Annual report pursuant to Section 13 and 15(d)

Debt (Narrative) (Details)

v3.10.0.1
Debt (Narrative) (Details)
1 Months Ended 12 Months Ended
Mar. 01, 2018
USD ($)
Jan. 31, 2018
$ / shares
Dec. 29, 2017
USD ($)
Jan. 27, 2015
USD ($)
Sep. 30, 2018
USD ($)
Aug. 31, 2016
USD ($)
$ / shares
May 31, 2016
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Jun. 30, 2018
USD ($)
Apr. 24, 2017
USD ($)
Jun. 23, 2016
USD ($)
Aug. 21, 2014
USD ($)
Mar. 18, 2014
USD ($)
Long-term debt               $ 7,373,000,000 $ 8,549,000,000            
Outstanding principal               7,591,000,000              
Debt, Current               1,410,000,000 996,000,000            
Loss on extinguishment of debt               (24,000,000)   $ (6,000,000)          
Senior Debentures                              
Debt Instrument, Unamortized Discount               $ 3,000,000 4,000,000            
8.5% Senior Debentures Due 2029                              
Interest rate (as a percent)               8.50%              
Long-term debt               $ 286,000,000 285,000,000            
Outstanding principal               $ 287,000,000              
8.25% Senior Debentures Due 2030                              
Interest rate (as a percent)               8.25%              
Long-term debt               $ 502,000,000 502,000,000            
Outstanding principal               504,000,000              
Exchangeable Senior Debentures                              
Debt, Current               $ 990,000,000              
4% Exchangeable Senior Debentures Due 2029                              
Interest rate (as a percent)               4.00%              
Long-term debt               $ 304,000,000 316,000,000            
Outstanding principal               433,000,000              
Debt Instrument, Face Amount               $ 1,000              
4% Exchangeable Senior Debentures Due 2029 | Sprint                              
Debt Instrument, Convertible, Conversion Ratio               3.2265              
4% Exchangeable Senior Debentures Due 2029 | Century Link, Inc.                              
Debt Instrument, Convertible, Conversion Ratio               0.7860              
3.75% Exchangeable Senior Debentures Due 2030                              
Interest rate (as a percent)               3.75%              
Long-term debt               $ 307,000,000 318,000,000            
Outstanding principal               434,000,000              
Debt Instrument, Face Amount               $ 1,000              
3.75% Exchangeable Senior Debentures Due 2030 | Sprint                              
Debt Instrument, Convertible, Conversion Ratio               2.3578              
3.75% Exchangeable Senior Debentures Due 2030 | Century Link, Inc.                              
Debt Instrument, Convertible, Conversion Ratio               0.5746              
3.5% Exchangeable Senior Debentures Due 2031                              
Interest rate (as a percent)               3.50%              
Long-term debt               $ 377,000,000 342,000,000            
Outstanding principal               318,000,000              
Debt Instrument, Face Amount               $ 1,000              
3.5% Exchangeable Senior Debentures Due 2031 | Motorola Solutions                              
Debt Instrument, Convertible, Conversion Ratio               5.2598              
0.75% Exchangeable Senior Debentures due 2043                              
Interest rate (as a percent)               0.75%              
Long-term debt               $ 2,000,000 2,000,000            
Debt Instrument, Face Amount               $ 1,000              
Debt exchanged                   523,000,000          
Extraordinary Distribution to Bondholder $ 11.9399           $ 325,000,000                
Proceeds from (Repayments of) Long-term Debt and Capital Securities                   1,181,000,000          
0.75% Exchangeable Senior Debentures due 2043 | Time Inc                              
Cash consideration per share due to acquisition | $ / shares   $ 18.50                          
0.75% Exchangeable Senior Debentures due 2043 | Charter                              
Debt Instrument, Convertible, Conversion Ratio               3.1648              
0.75% Exchangeable Senior Debentures due 2043 | AT&T                              
Debt Instrument, Convertible, Conversion Ratio               7.4199              
1.75% Exchangeable Senior Debentures due 2046                              
Interest rate (as a percent)               1.75%              
Long-term debt               $ 344,000,000 868,000,000            
Outstanding principal           $ 750,000,000   332,000,000              
Debt Instrument, Repurchase Amount                     $ 457,000,000        
Debt Instrument, Face Amount           $ 1,000                  
1.75% Exchangeable Senior Debentures due 2046 | Charter                              
Debt Instrument, Convertible, Conversion Ratio           2.9317                  
Exchange Price of Shares Attributable to Debentures | $ / shares           $ 341.10                  
Adjusted face amount per debenture | 3.5% Exchangeable Senior Debentures Due 2031                              
Debt instrument, face amount per debenture               $ 531              
QVC | Interest Rate Swap                              
Derivative, Notional Amount                   $ 125,000,000          
Derivative, Term of Contract               13 months   3 years          
QVC | QVC 3.125% Senior Secured Notes Due 2019                              
Interest rate (as a percent)               3.125%              
Long-term debt               $ 399,000,000 399,000,000            
Outstanding principal               $ 400,000,000              
Debt Instrument, Face Amount                             $ 400,000,000
Debt issuance price as percent of par                             99.828%
QVC | QVC 5.125% Senior Secured Notes Due 2022                              
Interest rate (as a percent)               5.125%              
Long-term debt               $ 500,000,000 500,000,000            
Outstanding principal               500,000,000              
Debt Instrument, Face Amount               $ 500,000,000              
QVC | QVC 4.375% Senior Secured Notes due 2023                              
Interest rate (as a percent)               4.375%              
Long-term debt               $ 750,000,000 750,000,000            
Outstanding principal               750,000,000              
Debt Instrument, Face Amount               $ 750,000,000              
QVC | QVC 4.85% Senior Secured Notes Due 2024                              
Interest rate (as a percent)               4.85%              
Long-term debt               $ 600,000,000 600,000,000            
Outstanding principal               $ 600,000,000              
Debt Instrument, Face Amount                             $ 600,000,000
Debt issuance price as percent of par                             99.927%
QVC | QVC 4.45% Senior Secured Notes Due 2025                              
Interest rate (as a percent)               4.45%              
Long-term debt               $ 599,000,000 599,000,000            
Outstanding principal               $ 600,000,000              
Debt Instrument, Face Amount                           $ 600,000,000  
Debt issuance price as percent of par                           99.86%  
QVC | QVC 5.45% Senior Secured Notes Due 2034                              
Interest rate (as a percent)               5.45%              
Long-term debt               $ 399,000,000 399,000,000            
Outstanding principal               $ 400,000,000              
Debt Instrument, Face Amount                           $ 400,000,000  
Debt issuance price as percent of par                           99.784%  
QVC | QVC 5.95% Senior Secured Notes due 2043                              
Interest rate (as a percent)               5.95%              
Long-term debt               $ 300,000,000 300,000,000            
Outstanding principal               300,000,000              
Debt Instrument, Face Amount               300,000,000              
QVC | QVC Bank Credit Facilities                              
Long-term debt               1,320,000,000 $ 1,763,000,000            
Outstanding principal               1,320,000,000              
QVC | Amendment No. 3 QVC Bank Credit Facility                              
Remaining borrowing capacity               $ 2,300,000,000              
Debt Instrument, Interest Rate During Period               3.90%              
QVC | Amendment No. 4 QVC Bank Credit Facility                              
Maximum borrowing capacity               $ 3,650,000,000              
QVC | QVC 6.735% Senior Secured Notes Due 2067                              
Interest rate (as a percent)         6.375%     6.375%              
Long-term debt               $ 225,000,000              
Outstanding principal         $ 225,000,000     225,000,000              
Debt instrument, term         5 years                    
QVC | Standby Letters of Credit                              
Maximum borrowing capacity               450,000,000              
Remaining borrowing capacity               20,000,000              
QVC | Uncommitted Incremental Revolving Loan Commitments or Incremental Term Loans                              
Maximum borrowing capacity               1,800,000,000              
QVC | Portion of Credit Facility Available Only to QVC                              
Maximum borrowing capacity               3,250,000,000              
QVC | Portion of Credit Facility Available to QVC and zulily                              
Maximum borrowing capacity               400,000,000              
HSN, Inc. | HSNi interest rate swap                              
Derivative, Notional Amount                       $ 250,000,000      
Derivative, Fixed Interest Rate                       1.05%      
Debt Instrument Interest Rate Including Derivative Fixed Rate                 2.3525%            
HSN, Inc. | HSN Bank Credit Facility                              
Maximum borrowing capacity       $ 1,750,000,000                      
Long-term debt                 $ 460,000,000            
Secured debt       $ 1,250,000,000                      
Debt instrument, term       5 years                      
Percentage secured by U.S. subsidiaries       100.00%                      
Percentage secured by foreign subsidiaries       65.00%                      
Line of Credit, current borrowing capacity       $ 750,000,000                      
HSN, Inc. | HSN Bank Credit Facility | Senior secured note                              
Secured debt       $ 500,000,000                      
HSN, Inc. | Amendment No. 1 HSNi Bank Credit Facility                              
Maximum borrowing capacity     $ 1,000,000,000                        
Loss on extinguishment of debt               $ (2,000,000)              
Debt Instrument, Description of Variable Rate Basis     LIBOR                        
LIBOR | QVC | Amendment No. 4 QVC Bank Credit Facility                              
Debt Instrument, Description of Variable Rate Basis               LIBOR              
Base Rate | QVC | Amendment No. 4 QVC Bank Credit Facility                              
Debt Instrument, Description of Variable Rate Basis               alternate base rate              
Minimum | HSN, Inc. | Amendment No. 1 HSNi Bank Credit Facility                              
Debt Instrument, Basis Spread on Variable Rate     1.25%                        
Debt instrument interest Rate Interest rate (as a percent)     0.25%                        
Commitment fee (as a percent)     0.20%                        
Minimum | LIBOR | QVC | Amendment No. 4 QVC Bank Credit Facility                              
Debt Instrument, Basis Spread on Variable Rate               1.25%              
Minimum | Base Rate | QVC | Amendment No. 4 QVC Bank Credit Facility                              
Debt Instrument, Basis Spread on Variable Rate               0.25%              
Maximum | QVC | Portion of Credit Facility Available to QVC and zulily                              
Maximum borrowing capacity                         $ 50,000,000    
Maximum | HSN, Inc. | Amendment No. 1 HSNi Bank Credit Facility                              
Debt Instrument, Basis Spread on Variable Rate     1.75%                        
Debt instrument interest Rate Interest rate (as a percent)     0.75%                        
Commitment fee (as a percent)     0.30%                        
Maximum | LIBOR | QVC | Amendment No. 4 QVC Bank Credit Facility                              
Debt Instrument, Basis Spread on Variable Rate               1.75%              
Maximum | Base Rate | QVC | Amendment No. 4 QVC Bank Credit Facility                              
Debt Instrument, Basis Spread on Variable Rate               0.75%