Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Narrative) (Details)

v3.20.2
Long-Term Debt (Narrative) (Details) - USD ($)
$ in Millions
Sep. 30, 2020
Aug. 20, 2020
Dec. 31, 2019
Jul. 01, 2019
Dec. 31, 2018
Jun. 15, 2016
Debt Instrument [Line Items]            
Line of Credit Facility, Remaining Borrowing Capacity $ 2,930          
Derivative, Notional Amount       $ 125   $ 125
Derivative Asset, Current $ 3          
Debt Instrument, Lower Range of Basis Spread on Variable Rate 0.25%          
Debt Instrument, Higher Range of Basis Spread on Variable Rate 0.75%          
Debt, Weighted Average Interest Rate 5.00%          
Senior secured credit facility            
Debt Instrument [Line Items]            
Line of Credit Facility, Maximum Borrowing Capacity         $ 2,950  
Line of Credit Facility, Standby Letter of Credit         450  
Line of credit facility, uncommitted loan         1,500  
Tranche One, Shared with Related Party | Senior secured credit facility            
Debt Instrument [Line Items]            
Line of Credit Facility, Maximum Borrowing Capacity $ 400       400  
Tranche One, Shared with Related Party | Standby Letters of Credit            
Debt Instrument [Line Items]            
Line of Credit Facility, Standby Letter of Credit         50  
QVC | Senior secured credit facility            
Debt Instrument [Line Items]            
Line of Credit Facility, Maximum Borrowing Capacity         2,550  
London Interbank Offered Rate (LIBOR)            
Debt Instrument [Line Items]            
Debt Instrument, Lower Range of Basis Spread on Variable Rate 1.25%          
Debt Instrument, Higher Range of Basis Spread on Variable Rate 1.75%          
6.375% Senior Secured Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Interest Rate, Stated Percentage 6.375%          
Debt and Lease Obligation $ 225   $ 225      
250 million interest rate swap [Member]            
Debt Instrument [Line Items]            
Derivative, Notional Amount         $ 250  
Derivative, Fixed Interest Rate         1.05%  
6.25% Senior Secured Notes [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Interest Rate, Stated Percentage 6.25%          
Debt and Lease Obligation $ 500 $ 500 $ 500