v3.26.3
Derivative Financial Instruments and Hedging Activities - Schedule of Notional Volumes for Commodity Contracts (Details) - Not Designated as Hedging Instrument
bu in Thousands, bbl in Thousands, T in Thousands, MMBTU in Thousands
 12 Months Ended
Aug. 31, 2026
MMBTU
T
bu
bbl
Aug. 31, 2025
MMBTU
T
bbl
bu
Grain and oilseed (bushels) | Long    
Derivative [Line Items]    
Notional amount, volume | bu 642,907 468,345
Grain and oilseed (bushels) | Short    
Derivative [Line Items]    
Notional amount, volume | bu 935,987 702,025
Energy products (barrels) | Long    
Derivative [Line Items]    
Notional amount, volume | bbl 8,090 10,059
Energy products (barrels) | Short    
Derivative [Line Items]    
Notional amount, volume | bbl 6,812 6,687
Processed grain and oilseed (tons) | Long    
Derivative [Line Items]    
Notional amount, mass 988 1,168
Processed grain and oilseed (tons) | Short    
Derivative [Line Items]    
Notional amount, mass 2,599 2,429
Crop nutrients (tons) | Long    
Derivative [Line Items]    
Notional amount, mass 35 29
Crop nutrients (tons) | Short    
Derivative [Line Items]    
Notional amount, mass 38 32
Natural gas (MMBtu) | Long    
Derivative [Line Items]    
Notional amount, energy measure | MMBTU 660 180
Natural gas (MMBtu) | Short    
Derivative [Line Items]    
Notional amount, energy measure | MMBTU 0 0