v2.4.0.6
Consolidated Statement Of Shareholders' Equity (Parenthetical) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2012
Dec. 31, 2011
Consolidated Statement Of Shareholders' Equity [Abstract]    
Accumulated other comprehensive income, before tax $ 55 $ 183
Accumulated other comprehensive income, tax 2 31
Foreign currency translation adjustments ,net of tax 43 120
Net changes in unrecognized income on derivative instruments, net of tax 6 45
Employee benefit plans liability adjustment, net of tax 18 18
Tax effect on net changes in unrecognized income on derivative instruments 3 26
Tax effect on employ benefit plan liabilities $ 5 $ 5