Annual report pursuant to Section 13 and 15(d)

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

v3.10.0.1
Information About Liberty's Operating Segments - Other Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Operating Activities And Reporting Information By Segment [Line Items]      
Assets $ 40,828 $ 41,996  
Investments in affiliates, accounted for using the equity method 1,641 1,750  
Capital expenditures 403 517 $ 568
Elimination      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets (226) (202)  
Liberty Sirius XM Group      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets 28,292 28,530  
Investments in affiliates, accounted for using the equity method 629 672  
Capital expenditures 356 288 206
Liberty Sirius XM Group | SIRIUS XM      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets 27,812 27,837  
Investments in affiliates, accounted for using the equity method 629 672  
Capital expenditures 356 288  
Liberty Sirius XM Group | Corporate And Other      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets 480 693  
Braves Group      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets 1,805 1,866  
Investments in affiliates, accounted for using the equity method 92 145  
Capital expenditures 33 219 360
Braves Group | Corporate And Other      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets 1,805 1,866  
Investments in affiliates, accounted for using the equity method 92 145  
Capital expenditures 33 219  
Formula One Group      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets 10,957 11,802  
Investments in affiliates, accounted for using the equity method 920 933  
Capital expenditures 14 10 $ 2
Formula One Group | Formula 1      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets 8,958 9,461  
Capital expenditures 12 8  
Formula One Group | Corporate And Other      
Operating Activities And Reporting Information By Segment [Line Items]      
Assets 1,999 2,341  
Investments in affiliates, accounted for using the equity method 920 933  
Capital expenditures $ 2 $ 2