Annual report pursuant to Section 13 and 15(d)

Information About Liberty's Operating Segments - Revenue and Long-Lived Assets by Geographic Area (Details)

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Information About Liberty's Operating Segments - Revenue and Long-Lived Assets by Geographic Area (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue $ 9,363 $ 10,292 $ 8,040
Long-Lived Assets 2,239 2,262  
UNITED STATES      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 8,121 8,172 6,112
Long-Lived Assets 2,221 2,246  
UNITED KINGDOM      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue 1,145 2,022 1,831
Long-Lived Assets 18 16  
Other      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenue $ 97 $ 98 $ 97