Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Narrative) (Details)

v3.19.2
Long-Term Debt (Narrative) (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2019
Jul. 01, 2019
Dec. 31, 2018
Sep. 13, 2018
Dec. 31, 2017
Jun. 23, 2016
Jun. 15, 2016
Mar. 18, 2014
Debt Instrument [Line Items]                
Line of Credit Facility, Remaining Borrowing Capacity $ 1,895              
Line of Credit Facility, Interest Rate at Period End 3.90%              
Line of credit facility, maximum borrowing capacity     $ 3,650     $ 2,650    
Derivative, Notional Amount   $ 125         $ 125  
Line of Credit Facility, Standby Letter of Credit     450          
Line of credit facility, uncommitted loan     1,500          
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 4.60%              
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 Capital Lease Obligations $ 0   399          
6.375% Senior Secured Notes [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Interest Rate, Stated Percentage       6.375%        
Debt Instrument, Call Feature P5Y              
Debt and Capital Lease Obligations $ 225   $ 225 $ 0        
HSN, Inc. [Member]                
Debt Instrument [Line Items]                
Derivative, Notional Amount         $ 250      
Derivative, Fixed Interest Rate         1.05%      
250 million interest rate swap [Member]                
Debt Instrument [Line Items]                
Derivative Asset, Current $ 1