Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Registrant Name	dei_EntityRegistrantName	WILMINGTON FUNDS
Prospectus Date	rr_ProspectusDate	Aug. 31, 2012
Supplement [Text Block]	wf_SupplementTextBlock	Supplement dated August 28, 2013 to the Wilmington Funds Prospectus dated August 31, 2012 (the “Prospectus”) Effective August 28, 2013, the information in the Prospectus with respect to the Wilmington Rock Maple Alternatives Fund will be amended, supplemented or replaced as follows: Effective August 28, 2013, the relationship between the Wilmington Funds (the ‘Trust”), Wilmington Funds Management Corporation (“WFMC”) and Rock Maple Services, LLC (“Rock Maple”), on behalf of the Wilmington Rock Maple Alternatives Fund was terminated. Accordingly, effective August 28, 2013, the name of the Wilmington Rock Maple Alternatives Fund has been changed to the Wilmington Multi-Manager Alternatives Fund (the “Fund”). As of August 28, 2013, all references to Rock Maple and its portfolio management team in the Prospectus are hereby deleted. As of August 28, 2013, Wilmington Trust Investment Advisors, Inc. (“WTIA”), the Fund’s sub-adviser, determines the Fund’s asset allocation among the different additional sub-advisers. When making these allocation decisions, WTIA considers, among other things, the current macro-economic outlook, relative valuation levels and volatility in the equity, fixed income and commodities markets, market flows and market liquidity, and information relating to business cycles.
Wilmington Multi-Manager Alternatives Fund
Risk/Return:	rr_RiskReturnAbstract
Supplement [Text Block]	wf_SupplementTextBlock	Supplement dated August 28, 2013 to the Wilmington Funds Prospectus dated August 31, 2012 (the “Prospectus”) Effective August 28, 2013, the information in the Prospectus with respect to the Wilmington Rock Maple Alternatives Fund will be amended, supplemented or replaced as follows: Effective August 28, 2013, the relationship between the Wilmington Funds (the ‘Trust”), Wilmington Funds Management Corporation (“WFMC”) and Rock Maple Services, LLC (“Rock Maple”), on behalf of the Wilmington Rock Maple Alternatives Fund was terminated. Accordingly, effective August 28, 2013, the name of the Wilmington Rock Maple Alternatives Fund has been changed to the Wilmington Multi-Manager Alternatives Fund (the “Fund”). As of August 28, 2013, all references to Rock Maple and its portfolio management team in the Prospectus are hereby deleted. As of August 28, 2013, Wilmington Trust Investment Advisors, Inc. (“WTIA”), the Fund’s sub-adviser, determines the Fund’s asset allocation among the different additional sub-advisers. When making these allocation decisions, WTIA considers, among other things, the current macro-economic outlook, relative valuation levels and volatility in the equity, fixed income and commodities markets, market flows and market liquidity, and information relating to business cycles.

Label

Element

Value

Risk/Return:

rr_RiskReturnAbstract

Registrant Name

dei_EntityRegistrantName

WILMINGTON FUNDS

Prospectus Date

rr_ProspectusDate

Aug. 31, 2012

Supplement [Text Block]

wf_SupplementTextBlock

Supplement dated August 28, 2013 to the Wilmington Funds Prospectus dated August 31, 2012

(the “Prospectus”)

Effective August 28, 2013, the information in the Prospectus with respect to the Wilmington Rock Maple Alternatives Fund will be amended, supplemented or replaced as follows:

Effective August 28, 2013, the relationship between the Wilmington Funds (the ‘Trust”), Wilmington Funds Management Corporation (“WFMC”) and Rock Maple Services, LLC (“Rock Maple”), on behalf of the Wilmington Rock Maple Alternatives Fund was terminated. Accordingly, effective August 28, 2013, the name of the Wilmington Rock Maple Alternatives Fund has been changed to the Wilmington Multi-Manager Alternatives Fund (the “Fund”). As of August 28, 2013, all references to Rock Maple and its portfolio management team in the Prospectus are hereby deleted.

As of August 28, 2013, Wilmington Trust Investment Advisors, Inc. (“WTIA”), the Fund’s sub-adviser, determines the Fund’s asset allocation among the different additional sub-advisers. When making these allocation decisions, WTIA considers, among other things, the current macro-economic outlook, relative valuation levels and volatility in the equity, fixed income and commodities markets, market flows and market liquidity, and information relating to business cycles.