Document And Entity Information	6 Months Ended
	Jan. 31, 2012	Feb. 29, 2012
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jan. 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
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
Ferrellgas Partners, L.P. [Member]
Entity Common Stock, Shares Outstanding		78,957,969
Ferrellgas Partners Finance Corp. [Member]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jan. 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
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
Ferrellgas Finance Corp. [Member]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jan. 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
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
Ferrellgas, L.P. [Member]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jan. 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
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