Label	Element	Value
Prospectus:	rr_ProspectusTable
Document Type	dei_DocumentType	Other
Document Period End Date	dei_DocumentPeriodEndDate	Dec. 31, 2016
Entity Registrant Name	dei_EntityRegistrantName	GUGGENHEIM FUNDS TRUST
Central Index Key	dei_EntityCentralIndexKey	0000088525
Amendment Flag	dei_AmendmentFlag	false
Document Creation Date	dei_DocumentCreationDate	Mar. 13, 2017
Document Effective Date	dei_DocumentEffectiveDate	Mar. 13, 2017
Prospectus Date	rr_ProspectusDate	Jan. 01, 2017
GUGGENHEIM FUNDS TRUST \| Guggenheim Alpha Opportunity Fund
Prospectus:	rr_ProspectusTable
Supplement [Text Block]	ck000000000_SupplementTextBlock	Guggenheim Funds Trust 805 King Farm Blvd., Suite 600 Rockville, Maryland 20850 Supplement Dated March 13, 2017 to the currently effective Statutory Prospectus (the “Prospectus”), as may be supplemented from time to time, for Guggenheim Alpha Opportunity Fund (the “Fund”) This supplement provides updated information beyond that contained in the Prospectus and should be read in conjunction with the Prospectus.
Performance Table Narrative	rr_PerformanceTableNarrativeTextBlock	The Fund has selected the BofA Merrill Lynch 3-Month U.S. Treasury Bill Index as its primary benchmark index as a replacement for the S&P 500 Index. The Fund selected the BofA Merrill Lynch 3-Month U.S. Treasury Bill Index as its primary benchmark index because it believes that this index is more reflective of its investment style. Effective immediately, the following entry is added to the table in the section of the Prospectus entitled “Performance Information—Average Annual Total Returns (for the periods ended December 31, 2016)” as it relates to the Fund:
GUGGENHEIM FUNDS TRUST \| Guggenheim Alpha Opportunity Fund \| BofA Merrill Lynch 3-Month U.S. Treasury Bill Index
Prospectus:	rr_ProspectusTable
Index No Deduction for Fees, Expenses, Taxes [Text]	rr_IndexNoDeductionForFeesExpensesTaxes	(reflects no deductions for fees, expenses or taxes)
Label	rr_AverageAnnualReturnLabel	BofA Merrill Lynch 3-Month U.S. Treasury Bill Index (reflects no deductions for fees, expenses or taxes)
1 Year	rr_AverageAnnualReturnYear01	0.33%
5 Years	rr_AverageAnnualReturnYear05	0.12%
10 Years	rr_AverageAnnualReturnYear10	0.80%

Label

Element

Value

Prospectus:

rr_ProspectusTable

Document Type

dei_DocumentType

Other

Document Period End Date

dei_DocumentPeriodEndDate

Dec. 31, 2016

Entity Registrant Name

dei_EntityRegistrantName

GUGGENHEIM FUNDS TRUST

Central Index Key

dei_EntityCentralIndexKey

0000088525

Amendment Flag

dei_AmendmentFlag

false

Document Creation Date

dei_DocumentCreationDate

Mar. 13, 2017

Document Effective Date

dei_DocumentEffectiveDate

Mar. 13, 2017

Prospectus Date

rr_ProspectusDate

Jan. 01, 2017

GUGGENHEIM FUNDS TRUST | Guggenheim Alpha Opportunity Fund

Prospectus:

rr_ProspectusTable

Supplement [Text Block]

ck000000000_SupplementTextBlock

Guggenheim Funds Trust

805 King Farm Blvd., Suite 600

Rockville, Maryland 20850

Supplement Dated March 13, 2017

to the currently effective Statutory Prospectus (the “Prospectus”), as may be supplemented from time to time, for Guggenheim Alpha Opportunity Fund (the “Fund”)

This supplement provides updated information beyond that contained in the Prospectus and should be read in conjunction with the Prospectus.

Performance Table Narrative

rr_PerformanceTableNarrativeTextBlock

The Fund has selected the BofA Merrill Lynch 3-Month U.S. Treasury Bill Index as its primary benchmark index as a replacement for the S&P 500 Index. The Fund selected the BofA Merrill Lynch 3-Month U.S. Treasury Bill Index as its primary benchmark index because it believes that this index is more reflective of its investment style.

Effective immediately, the following entry is added to the table in the section of the Prospectus entitled “Performance Information—Average Annual Total Returns (for the periods ended December 31, 2016)” as it relates to the Fund:

GUGGENHEIM FUNDS TRUST | Guggenheim Alpha Opportunity Fund | BofA Merrill Lynch 3-Month U.S. Treasury Bill Index

Prospectus:

rr_ProspectusTable

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses or taxes)

Label

rr_AverageAnnualReturnLabel

BofA Merrill Lynch 3-Month U.S. Treasury Bill Index (reflects no deductions for fees, expenses or taxes)

1 Year

rr_AverageAnnualReturnYear01

0.33%

5 Years

rr_AverageAnnualReturnYear05

0.12%

10 Years

rr_AverageAnnualReturnYear10

0.80%