Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Narrative (Details)

v3.19.2
Long-Term Debt - Narrative (Details)
$ in Millions
6 Months Ended
Dec. 31, 2018
USD ($)
Jun. 30, 2019
USD ($)
item
Apr. 30, 2019
4% Exchangeable Senior Debentures Due 2029      
Long-term debt      
Interest rate (as a percent)   4.00%  
3.75% Exchangeable Senior Debentures Due 2030      
Long-term debt      
Interest rate (as a percent)   3.75%  
3.5% Exchangeable Senior Debentures Due 2031      
Long-term debt      
Interest rate (as a percent)   3.50%  
0.75% Exchangeable Senior Debentures due 2043      
Long-term debt      
Interest rate (as a percent)   0.75%  
QVC | Standby Letters of Credit      
Long-term debt      
Maximum borrowing capacity $ 450    
QVC | Amendment No. 4 QVC Bank Credit Facility      
Long-term debt      
Maximum borrowing capacity $ 3,650    
Number of quarters used in computing debt ratio | item   4  
Interest rate (as a percent)   3.90%  
Remaining borrowing capacity   $ 1,900  
QVC | Amendment No. 4 QVC Bank Credit Facility | Base Rate      
Long-term debt      
Debt Instrument, Description of Variable Rate Basis base rate    
QVC | Amendment No. 4 QVC Bank Credit Facility | Base Rate | Minimum      
Long-term debt      
Debt Instrument, Basis Spread on Variable Rate 0.25%    
QVC | Amendment No. 4 QVC Bank Credit Facility | Base Rate | Maximum      
Long-term debt      
Debt Instrument, Basis Spread on Variable Rate 0.75%    
QVC | Amendment No. 4 QVC Bank Credit Facility | LIBOR      
Long-term debt      
Debt Instrument, Description of Variable Rate Basis LIBOR    
QVC | Amendment No. 4 QVC Bank Credit Facility | LIBOR | Minimum      
Long-term debt      
Debt Instrument, Basis Spread on Variable Rate 1.25%    
QVC | Amendment No. 4 QVC Bank Credit Facility | LIBOR | Maximum      
Long-term debt      
Debt Instrument, Basis Spread on Variable Rate 1.75%    
QVC | Uncommitted Incremental Revolving Loan Commitments or Incremental Term Loans      
Long-term debt      
Maximum borrowing capacity $ 1,500    
QVC | Portion of Credit Facility Available to QVC or zulily      
Long-term debt      
Maximum borrowing capacity 400    
QVC | Portion of Credit Facility Available to QVC or zulily | Standby Letters of Credit      
Long-term debt      
Maximum borrowing capacity 50    
QVC | Portion of Credit Facility Available Only to QVC      
Long-term debt      
Maximum borrowing capacity $ 3,250    
QVC | Credit Facility Portion Available to Zulily And Letters Of Credit      
Long-term debt      
Remaining borrowing capacity   $ 400  
QVC | QVC 3.125% Senior Secured Notes Due 2019      
Long-term debt      
Interest rate (as a percent) 3.125%   3.125%