Document And Entity Information	3 Months Ended
	Oct. 31, 2012	Nov. 30, 2012
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Oct. 31, 2012
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Entity Registrant Name	FERRELLGAS PARTNERS L P
Entity Central Index Key	0000922358
Current Fiscal Year End Date	--07-31
Entity Filer Category	Large Accelerated Filer
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Well-known Seasoned Issuer	Yes
Trading Symbol	fgp
Ferrellgas Partners, L.P. [Member]
Entity Common Stock, Shares Outstanding		79,015,619
Ferrellgas Partners Finance Corp. [Member]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Oct. 31, 2012
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Entity Registrant Name	FERRELLGAS PARTNERS FINANCE CORP
Entity Central Index Key	0001012493
Current Fiscal Year End Date	--07-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		1,000
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Well-known Seasoned Issuer	No
Ferrellgas, L.P. [Member]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Oct. 31, 2012
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Entity Registrant Name	FERRELLGAS L P
Entity Central Index Key	0000922359
Current Fiscal Year End Date	--07-31
Entity Filer Category	Non-accelerated Filer
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Well-known Seasoned Issuer	No
Ferrellgas Finance Corp. [Member]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Oct. 31, 2012
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Entity Registrant Name	FERRELLGAS FINANCE CORP
Entity Central Index Key	0000922360
Current Fiscal Year End Date	--07-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		1,000
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Well-known Seasoned Issuer	No