Quarterly report pursuant to Section 13 or 15(d)

Information About Liberty's Operating Segments (Details)

v3.8.0.1
Information About Liberty's Operating Segments (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Operating Activities And Reporting Information By Segment [Line Items]    
Revenue $ 1,517 $ 1,395
Adjusted OIBDA 489 467
Liberty Sirius XM Group    
Operating Activities And Reporting Information By Segment [Line Items]    
Revenue 1,375 1,294
Adjusted OIBDA 525 496
Liberty Sirius XM Group | SIRIUS XM    
Operating Activities And Reporting Information By Segment [Line Items]    
Revenue 1,375 1,294
Adjusted OIBDA 530 500
Liberty Sirius XM Group | Corporate And Other    
Operating Activities And Reporting Information By Segment [Line Items]    
Adjusted OIBDA (5) (4)
Braves Group    
Operating Activities And Reporting Information By Segment [Line Items]    
Revenue 28 5
Adjusted OIBDA (35) (29)
Braves Group | Corporate And Other    
Operating Activities And Reporting Information By Segment [Line Items]    
Revenue 28 5
Adjusted OIBDA (35) (29)
Formula One Group    
Operating Activities And Reporting Information By Segment [Line Items]    
Revenue 114 96
Adjusted OIBDA (1)  
Formula One Group | Formula 1    
Operating Activities And Reporting Information By Segment [Line Items]    
Revenue 114 96
Adjusted OIBDA 3 18
Formula One Group | Corporate And Other    
Operating Activities And Reporting Information By Segment [Line Items]    
Adjusted OIBDA $ (4) $ (18)