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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Document And Entity Information (USD $)	12 Months Ended
Document And Entity Information (USD $)	Jul. 31, 2011	Aug. 31, 2011	Jan. 31, 2011
Document Type	10-K
Amendment Flag	false
Document Period End Date	Jul. 31, 2011
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	FY
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 Well-known Seasoned Issuer	Yes
Entity Public Float			$ 1,439,757,680
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Ferrellgas Partners, L.P. [Member]
Entity Common Stock, Shares Outstanding		75,966,353
Ferrellgas Partners Finance Corp. [Member]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Jul. 31, 2011
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	FY
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 Well-known Seasoned Issuer	No
Entity Public Float
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Ferrellgas, L.P. [Member]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Jul. 31, 2011
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	FY
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 Common Stock, Shares Outstanding
Entity Well-known Seasoned Issuer	No
Entity Public Float
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Ferrellgas Finance Corp. [Member]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Jul. 31, 2011
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	FY
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 Well-known Seasoned Issuer	No
Entity Public Float
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No