Annual report pursuant to Section 13 and 15(d)

Information About Liberty's Operating Segments - Other Information (Details)

v3.8.0.1
Information About Liberty's Operating Segments - Other Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Operating Activities And Reporting Information By Segment [Line Items]      
Assets $ 41,996 $ 31,377  
Investments in affiliates, accounted for using the equity method 1,750 1,117  
Capital expenditures 517 568 $ 296
Elimination      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets (202) (217)  
Formula 1      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets 9,461    
Capital expenditures 8    
Liberty Sirius XM Group      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets 28,530 27,051  
Investments in affiliates, accounted for using the equity method 672 164  
Capital expenditures 288 206 135
Liberty Sirius XM Group | SIRIUS XM      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets 27,837 26,978  
Investments in affiliates, accounted for using the equity method 672 164  
Capital expenditures 288 206  
Liberty Sirius XM Group | Corporate And Other      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets 693 73  
Braves Group      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets 1,866 1,548  
Investments in affiliates, accounted for using the equity method 145 61  
Capital expenditures 219 360 128
Braves Group | Corporate And Other      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets 1,866 1,548  
Investments in affiliates, accounted for using the equity method 145 61  
Capital expenditures 219 360  
Formula One Group      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets 11,802 2,995  
Investments in affiliates, accounted for using the equity method 933 892  
Capital expenditures 10 2 $ 33
Formula One Group | Corporate And Other      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets 2,341 2,995  
Investments in affiliates, accounted for using the equity method 933 892  
Capital expenditures $ 2 $ 2