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
 3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total revenue $ 2,619 $ 2,856 $ 2,805 $ 2,012 $ 2,009 $ 2,315 $ 2,199 $ 1,517 $ 10,292 $ 8,040 $ 7,594
Long-Lived Assets 2,262       2,469       2,262 2,469  
UNITED STATES                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total revenue                 8,172 6,112 5,724
Long-Lived Assets 2,246       2,457       2,246 2,457  
UNITED KINGDOM                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total revenue                 2,022 1,831 1,783
Long-Lived Assets $ 16       $ 12       16 12  
Other                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Total revenue                 $ 98 $ 97 $ 87