Annual report pursuant to Section 13 and 15(d)

Acquisitions (Details)

v3.3.1.900
Acquisitions (Details)
$ / shares in Units, $ in Millions
 12 Months Ended
Oct. 01, 2015
USD ($)
$ / shares
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]        
Goodwill   $ 6,112 $ 5,404 $ 5,872
Business Acquisition, Pro Forma Information        
Pro Forma Revenue   10,907 11,700  
Pro Forma Income (Loss) from Continuing Operations before Changes in Accounting and Extraordinary Items, Net of Tax   750 $ 419  
zulily        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]        
Cash and cash equivalents $ 341      
Property and equipment 105      
Other assets 46      
Goodwill 860      
Trademarks 920      
Intangible assets subject to amortization 830      
Accounts payable & Accrued liabilities (145)      
Other liabilities assumed (65)      
Deferred tax liabilities (640)      
Total $ 2,252      
Business Acquisition, Pro Forma Information        
Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual   $ 34    
Business Acquisition, Share Price | $ / shares $ 9.375      
Business Acquisition, Cost of Acquired Entity, Cash Paid $ 1,200      
Business Acquisition Equity Interests Issued or Issuable Number Of Shares Issued Per Shares Acquired 0.3098      
zulily | Customer Relationships        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]        
Intangible assets subject to amortization $ 515      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 4 years      
zulily | Email lists        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]        
Intangible assets subject to amortization $ 265      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 2 years      
zulily | Capitalized Software        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]        
Intangible assets subject to amortization $ 50      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 3 years