v3.20.2

SUBSEQUENT EVENT (Details) - USD ($) | Oct. 22, 2020 | Sep. 30, 2020
--- | --- | ---
Subsequent Event [Line Items] |  |
Maximum borrowing capacity |  | $ 4,315,000,000
Subsequent event | Revolving Credit Facility |  |
Subsequent Event [Line Items] |  |
Maximum borrowing capacity | $ 1,250,000,000 |
Term of credit agreement | 364 days |
Option to add additional borrowing capacity, maximum amount | $ 250,000,000 |
Subsequent event | Revolving Credit Facility | Uncommitted Tranche |  |
Subsequent Event [Line Items] |  |
Maximum borrowing capacity | 1,000,000,000 |
Subsequent event | Revolving Credit Facility | Committed Tranche |  |
Subsequent Event [Line Items] |  |
Maximum borrowing capacity | $ 250,000,000 |

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- Definition Line of Credit Facility, Maximum Borrowing Capacity, Additional Lender Request + References No definition available. + Details
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Namespace Prefix: | bg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_DebtInstrumentAxis=bg_UncommittedTrancheMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |