Annual report [Section 13 and 15(d), not S-K Item 405]

Summary of Significant Accounting Policies - Revenue recognition - Disaggregation of revenue - Braves Holdings (Details)

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Summary of Significant Accounting Policies - Revenue recognition - Disaggregation of revenue - Braves Holdings (Details)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2024
USD ($)
Sep. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Mar. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Sep. 30, 2023
USD ($)
Jun. 30, 2023
USD ($)
Mar. 31, 2023
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
item
Dec. 31, 2022
USD ($)
Revenue disaggregated by source                      
Revenue $ 1,167 $ 911 $ 988 $ 587 $ 1,230 $ 936 $ 994 $ 412 $ 3,653 $ 3,572 $ 3,161
Number of MLB clubs | item                   30  
Braves Holdings                      
Revenue disaggregated by source                      
Revenue                   $ 350 588
Braves Holdings | Baseball                      
Revenue disaggregated by source                      
Revenue                   318 535
Braves Holdings | Mixed-Use Development                      
Revenue disaggregated by source                      
Revenue                   $ 32 $ 53