CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Unrealized gains (losses) on designated hedges, net of tax (expense) benefit	$ 0	$ (1)	$ (4)	$ 1
Reclassification of net (gains) losses to net income, net of tax expense (benefit)	$ 0	$ 1	$ (1)	$ 1

Other Comprehensive Income (Loss), Cash Flow Hedge And Net Investment Hedge, Gain (Loss), Before Reclassification, Tax

No definition available.

Name:	bg_OtherComprehensiveIncomeLossCashFlowHedgeAndNetInvestmentHedgeGainLossBeforeReclassificationTax
Namespace Prefix:	bg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration