Quarterly report pursuant to Section 13 or 15(d)

Information About Liberty's Operating Segments (Details)

v3.10.0.1
Information About Liberty's Operating Segments (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2018
USD ($)
item
Sep. 30, 2017
USD ($)
Operating Activities And Reporting Information By Segment [Line Items]        
Revenue $ 2,315 $ 2,065 $ 6,031 $ 5,600
Adjusted OIBDA 811 695 $ 2,027 1,860
SIRIUS XM        
Operating Activities And Reporting Information By Segment [Line Items]        
Number of satellite systems | item     2  
Formula 1        
Operating Activities And Reporting Information By Segment [Line Items]        
Duration of World Championship     9 months  
Liberty Sirius XM Group        
Operating Activities And Reporting Information By Segment [Line Items]        
Revenue 1,468 1,379 $ 4,275 4,021
Adjusted OIBDA 583 543 1,644 1,555
Liberty Sirius XM Group | SIRIUS XM        
Operating Activities And Reporting Information By Segment [Line Items]        
Revenue 1,468 1,379 4,275 4,021
Adjusted OIBDA 587 549 1,659 1,568
Liberty Sirius XM Group | Corporate And Other        
Operating Activities And Reporting Information By Segment [Line Items]        
Adjusted OIBDA (4) (6) (15) (13)
Braves Group        
Operating Activities And Reporting Information By Segment [Line Items]        
Revenue 200 185 410 366
Adjusted OIBDA 72 48 100 46
Braves Group | Corporate And Other        
Operating Activities And Reporting Information By Segment [Line Items]        
Revenue 200 185 410 366
Adjusted OIBDA 72 48 100 46
Formula One Group        
Operating Activities And Reporting Information By Segment [Line Items]        
Revenue 647 501 1,346 1,213
Adjusted OIBDA 156 104 283 259
Formula One Group | Formula 1        
Operating Activities And Reporting Information By Segment [Line Items]        
Revenue 647 501 1,346 1,213
Adjusted OIBDA 158 106 295 288
Formula One Group | Corporate And Other        
Operating Activities And Reporting Information By Segment [Line Items]        
Adjusted OIBDA $ (2) $ (2) $ (12) $ (29)