Quarterly report pursuant to Section 13 or 15(d)

Notional Amounts of Outstanding Derivative Positions (Detail)

 v2.3.0.11
Notional Amounts of Outstanding Derivative Positions (Detail)
In Millions
Jun. 30, 2011
Euro
EUR (€)
Dec. 31, 2010
Euro
EUR (€)
Jun. 30, 2011
British Pound Sterling
GBP (£)
Dec. 31, 2010
British Pound Sterling
GBP (£)
Jun. 30, 2011
Canadian Dollar
CAD
Dec. 31, 2010
Canadian Dollar
CAD
Jun. 30, 2011
Fixed to Floating Interest Rate Swaps
USD ($)
Dec. 31, 2010
Fixed to Floating Interest Rate Swaps
USD ($)
Jun. 30, 2011
Floating to Fixed Interest Rate Swaps
USD ($)
Dec. 31, 2010
Floating to Fixed Interest Rate Swaps
USD ($)
Derivative [Line Items]                    
Currency Hedges € 2,377 € 1,732 £ 1,031 £ 871 475 289        
Interest Rate Hedges             $ 6,424 $ 6,000 $ 48 $ 53