2.2.0.25truefalse00090 - Document - Document and Entity Informationtruefalsefalse1falsefalseUSDfalsefalse8/1/2010 - 10/31/2010 USD ($) USD ($) / shares $Duration_8_1_2010_To_10_31_2010http://www.sec.gov/CIK0000922358duration2010-08-01T00:00:002010-10-31T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit13Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2falsefalsetruefalse{dei_LegalEntityAxis} : FERRELLGAS PARTNERS, L.P. [Member] 11/30/2010 As_Of_11_30_20103http://www.sec.gov/CIK0000922358instant2010-11-30T00:00:000001-01-01T00:00:00falsefalseFERRELLGAS PARTNERS, L.P. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_ParentMemberdei_LegalEntityAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli03falsefalseUSDtruefalse{dei_LegalEntityAxis} : FERRELLGAS PARTNERS FINANCE CORP. [Member] 8/1/2010 - 10/31/2010 USD ($) $Duration_8_1_2010_To_10_31_20104http://www.sec.gov/CIK0000922358duration2010-08-01T00:00:002010-10-31T00:00:00falsefalseFERRELLGAS PARTNERS FINANCE CORP. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldifgp_FerrellgasPartnersFinanceCorpMemberdei_LegalEntityAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4falsefalsetruefalse{dei_LegalEntityAxis} : FERRELLGAS PARTNERS FINANCE CORP. [Member] 11/30/2010 As_Of_11_30_20102http://www.sec.gov/CIK0000922358instant2010-11-30T00:00:000001-01-01T00:00:00falsefalseFERRELLGAS PARTNERS FINANCE CORP. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldifgp_FerrellgasPartnersFinanceCorpMemberdei_LegalEntityAxisexplicitMemberUnit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli05falsefalsetruefalse{dei_LegalEntityAxis} : FERRELLGAS, L.P. [Member] 8/1/2010 - 10/31/2010 Duration_8_1_2010_To_10_31_20103http://www.sec.gov/CIK0000922358duration2010-08-01T00:00:002010-10-31T00:00:00falsefalseFERRELLGAS, L.P. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldifgp_FerrellgasLPMemberdei_LegalEntityAxisexplicitMember6falsefalseUSDtruefalse{dei_LegalEntityAxis} : FERRELLGAS FINANCE CORP. [Member] 8/1/2010 - 10/31/2010 USD ($) $Duration_8_1_2010_To_10_31_20102http://www.sec.gov/CIK0000922358duration2010-08-01T00:00:002010-10-31T00:00:00falsefalseFERRELLGAS FINANCE CORP. [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldifgp_FerrellgasFinanceCorpMemberdei_LegalEntityAxisexplicitMemberUnit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$7falsefalsetruefalse{dei_LegalEntityAxis} : FERRELLGAS FINANCE CORP. [Member] 11/30/2010 As_Of_11_30_2010http://www.sec.gov/CIK0000922358instant2010-11-30T00:00:000001-01-01T00:00:00falsefalseFERRELLGAS FINANCE CORP. 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Example: 2006.No authoritative reference available.falsefalseDocument Fiscal Year Focus6false0dei_DocumentFiscalPeriodFocusdeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Q1Q1falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00Q1Q1falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00Q1Q1falsefalsefalsetruefalse6falsefalsefalse00Q1Q1falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalseOtherus-types:fiscalPeriodItemTypenaThis is focus fiscal period of the document report. For a first quarter 2006 quarterly report, which may also provide financial information from prior periods, the first fiscal quarter should be given as the fiscal period focus. Values: FY, Q1, Q2, Q3, Q4, H1, H2, M9, T1, T2, T3, M8, CY.No authoritative reference available.falsefalseDocument Fiscal Period Focus7false0dei_EntityRegistrantNamedeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00FERRELLGAS PARTNERS L PFERRELLGAS PARTNERS L Pfalsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00FERRELLGAS PARTNERS FINANCE CORPFERRELLGAS PARTNERS FINANCE CORPfalsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00FERRELLGAS L PFERRELLGAS L Pfalsefalsefalsetruefalse6falsefalsefalse00FERRELLGAS FINANCE CORPFERRELLGAS FINANCE CORPfalsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:normalizedStringItemTypenormalizedstringThe exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation 12B -Number 240 -Section 12b -Subsection 1 falsefalseEntity Registrant Name8false0dei_EntityCentralIndexKeydeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse0000009223580000922358falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse0000010124930001012493falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse0000009223590000922359falsefalsefalsetruefalse6falsefalsefalse0000009223600000922360falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalseOtherus-types:centralIndexKeyItemTypenaA unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation 12B -Number 240 -Section 12b -Subsection 1 falsefalseEntity Central Index Key9false0dei_CurrentFiscalYearEndDatedeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00--07-31--07-31falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00--07-31--07-31falsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00--07-31--07-31falsefalsefalsetruefalse6falsefalsefalse00--07-31--07-31falsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:gMonthDayItemTypemonthdayEnd date of current fiscal year in the format --MM-DD.No authoritative reference available.falsefalseCurrent Fiscal Year End Date10false0dei_EntityFilerCategorydeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Large Accelerated FilerLarge Accelerated Filerfalsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsetruefalse3falsefalsefalse00Non-accelerated FilerNon-accelerated Filerfalsefalsefalsetruefalse4falsefalsefalse00falsefalsefalsetruefalse5falsefalsefalse00Non-accelerated FilerNon-accelerated Filerfalsefalsefalsetruefalse6falsefalsefalse00Non-accelerated FilerNon-accelerated Filerfalsefalsefalsetruefalse7falsefalsefalse00falsefalsefalsetruefalseOtherus-types:filerCategoryItemTypenaIndicate whether the registrant is one of the following: (1) Large Accelerated Filer, (2) Accelerated Filer, (3) Non-accelerated Filer, or (4) Smaller Reporting Company. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.No authoritative reference available.falsefalseEntity Filer Category11false0dei_EntityCommonStockSharesOutstandingdeifalsenainstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse7082691070826910falsefalsefalsetruefalse3falsefalsefalse00falsefalsefalsetruefalse4truefalsefalse10001000falsefalsefalsetruefalse5falsefalsefalse00falsefalsefalsetruefalse6falsefalsefalse00falsefalsefalsetruefalse7truefalsefalse10001000falsefalsefalsetruefalseSharesxbrli:sharesItemTypesharesIndicate number of shares outstanding of each of registrant's classes of common stock, as of latest practicable date. Where multiple classes exist define each class by adding class of stock items such as Common Class A [Member], Common Class B [Member] onto the Instrument [Domain] of the Entity Listings, InstrumentNo authoritative reference available.falsefalseEntity Common Stock, Shares Outstanding710Document and Entity InformationUnKnownNoRoundingUnKnownUnKnownfalsetrue