Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Narrative (Details)

v3.21.2
Long-Term Debt - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2021
Oct. 27, 2021
Oct. 26, 2021
Dec. 31, 2018
Long-term debt        
Outstanding principal $ 6,764      
QVC | Amendment No. 4 QVC Bank Credit Facility        
Long-term debt        
Maximum borrowing capacity   $ 3,250 $ 2,950 $ 2,950
QVC | Amendment No. 4 QVC Bank Credit Facility | Alternate Base Rate        
Long-term debt        
Debt Instrument, Description of Variable Rate Basis alternate base      
QVC | Amendment No. 4 QVC Bank Credit Facility | Alternate Base Rate | Minimum [Member]        
Long-term debt        
Debt Instrument, Basis Spread on Variable Rate 0.25%      
QVC | Amendment No. 4 QVC Bank Credit Facility | Alternate Base Rate | Maximum [Member]        
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 [Member]        
Long-term debt        
Debt Instrument, Basis Spread on Variable Rate 1.25%      
QVC | Amendment No. 4 QVC Bank Credit Facility | LIBOR | Maximum [Member]        
Long-term debt        
Debt Instrument, Basis Spread on Variable Rate 1.75%      
QVC | Amendment No. 4 QVC Bank Credit Facility | Standby Letters of Credit        
Long-term debt        
Maximum borrowing capacity       450
QVC | Amendment No. 4 QVC Bank Credit Facility | Uncommitted Incremental Revolving Loan Commitments or Incremental Term Loans        
Long-term debt        
Maximum borrowing capacity       1,500
QVC | Amendment No. 4 QVC Bank Credit Facility | Portion of Credit Facility Available to QVC or zulily        
Long-term debt        
Maximum borrowing capacity       400
QVC | Amendment No. 4 QVC Bank Credit Facility | Credit Facility Portion Available to Zulily And Letters Of Credit | Maximum [Member]        
Long-term debt        
Maximum borrowing capacity       50
QVC | Amendment No. 4 QVC Bank Credit Facility | Portion of Credit Facility Available Only to QVC        
Long-term debt        
Maximum borrowing capacity       $ 2,550
QVC | 3.5% Exchangeable Senior Debentures Due 2031        
Long-term debt        
Outstanding principal $ 210      
Interest rate (as a percent) 3.50%      
Zulily | Amendment No. 4 QVC Bank Credit Facility        
Long-term debt        
Outstanding principal $ 120      
Interest rate (as a percent) 1.60%      
Remaining borrowing capacity $ 2,808      
Zulily | Amendment No. 4 QVC Bank Credit Facility | Credit Facility Portion Available to Zulily And Letters Of Credit        
Long-term debt        
Remaining borrowing capacity $ 400