Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Narrative) (Details)

v3.19.3
Long-Term Debt (Narrative) (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2019
Jul. 01, 2019
Dec. 31, 2018
Sep. 13, 2018
Jun. 23, 2016
Jun. 15, 2016
Mar. 18, 2014
Debt Instrument [Line Items]              
Line of Credit Facility, Remaining Borrowing Capacity $ 1,900            
Line of Credit Facility, Interest Rate at Period End 3.40%            
Line of Credit Facility, Maximum Borrowing Capacity     $ 3,650   $ 2,650    
Derivative, Notional Amount   $ 125       $ 125  
Derivative Asset, Current $ 1            
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 4.50%            
Senior secured credit facility              
Debt Instrument [Line Items]              
Line of Credit Facility, Maximum Borrowing Capacity     3,650        
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        
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     3,250        
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%            
3.125% Senior Secured Notes due 2019, net of original issue discount              
Debt Instrument [Line Items]              
Debt Instrument, Interest Rate, Stated Percentage 3.125%           3.125%
Debt and Lease Obligation $ 0   399        
6.375% Senior Secured Notes [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Interest Rate, Stated Percentage 6.375%     6.375%      
Debt Instrument, Call Feature P5Y            
Debt and Lease Obligation $ 225   225 $ 225      
250 million interest rate swap [Member]              
Debt Instrument [Line Items]              
Derivative, Notional Amount     $ 250        
Derivative, Fixed Interest Rate     1.05%        
Derivative Asset, Current $ 1