Annual report pursuant to Section 13 and 15(d)

Acquisitions (Details)

v3.10.0.1
Acquisitions (Details)
shares in Millions
 12 Months Ended
Dec. 29, 2017
USD ($)
shares
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]        
Equity Method Investments   $ 135,000,000 $ 309,000,000  
Goodwill   7,017,000,000 7,082,000,000 $ 6,052,000,000
Business Acquisition, Pro Forma Information        
Stock-based compensation   88,000,000 123,000,000 $ 97,000,000
HSN, Inc.        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]        
Business Acquisition, Percentage of Voting Interests Acquired 62.00%      
Equity Method Investments $ 605,000,000      
Equity value of acquired business 1,900,000,000      
Remeasurement Gain 409,000,000      
Cash and cash equivalents 22,000,000      
Property and equipment 220,000,000      
Other assets 772,000,000      
Goodwill 936,000,000      
Trademarks 676,000,000      
Intangible assets subject to amortization 598,000,000      
Accounts payable and Accrued liabilities (519,000,000)      
Long-term debt (467,000,000)      
Other liabilities assumed (13,000,000)      
Deferred tax liabilities (277,000,000)      
Total 1,948,000,000      
Business Acquisition, Goodwill, Expected Tax Deductible Amount 0      
Adjustments to property and equipment   6,000,000    
Adjustments to other assets   20,000,000    
Adjustments to Accounts payable and accrued liabilities   4,000,000    
Adjustments to debt   (7,000,000)    
Adjustments to other liabilities assumed   (1,000,000)    
Adjustment to goodwill   (14,000,000)    
Adjustments to deferred tax liabilities   (4,000,000)    
Adjustments to Intangibles   (4,000,000)    
Business Acquisition, Pro Forma Information        
Pro Forma Revenue   13,791,000,000 14,220,000,000  
Pro Forma Income (Loss) from Continuing Operations before Changes in Accounting and Extraordinary Items, Net of Tax   $ 2,200,000,000 1,258,000,000  
Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual     43,000,000  
HSN, Inc. | Customer Relationships        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]        
Intangible assets subject to amortization $ 421,000,000      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 9 years      
HSN, Inc. | Capitalized Software        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]        
Intangible assets subject to amortization $ 16,000,000      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 1 year      
HSN, Inc. | Technology        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]        
Intangible assets subject to amortization $ 161,000,000      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 7 years      
Common Class A | HSN, Inc.        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]        
Business Acquisition Equity Interests Issued or Issuable Number Of Shares Issued Per Shares Acquired 1.65      
Stock Issued During Period Shares Acquisitions | shares 53.6      
Common Class A | QVC Group | HSN, Inc.        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]        
Value of shares issued to acquire business $ 1,300,000,000      
HSN        
Business Acquisition, Pro Forma Information        
Business acquisition costs, including stock-based compensation     38,000,000  
Stock-based compensation     8,000,000  
Corporate and Other Cornerstone        
Business Acquisition, Pro Forma Information        
Restructuring Charges     $ 5,000,000