Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity (Detail)

v3.3.1.900
Shareholders' Equity (Detail)
shares in Millions
12 Months Ended
Dec. 31, 2014
shares
Dec. 31, 2015
USD ($)
vote
Stockholders Equity    
Common stock reserved | shares 9.8  
Effective income tax rate   35.00%
Income tax effect recorded for currency translation adjustments | $   $ 0
Convertible Class B Stock    
Stockholders Equity    
Class B stock voting rights per share | vote   10
Conversion ratio for Class B stock to common stock 1.00