Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Narrative) (Details)

v3.7.0.1
Long-Term Debt (Narrative) (Details)
 1 Months Ended 3 Months Ended 12 Months Ended
Oct. 05, 2016
USD ($)
Jun. 23, 2016
USD ($)
Aug. 31, 2016
USD ($)
$ / shares
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
Proceeds from Issuance of Long-term Debt       $ 499,000,000 $ 623,000,000  
1% Exchangeable Senior Debentures due 2043            
Debt Instrument, Face Amount       1,000    
Repayments of Debt $ 345,000,000          
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]            
Interest rate (as a percent)     1.75%      
1.75% Exchangeable Senior Debentures due 2046 [Member] | Charter            
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            
Proceeds from Issuance of Long-term Debt       $ 499,000,000 515,000,000  
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 | 1% Exchangeable Senior Debentures due 2043            
Interest rate (as a percent)       1.00%    
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)       2.50%    
Maximum Borrowing Capacity   $ 2,650,000,000        
Remaining borrowing capacity       $ 941,000,000    
QVC Group Common Stock | Standby Letters of Credit            
Maximum Borrowing Capacity   300,000,000        
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        
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            
Proceeds from Issuance of Long-term Debt         $ 108,000,000  
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]            
Debt Instrument, Face Amount     $ 750,000,000      
Interest rate (as a percent)       1.75%