v3.26.1
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
 6 Months Ended 12 Months Ended
Feb. 28, 2026
MMBTU
T
bbl
bu
Aug. 31, 2025
MMBTU
T
bu
bbl
Grain and oilseed (bushels) | Long    
Derivative [Line Items]    
Notional amount, volume | bu 550,655 468,345
Grain and oilseed (bushels) | Short    
Derivative [Line Items]    
Notional amount, volume | bu 935,048 702,025
Energy products (barrels) | Long    
Derivative [Line Items]    
Notional amount, volume | bbl 15,056 10,059
Energy products (barrels) | Short    
Derivative [Line Items]    
Notional amount, volume | bbl 14,538 6,687
Processed grain and oilseed (tons) | Long    
Derivative [Line Items]    
Notional amount, mass 1,229 1,168
Processed grain and oilseed (tons) | Short    
Derivative [Line Items]    
Notional amount, mass 2,714 2,429
Crop nutrients (tons) | Long    
Derivative [Line Items]    
Notional amount, mass 9 29
Crop nutrients (tons) | Short    
Derivative [Line Items]    
Notional amount, mass 37 32
Natural gas (metric million Btu) | Long    
Derivative [Line Items]    
Notional amount, energy measure | MMBTU 420 180
Natural gas (metric million Btu) | Short    
Derivative [Line Items]    
Notional amount, energy measure | MMBTU 0 0