Quarterly report pursuant to Section 13 or 15(d)

Debt - (Margin Loan) (Details)

v3.19.2
Debt - (Margin Loan) (Details) - USD ($)
3 Months Ended 6 Months Ended
Oct. 05, 2018
Dec. 29, 2017
Dec. 31, 2018
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Debt Instrument [Line Items]            
Distributions to Qurate Retail       $ 3,365,000   $ 1,124,660,000
Repayments of credit facility         $ 332,071,000 $ 84,971,000
Revolving Credit Facility            
Debt Instrument [Line Items]            
Repayments of credit facility     $ 100,000,000.0      
Broadband Holdco, LLC | Revolving Credit Facility            
Debt Instrument [Line Items]            
Line of credit outstanding balance $ 200,000,000.0          
Broadband Holdco, LLC | Term Loan Facility            
Debt Instrument [Line Items]            
Line of credit outstanding balance $ 800,000,000.0          
Broadband Holdco, LLC | LIBOR            
Debt Instrument [Line Items]            
Variable interest rate 1.85%          
Broadband Holdco, LLC | Series C Common Stock            
Debt Instrument [Line Items]            
Number of shares pledged as collateral (in shares)         42,681,842  
Value of shares pledged as collateral         $ 4,400,000,000  
Broadband Holdco, LLC | Margin Loan Facility            
Debt Instrument [Line Items]            
Line of credit availability   $ 1,000,000,000        
Term of debt   2 years        
Undrawn commitment fee   0.75%        
Broadband Holdco, LLC | Margin Loan Facility | Revolving Credit Facility            
Debt Instrument [Line Items]            
Line of credit availability $ 200,000,000.0          
Broadband Holdco, LLC | Margin Loan Facility | LIBOR            
Debt Instrument [Line Items]            
Variable interest rate   1.85%        
Qurate Retail            
Debt Instrument [Line Items]            
Distributions to Qurate Retail   $ 1,100,000,000