XML 71 R58.htm IDEA: XBRL DOCUMENT v3.8.0.1
Acquisitions and Dispositions (OWN) (Details) - Harpo - USD ($)
$ in Millions
3 Months Ended
Nov. 30, 2017
Mar. 31, 2018
Nov. 29, 2017
Business Acquisition [Line Items]      
Percentage of voting interests acquired 73.75%   49.50%
Cash portion of purchase price $ 70    
Remeasurement gain on previously held equity interest $ 33    
Variable interest entity, consolidated, carrying amount, assets   $ 733  
Variable interest entity, consolidated, carrying amount, liabilities   $ 267  
Acquired finite-lived intangible assets, weighted average useful life   9 years  
Subsequent Acquisition, Window One      
Business Acquisition [Line Items]      
Step acquisition, subsequent acquisition, term of window 90 days    
Subsequent Acquisition, Window Two      
Business Acquisition [Line Items]      
Step acquisition, subsequent acquisition, term of window 2 years 6 months