Address, State or Province CO  
Entity Address, Postal Zip Code 80112