Shareholder Fees	Aug. 31, 2024
Invesco Treasury Portfolio - Cash Management Class \| Invesco Treasury Portfolio \| Cash Management Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Government & Agency Portfolio - Cash Management Class \| Invesco Government & Agency Portfolio \| Cash Management Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Treasury Obligations Portfolio - Cash Management Class \| Invesco Treasury Obligations Portfolio \| Cash Management Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Treasury Portfolio - CAVU Securities Class \| Invesco Treasury Portfolio \| CAVU Securities Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Government & Agency Portfolio - CAVU Securities Class \| Invesco Government & Agency Portfolio \| CAVU Securities Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Treasury Portfolio - Corporate Class \| Invesco Treasury Portfolio \| Corporate Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Government & Agency Portfolio - Corporate Class \| Invesco Government & Agency Portfolio \| Corporate Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Treasury Obligations Portfolio - Corporate Class \| Invesco Treasury Obligations Portfolio \| Corporate Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Treasury Portfolio - Institutional Class \| Invesco Treasury Portfolio \| Institutional Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Government & Agency Portfolio - Institutional Class \| Invesco Government & Agency Portfolio \| Institutional Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Treasury Obligations Portfolio - Institutional Class \| Invesco Treasury Obligations Portfolio \| Institutional Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Treasury Portfolio - Personal Investment Class \| Invesco Treasury Portfolio \| Personal Investment Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Government & Agency Portfolio - Personal Investment Class \| Invesco Government & Agency Portfolio \| Personal Investment Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Treasury Obligations Portfolio - Personal Investment Class \| Invesco Treasury Obligations Portfolio \| Personal Investment Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Government & Agency Portfolio - Premier Class \| Invesco Government & Agency Portfolio \| Premier Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Treasury Portfolio - Private Investment Class \| Invesco Treasury Portfolio \| Private Investment Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Government & Agency Portfolio - Private Investment Class \| Invesco Government & Agency Portfolio \| Private Investment Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Treasury Obligations Portfolio - Private Investment Class \| Invesco Treasury Obligations Portfolio \| Private Investment Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Treasury Portfolio - Reserve Class \| Invesco Treasury Portfolio \| Reserve Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Government & Agency Portfolio - Reserve Class \| Invesco Government & Agency Portfolio \| Reserve Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Treasury Obligations Portfolio - Reserve Class \| Invesco Treasury Obligations Portfolio \| Reserve Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Treasury Portfolio - Resource Class \| Invesco Treasury Portfolio \| Resource Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Government & Agency Portfolio - Resource Class \| Invesco Government & Agency Portfolio \| Resource Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%
Invesco Treasury Obligations Portfolio - Resource Class \| Invesco Treasury Obligations Portfolio \| Resource Class
Prospectus [Line Items]
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%

Invesco Treasury Portfolio - Cash Management Class | Invesco Treasury Portfolio | Cash Management Class