Equity (Deficit) - Ownership (Details)	9 Months Ended
Apr. 30, 2024 shares
Capital Unit [Line Items]
Minimum percentage ownership of outstanding common units resulting in non voting of owners	20.00%
Ferrellgas Partners LP \| Ferrell Companies
Capital Unit [Line Items]
Limited partner ownership interest	23.40%
Ferrellgas, L.P.
Capital Unit [Line Items]
Limited partner ownership interest	98.00%
Ferrell Companies \| Ferrellgas Partners LP
Capital Unit [Line Items]
Limited partner ownership interest	23.00%
FCI Trading Corp. \| Ferrell Companies
Capital Unit [Line Items]
Limited partner unitholders, units outstanding	9,784
Ferrell Propane, Inc. \| Ferrell Companies
Capital Unit [Line Items]
Limited partner unitholders, units outstanding	2,560
JEF Capital Management \| James E. Ferrell
Capital Unit [Line Items]
Limited partner unitholders, units outstanding	237,942
Ferrell Resources Holdings, Inc. \| Ferrellgas Partners LP \| James E. Ferrell
Capital Unit [Line Items]
Limited partner unitholders, units outstanding	230
Ferrellgas Partners LP \| Ferrellgas, L.P.
Capital Unit [Line Items]
Limited partner ownership interest	99.00%

Minimum Percentage Ownership Of Outstanding Common Units Resulting In Non-Voting Of Owners

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482987/272-10-50-3

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- Definition

The number of limited partner units outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-5

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