Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Narrative (Details)

v3.19.1
Long-Term Debt - Narrative (Details)
$ in Millions
3 Months Ended
Dec. 31, 2018
USD ($)
Mar. 31, 2019
USD ($)
item
Long-term debt    
Long-term debt $ 7,373 $ 7,443
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   $ 2,200
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