v3.25.1
Document And Entity Information - shares
 9 Months Ended
Apr. 30, 2025
May 30, 2025
Document And Entity Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Apr. 30, 2025  
Document Transition Report false  
Securities Act File Number 001-11331  
Entity Registrant Name Ferrellgas Partners L P  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 43-1698480  
Entity Address, Address Line One One Liberty Plaza  
Entity Address, City or Town Liberty,  
Entity Address, State or Province MO  
Entity Address, Postal Zip Code 64068  
City Area Code 816  
Local Phone Number 792-1600  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Title of 12(b) Security N/A  
No Trading Symbol Flag true  
Entity Central Index Key 0000922358  
Current Fiscal Year End Date --07-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Class A Limited Partner Units    
Document And Entity Information    
Entity Common Stock, Shares Outstanding   4,857,605
Class B Limited Partner Units    
Document And Entity Information    
Entity Common Stock, Shares Outstanding   1,300,000
Ferrellgas, L.P.    
Document And Entity Information    
Document Type 10-Q  
Document Period End Date Apr. 30, 2025  
Securities Act File Number 000-50182  
Entity Registrant Name Ferrellgas L P  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 43-1698481  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Central Index Key 0000922359  
Current Fiscal Year End Date --07-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Ferrellgas Partners Finance Corp    
Document And Entity Information    
Document Type 10-Q  
Document Period End Date Apr. 30, 2025  
Securities Act File Number 333-06693-02  
Entity Registrant Name Ferrellgas Partners Finance Corp  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 43-1742520  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company true  
Entity Common Stock, Shares Outstanding   1,000
Entity Central Index Key 0001012493  
Current Fiscal Year End Date --07-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Ferrellgas Finance Corp    
Document And Entity Information    
Document Type 10-Q  
Document Period End Date Apr. 30, 2025  
Securities Act File Number 000-50183  
Entity Registrant Name Ferrellgas Finance Corp  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 14-1866671  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company true  
Entity Common Stock, Shares Outstanding   1,000
Entity Central Index Key 0000922360  
Current Fiscal Year End Date --07-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q3  
Amendment Flag false