Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Narrative) (Details)

v3.8.0.1
Intangible Assets (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 29, 2017
Nov. 04, 2016
Jul. 22, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]            
Weighted average useful life at time of acquisition       9 years    
Amortization of Intangible Assets       $ 549 $ 703 $ 550
Goodwill, Impaired, Accumulated Impairment Loss       $ 56    
Goodwill, Purchase Accounting Adjustments         57  
Liberty Expedia Holdings            
Finite-Lived Intangible Assets [Line Items]            
Decrease to goodwill due to spin-off   $ 57        
CommerceHub            
Finite-Lived Intangible Assets [Line Items]            
Decrease to goodwill due to spin-off     $ 21      
zulily            
Finite-Lived Intangible Assets [Line Items]            
Goodwill, Purchase Accounting Adjustments         $ 57  
HSNi            
Finite-Lived Intangible Assets [Line Items]            
Percentage of equity method investee not currently owned 62.00%