Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

v2.4.0.8
CONSOLIDATED BALANCE SHEETS (Parenthetical)
In Millions, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Treasury stock, shares 1 1
Class A common stock
   
Common stock, shares issued 211 212
Class B common stock
   
Common stock, shares issued 709 712