XML 63 R45.htm IDEA: XBRL DOCUMENT v3.3.1.900
Intangible Assets Intangible Assets (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Billions
3 Months Ended
Dec. 31, 2014
Feb. 03, 2016
Dec. 31, 2015
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) $ 1.9    
Share Price     $ 3.62
Common Stock, Par or Stated Value Per Share     $ 5.12
Trademarks [Member] | Fair Value, Inputs, Level 3 [Member]      
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure $ 3.3    
Common Class C [Member]      
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Share Price   $ 2.84