v3.26.3
Equity (Deficit) - Ownership (Details)
12 Months Ended
Mar. 16, 2026
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Mar. 30, 2021
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Jul. 31, 2026
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Jul. 31, 2025
shares
Capital Unit [Line Items]        
Limited partner unitholders, units outstanding   97,152,665 11,357,605  
Minimum percentage ownership of outstanding common units resulting in non voting of owners     20.00%  
Class A Limited Partner Units        
Capital Unit [Line Items]        
Conversion ratio   0.05    
Limited partner unitholders, units outstanding   4,857,605 11,357,605 4,857,605
Converted outstanding Class B Units into Class A Units 5      
Aggregate number of units issued upon conversion 6,500,000      
Class B Limited Partner Units        
Capital Unit [Line Items]        
Limited partner unitholders, units outstanding       1,300,000
Converted outstanding Class B Units into Class A Units 1,300,000      
Ferrell Companies | Class A Limited Partner Units        
Capital Unit [Line Items]        
Limited partner unitholders, units outstanding     1,126,468 1,126,468
James E. Ferrell | Class A Limited Partner Units        
Capital Unit [Line Items]        
Limited partner unitholders, units outstanding     253,772 238,172
Ferrellgas Partners LP | Ferrell Companies        
Capital Unit [Line Items]        
Limited partner ownership interest     10.00%  
Ferrellgas, L.P.        
Capital Unit [Line Items]        
Limited partner ownership interest     98.60%  
Ferrell Companies | James E. Ferrell | Class A Limited Partner Units        
Capital Unit [Line Items]        
Limited partner unitholders, units outstanding     15,600  
Ferrell Companies | Ferrellgas Partners LP        
Capital Unit [Line Items]        
Limited partner ownership interest     9.90%  
FCI Trading Corp. | Ferrell Companies        
Capital Unit [Line Items]        
Limited partner unitholders, units outstanding     9,784  
Ferrell Propane, Inc. | Ferrell Companies        
Capital Unit [Line Items]        
Limited partner unitholders, units outstanding     2,560  
JEF Capital Management | James E. Ferrell        
Capital Unit [Line Items]        
Limited partner unitholders, units outstanding     237,942  
Ferrell Resources Holdings, Inc. | Ferrellgas Partners LP | Ferrellgas Partners LP        
Capital Unit [Line Items]        
Limited partner unitholders, units outstanding     230  
Ferrellgas Partners LP | Ferrellgas, L.P.        
Capital Unit [Line Items]        
Limited partner ownership interest     99.60%