Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Narrative) (Details)

v3.8.0.1
Long-Term Debt (Narrative) (Details)
1 Months Ended 12 Months Ended
Jun. 23, 2016
USD ($)
Aug. 31, 2016
USD ($)
$ / shares
Dec. 31, 2016
USD ($)
Sep. 30, 2017
USD ($)
Apr. 04, 2017
USD ($)
0.75% Exchangeable Senior Debentures due 2043          
Debt exchanged     $ 523,000,000    
Repayments of Debt     1,181,000,000    
Extraordinary Distribution to Bondholder     $ 325,000,000    
1.75% Exchangeable Senior Debentures due 2046 [Member] | Charter          
Debt Instrument, Face Amount   $ 750,000,000      
Interest rate (as a percent)   1.75%      
Debt Instrument, Convertible, Conversion Ratio   2.9317      
Exchange Price of Shares Attributable to Debentures | $ / shares   $ 341.10      
1.75% Exchangeable Senior Debentures due 2046 [Member] | Charter          
Debt Instrument, Face Amount   $ 1,000      
QVC Group Common Stock | 8.5% Senior Debentures Due 2029          
Interest rate (as a percent)       8.50%  
QVC Group Common Stock | 8.25% Senior Debentures Due 2030          
Interest rate (as a percent)       8.25%  
QVC Group Common Stock | QVC 3.125% Senior Secured Notes Due 2019 [Member]          
Interest rate (as a percent)       3.125%  
QVC Group Common Stock | QVC 5.125% Senior Secured Notes Due 2022 [Member]          
Interest rate (as a percent)       5.125%  
QVC Group Common Stock | QVC 4.375% Senior Secured Notes due 2023          
Interest rate (as a percent)       4.375%  
QVC Group Common Stock | QVC 4.85% Senior Secured Notes Due 2024 [Member]          
Interest rate (as a percent)       4.85%  
QVC Group Common Stock | QVC 4.45% Senior Secured Notes Due 2025 [Member]          
Interest rate (as a percent)       4.45%  
QVC Group Common Stock | QVC 5.45% Senior Secured Notes Due 2034 [Member]          
Interest rate (as a percent)       5.45%  
QVC Group Common Stock | QVC 5.95% Senior Secured Notes due 2043          
Interest rate (as a percent)       5.95%  
QVC Group Common Stock | Amendment No. 3 QVC Bank Credit Facility          
Interest rate (as a percent)       2.70%  
Maximum Borrowing Capacity $ 2,650,000,000        
Remaining borrowing capacity       $ 950,000,000  
QVC Group Common Stock | Standby Letters of Credit          
Maximum Borrowing Capacity 300,000,000        
QVC Group Common Stock | Standby Letters of Credit | Portion of Credit Facility Available to QVC and zulily          
Maximum Borrowing Capacity 50,000,000        
QVC Group Common Stock | Uncommitted Incremental Revolving Loan Commitments or Incremental Term Loans          
Maximum Borrowing Capacity 1,500,000,000        
QVC Group Common Stock | Portion of Credit Facility Available Only to QVC          
Maximum Borrowing Capacity 2,250,000,000        
QVC Group Common Stock | Portion of Credit Facility Available to QVC and zulily          
Maximum Borrowing Capacity 400,000,000        
Remaining borrowing capacity       $ 400,000,000  
QVC Group Common Stock | Portion of Credit Facility that matures on March 9, 2020 [Member]          
Maximum Borrowing Capacity $ 140,000,000        
QVC Group Common Stock | Minimum | LIBOR | Amendment No. 3 QVC Bank Credit Facility          
Debt Instrument, Basis Spread on Variable Rate 1.25%        
QVC Group Common Stock | Minimum | ABR | Amendment No. 3 QVC Bank Credit Facility          
Debt Instrument, Basis Spread on Variable Rate 0.25%        
QVC Group Common Stock | Maximum | LIBOR | Amendment No. 3 QVC Bank Credit Facility          
Debt Instrument, Basis Spread on Variable Rate 1.75%        
QVC Group Common Stock | Maximum | ABR | Amendment No. 3 QVC Bank Credit Facility          
Debt Instrument, Basis Spread on Variable Rate 0.75%        
Liberty Ventures common stock | 4% Exchangeable Senior Debentures Due 2029          
Interest rate (as a percent)       4.00%  
Liberty Ventures common stock | 3.75% Exchangeable Senior Debentures Due 2030          
Interest rate (as a percent)       3.75%  
Liberty Ventures common stock | 3.5% Exchangeable Senior Debentures Due 2031          
Interest rate (as a percent)       3.50%  
Liberty Ventures common stock | 0.75% Exchangeable Senior Debentures due 2043          
Interest rate (as a percent)       0.75%  
Liberty Ventures common stock | 1.75% Exchangeable Senior Debentures due 2046 [Member]          
Interest rate (as a percent)       1.75%  
Liberty Ventures common stock | Ventures Margin Loan          
Maximum Borrowing Capacity         $ 1,000,000,000