Annual report pursuant to Section 13 and 15(d)

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

v3.8.0.1
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, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue $ 1,994 $ 2,065 $ 2,140 $ 1,395 $ 1,321 $ 1,385 $ 1,366 $ 1,204 $ 7,594 $ 5,276 $ 4,795
Long-Lived Assets 2,541       2,352       2,541 2,352  
UNITED STATES                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 5,724 5,230 4,739
Long-Lived Assets 2,529       $ 2,352       2,529 2,352  
UNITED KINGDOM                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 1,783    
Long-Lived Assets $ 12               12    
Other                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 $ 87 $ 46 $ 56