v2.4.0.6
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Net change, tax $ 54 $ 52 $ 6
Net change, tax $ 2 $ 52 $ 138