Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies Common control transaction (Details)

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Summary of Significant Accounting Policies Common control transaction (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 29, 2017
Business Acquisition [Line Items]                        
Business Combination, Separately Recognized Transactions, Additional Disclosures, Acquisition Cost Expensed                 $ 1 $ 60 $ 39  
Cash and cash equivalents $ 561       $ 543       561 543    
Accounts receivable, less allowance for doubtful accounts of $123 at December 31, 2019 and $112 at December 31, 2018 1,813       1,787       1,813 1,787    
Inventories 1,214       1,280       1,214 1,280    
Property and equipment, net 1,215       1,165       1,215 1,165    
Goodwill 5,971       5,972       5,971 5,972 5,979  
Other intangible assets, net 3,498       3,666       3,498 3,666    
Deferred income taxes (724)       (700)       (724) (700)    
Other long-term liabilities 322       173       322 173    
Business Combination, Consideration Transferred                     1,671  
Operating income $ 306 $ 330 $ 365 $ 326 $ 461 $ 305 $ 390 $ 356 $ 1,327 $ 1,512 1,309  
HSN, Inc.                        
Business Acquisition [Line Items]                        
Tradenames (indefinite life)                       $ 627
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Technology                       105
Business Acquisition, Pro Forma Revenue                     11,114  
Cash and cash equivalents                       22
Accounts receivable, less allowance for doubtful accounts of $123 at December 31, 2019 and $112 at December 31, 2018                       292
Inventories                       185
Property and equipment, net                       165
Goodwill                       904
Other intangible assets, net                       1,165
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles                       425
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Capitalized Software                       7
Other Assets                       37
Accounts Payable and Accrued Liabilities                       (366)
Long-term Debt                       (460)
Deferred income taxes                       (263)
Other long-term liabilities                       $ (10)
Business Acquisition, Pro Forma Operating Income (Loss)                     1,163  
Business Combination, Consideration Transferred                     1,671  
Operating income                     $ 38  
Purchased and internally developed software                        
Business Acquisition [Line Items]                        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life                     3 years  
Customer Relationships [Member]                        
Business Acquisition [Line Items]                        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life                     9 years  
Technology [Member]                        
Business Acquisition [Line Items]                        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life                     7 years