2.2.0.25truefalse157 - Disclosure - Notional Amounts of Outstanding Derivative Positions (Detail)truefalseIn Millionsfalse1falsefalseEURtruefalse{us-gaap_DerivativeByNatureAxis} : Euro
3/31/2011
EUR (€)
€eol_PE10216---1110-Q0006_STD_0_20110331_0_402409x419933http://www.sec.gov/CIK0001090727instant2011-03-31T00:00:000001-01-01T00:00:00falsefalseEurous-gaap_DerivativeByNatureAxisxbrldihttp://xbrl.org/2006/xbrldiups_CurrencyEuroMemberus-gaap_DerivativeByNatureAxisexplicitMemberiso4217_EURStandardhttp://www.xbrl.org/2003/iso4217EURiso42170EUREUR€2falsefalseEURtruefalse{us-gaap_DerivativeByNatureAxis} : Euro
12/31/2010
EUR (€)
€eol_PE10216---1110-Q0006_STD_0_20101231_0_402409x419933http://www.sec.gov/CIK0001090727instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseEurous-gaap_DerivativeByNatureAxisxbrldihttp://xbrl.org/2006/xbrldiups_CurrencyEuroMemberus-gaap_DerivativeByNatureAxisexplicitMemberiso4217_EURStandardhttp://www.xbrl.org/2003/iso4217EURiso42170EUREUR€3falsefalseGBPtruefalse{us-gaap_DerivativeByNatureAxis} : British Pound Sterling
3/31/2011
GBP (£)
£eol_PE10216---1110-Q0006_STD_0_20110331_0_402409x420101http://www.sec.gov/CIK0001090727instant2011-03-31T00:00:000001-01-01T00:00:00falsefalseBritish Pound Sterlingus-gaap_DerivativeByNatureAxisxbrldihttp://xbrl.org/2006/xbrldiups_CurrencyBritishPoundSterlingMemberus-gaap_DerivativeByNatureAxisexplicitMemberiso4217_GBPStandardhttp://www.xbrl.org/2003/iso4217GBPiso42170GBPGBP£4falsefalseGBPtruefalse{us-gaap_DerivativeByNatureAxis} : British Pound Sterling
12/31/2010
GBP (£)
£eol_PE10216---1110-Q0006_STD_0_20101231_0_402409x420101http://www.sec.gov/CIK0001090727instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseBritish Pound Sterlingus-gaap_DerivativeByNatureAxisxbrldihttp://xbrl.org/2006/xbrldiups_CurrencyBritishPoundSterlingMemberus-gaap_DerivativeByNatureAxisexplicitMemberiso4217_GBPStandardhttp://www.xbrl.org/2003/iso4217GBPiso42170GBPGBP£5falsefalseCADtruefalse{us-gaap_DerivativeByNatureAxis} : Canadian Dollar
3/31/2011
CAD ($)
$eol_PE10216---1110-Q0006_STD_0_20110331_0_402409x419936http://www.sec.gov/CIK0001090727instant2011-03-31T00:00:000001-01-01T00:00:00falsefalseCanadian Dollarus-gaap_DerivativeByNatureAxisxbrldihttp://xbrl.org/2006/xbrldiups_CurrencyCanadianDollarMemberus-gaap_DerivativeByNatureAxisexplicitMemberiso4217_CADStandardhttp://www.xbrl.org/2003/iso4217CADiso42170CADCAD$6falsefalseCADtruefalse{us-gaap_DerivativeByNatureAxis} : Canadian Dollar
12/31/2010
CAD ($)
$eol_PE10216---1110-Q0006_STD_0_20101231_0_402409x419936http://www.sec.gov/CIK0001090727instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseCanadian Dollarus-gaap_DerivativeByNatureAxisxbrldihttp://xbrl.org/2006/xbrldiups_CurrencyCanadianDollarMemberus-gaap_DerivativeByNatureAxisexplicitMemberiso4217_CADStandardhttp://www.xbrl.org/2003/iso4217CADiso42170CADCAD$7falsefalseUSDtruefalse{us-gaap_DerivativeByNatureAxis} : Fixed to Floating Interest Rate Swaps
3/31/2011
USD ($)
$eol_PE10216---1110-Q0006_STD_0_20110331_0_402409x419681http://www.sec.gov/CIK0001090727instant2011-03-31T00:00:000001-01-01T00:00:00falsefalseFixed to Floating Interest Rate Swapsus-gaap_DerivativeByNatureAxisxbrldihttp://xbrl.org/2006/xbrldiups_DerivativeFinancialInstrumentsReceiveVariablePayFixedMemberus-gaap_DerivativeByNatureAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$8falsefalseUSDtruefalse{us-gaap_DerivativeByNatureAxis} : Fixed to Floating Interest Rate Swaps
12/31/2010
USD ($)
$eol_PE10216---1110-Q0006_STD_0_20101231_0_402409x419681http://www.sec.gov/CIK0001090727instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseFixed to Floating Interest Rate Swapsus-gaap_DerivativeByNatureAxisxbrldihttp://xbrl.org/2006/xbrldiups_DerivativeFinancialInstrumentsReceiveVariablePayFixedMemberus-gaap_DerivativeByNatureAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$9falsefalseUSDtruefalse{us-gaap_DerivativeByNatureAxis} : Floating to Fixed Interest Rate Swaps
3/31/2011
USD ($)
$eol_PE10216---1110-Q0006_STD_0_20110331_0_402409x419683http://www.sec.gov/CIK0001090727instant2011-03-31T00:00:000001-01-01T00:00:00falsefalseFloating to Fixed Interest Rate Swapsus-gaap_DerivativeByNatureAxisxbrldihttp://xbrl.org/2006/xbrldiups_DerivativeFinancialInstrumentsReceiveFixedPayVariableMemberus-gaap_DerivativeByNatureAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$10falsefalseUSDtruefalse{us-gaap_DerivativeByNatureAxis} : Floating to Fixed Interest Rate Swaps
12/31/2010
USD ($)
$eol_PE10216---1110-Q0006_STD_0_20101231_0_402409x419683http://www.sec.gov/CIK0001090727instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseFloating to Fixed Interest Rate Swapsus-gaap_DerivativeByNatureAxisxbrldihttp://xbrl.org/2006/xbrldiups_DerivativeFinancialInstrumentsReceiveFixedPayVariableMemberus-gaap_DerivativeByNatureAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4true0us-gaap_DerivativeLineItemsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringLine items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.falsefalse5false0us-gaap_NotionalAmountOfForeignCurrencyDerivativesus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse17750000001775falsetruefalsetruefalse2truefalsefalse17320000001732falsetruefalsetruefalse3truefalsefalse899000000899falsetruefalsetruefalse4truefalsefalse871000000871falsetruefalsetruefalse5truefalsefalse379000000379falsetruefalsetruefalse6truefalsefalse289000000289falsetruefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryAggregate notional amount of foreign currency exchange rate derivatives. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.No authoritative reference available.falsefalse6false0us-gaap_NotionalAmountOfInterestRateDerivativesus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsetruefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse64240000006424falsetruefalsetruefalse8truefalsefalse60000000006000falsetruefalsetruefalse9truefalsefalse5000000050falsetruefalsetruefalse10truefalsefalse5300000053falsetruefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryAggregate notional amount of interest rate derivatives, which relates to the currency amount specified in the interest rate derivative instruments.No authoritative reference available.falsefalse103Notional Amounts of Outstanding Derivative Positions (Detail)MillionsUnKnownUnKnownUnKnownfalsetrue
