v2.3.0.15

FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Details 3) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2011 Interest Rate Swap USD ($)	Sep. 30, 2011 U.S. dollar/Yen cross-currency interest rate swaps USD ($)	Sep. 30, 2011 U.S. dollar/Yen cross-currency interest rate swaps JPY (¥)	Sep. 30, 2011 Commodities	Sep. 30, 2011 Futures Exchange Traded Net (Short) and Long MT Mmbtu	Sep. 30, 2011 Options Exchange Traded Net (Short) and Long USD ($) MT Mmbtu	Sep. 30, 2011 Options Non-exchange Traded (Short) Position USD ($)	Sep. 30, 2011 Options Non-exchange Traded Long Position USD ($)	Sep. 30, 2011 Options Exchange Cleared Net (Short) and Long HireDays	Sep. 30, 2011 Options Non-exchange Cleared (Short) Position MT	Sep. 30, 2011 Options Non-exchange Cleared Long Position MT	Sep. 30, 2011 Forwards Exchange Traded Net (Short) and Long USD ($) MT	Sep. 30, 2011 Forwards Non-exchange Traded (Short) Position USD ($) MT	Sep. 30, 2011 Forwards Non-exchange Traded Long Position USD ($) MT	Sep. 30, 2011 Forwards Exchange Cleared Net (Short) and Long HireDays	Sep. 30, 2011 Forwards Non-exchange Cleared (Short) Position HireDays MT	Sep. 30, 2011 Forwards Non-exchange Cleared Long Position MT	Sep. 30, 2011 Swaps Non-exchange Traded (Short) Position USD ($) MT	Sep. 30, 2011 Swaps Non-exchange Traded Long Position USD ($) MT	Sep. 30, 2011 Swaps Non-exchange Cleared (Short) Position MT	Sep. 30, 2011 Swaps Non-exchange Cleared Long Position MT Mmbtu
Derivative
Weighted-average rate payable (as a percent)	1.75%
Weighted-average rate receivable (as a percent)	3.23%
Delta amount of open foreign exchange positions						$ (1)	$ (74)	$ 69
Notional amounts of open foreign exchange positions												97	(20,151)	12,160				(95)	30
Reference rate for interest receivable		three-month Yen LIBOR	three-month Yen LIBOR
Notional Amount of Hedged Obligation	675	130	10,000
Notional amount of interest rate swaps and cross-currency interest rate swaps		130	10,000
Notional value of interest rate swap agreement	$ 675
Reference rate for interest payable	semi-annually: six-month U.S. dollar LIBOR; quarterly: three-month U.S. dollar LIBOR	three-month U.S. dollar LIBOR	three-month U.S. dollar LIBOR
Maximum period of commodity contracts for sale of agricultural commodity				one future crop cycle
Volumes of open agricultural commodities derivative positions (in Metric Tons)					(3,764,351)	(100,220)							(29,715,463)	29,358,492				(5,601,867)	19,051
Open ocean freight positions (in Hire Days)									(248)						(2,408)	(92)
Open natural gas energy positions (in MMBtus)					(4,106,053)	6,996,677															1,449,384
Open other energy positions (in Metric Tons)					193,451	93,754				(238,930)	153,024	(68,000)				(386,232)	9,150,367			(60,496)	49,632

X

- Definition

This element represents aggregate notional amount of agricultural commodity derivatives expressed in metric tons.

+ Details

Name:	bg_AgriculturalCommodityDerivativesNonmonetaryNotionalAmount
Namespace Prefix:	bg
Data Type:	us-types:massItemType
Balance Type:	na
Period Type:	instant

X

- Definition

This element represents delta equivalent amount of foreign currency derivatives.

+ Details

Name:	bg_DeltaAmountOfForeignCurrencyDerivatives
Namespace Prefix:	bg
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The reference rate for the interest payable on interest rate derivative, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ Details

Name:	bg_DerivativeInterestPayableDescriptionOfVariableRateBasis
Namespace Prefix:	bg
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The reference rate for the interest receivable on interest rate derivative, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ Details

Name:	bg_DerivativeInterestReceivableDescriptionOfVariableRateBasis
Namespace Prefix:	bg
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Maximum length of time of commodity contracts for sale of agricultural commodities.

+ Details

Name:	bg_MaximumPeriodOfCommoditySaleContracts
Namespace Prefix:	bg
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This element represents aggregate notional amount of natural gas energy derivatives expressed in million British thermal units.

+ Details

Name:	bg_NaturalGasEnergyDerivativesNonmonetaryNotionalAmount
Namespace Prefix:	bg
Data Type:	us-types:energyItemType
Balance Type:	na
Period Type:	instant

X

- Definition

This element represents the notional amount of interest rate derivatives and cross currency interest rate derivatives.

+ Details

Name:	bg_NotionalAmountOfInterestRateSwapsAndCrossCurrencyInterestRateSwaps
Namespace Prefix:	bg
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

This element represents aggregate notional amount of ocean freight derivatives expressed in hire days.

+ Details

Name:	bg_OceanFreightDerivativesNonmonetaryNotionalAmount
Namespace Prefix:	bg
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

This element represents aggregate notional amount of other energy derivatives expressed in metric tons.

+ Details

Name:	bg_OtherEnergyDerivativesNonmonetaryNotionalAmount
Namespace Prefix:	bg
Data Type:	us-types:massItemType
Balance Type:	na
Period Type:	instant

X

- Definition

This element represents weighted-average interest payable on interest rate derivatives.

+ Details

Name:	bg_WeightedAverageInterestPayable
Namespace Prefix:	bg
Data Type:	us-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This element represents weighted-average interest receivable on interest rate derivatives.

+ Details

Name:	bg_WeightedAverageInterestReceivable
Namespace Prefix:	bg
Data Type:	us-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of the hedged item as of the balance sheet date related to the derivative. For example, the hedged balance on a debt instrument.

+ Details

Name:	us-gaap_DerivativeAmountOfHedgedItem
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Line 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.

+ Details

Name:	us-gaap_DerivativeLineItems
Namespace Prefix:	us-gaap
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Aggregate notional amount of foreign currency exchange rate derivatives. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.

+ Details

Name:	us-gaap_NotionalAmountOfForeignCurrencyDerivatives
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Aggregate notional amount of interest rate derivatives, which relates to the currency amount specified in the interest rate derivative instruments.

+ Details

Name:	us-gaap_NotionalAmountOfInterestRateDerivatives
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant