Average Annual Total Returns

12 Months Ended

60 Months Ended

120 Months Ended

Aug. 31, 2024

Dec. 31, 2023

Dec. 31, 2023

Dec. 31, 2023

Invesco Treasury Portfolio - Cash Management Class | Cash Management Class

Prospectus [Line Items]

Average Annual Return, Percent

4.98%

1.74%

1.12%

Performance Inception Date

Aug. 18, 1993

Invesco Government & Agency Portfolio - Cash Management Class | Cash Management Class

Prospectus [Line Items]

Average Annual Return, Percent

4.99%

1.77%

1.14%

Performance Inception Date

Sep. 01, 1998

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

Prospectus [Line Items]

Average Annual Return, Percent

4.87%

1.71%

1.11%

Performance Inception Date

Dec. 30, 1999

Invesco Treasury Portfolio - CAVU Securities Class | CAVU Securities Class

Prospectus [Line Items]

Average Annual Return, Percent

^[1]

5.07%

1.80%

1.17%

Performance Inception Date

^[1]

Dec. 18, 2020

Invesco Government & Agency Portfolio - CAVU Securities Class | CAVU Securities Class

Prospectus [Line Items]

Average Annual Return, Percent

^[2]

5.08%

1.82%

1.20%

Performance Inception Date

^[2]

Dec. 18, 2020

Invesco Treasury Portfolio - Corporate Class | Corporate Class

Prospectus [Line Items]

Average Annual Return, Percent

5.04%

1.78%

1.15%

Performance Inception Date

Aug. 01, 2005

Invesco Government & Agency Portfolio - Corporate Class | Corporate Class

Prospectus [Line Items]

Average Annual Return, Percent

5.05%

1.80%

1.18%

Performance Inception Date

Jun. 30, 2005

Invesco Treasury Obligations Portfolio - Corporate Class | Corporate Class

Prospectus [Line Items]

Average Annual Return, Percent

4.92%

1.75%

1.14%

Performance Inception Date

Feb. 23, 2006

Invesco Treasury Portfolio - Institutional Class | Institutional Class

Prospectus [Line Items]

Average Annual Return, Percent

5.07%

1.80%

1.17%

Performance Inception Date

Apr. 12, 1984

Invesco Government & Agency Portfolio - Institutional Class | Institutional Class

Prospectus [Line Items]

Average Annual Return, Percent

5.08%

1.82%

1.20%

Performance Inception Date

Sep. 01, 1998

Invesco Treasury Obligations Portfolio - Institutional Class | Institutional Class

Prospectus [Line Items]

Average Annual Return, Percent

4.96%

1.77%

1.16%

Performance Inception Date

Aug. 17, 1990

Invesco Treasury Portfolio - Personal Investment Class | Personal Investment Class

Prospectus [Line Items]

Average Annual Return, Percent

4.49%

1.46%

0.89%

Performance Inception Date

Aug. 08, 1991

Invesco Government & Agency Portfolio - Personal Investment Class | Personal Investment Class

Prospectus [Line Items]

Average Annual Return, Percent

4.50%

1.48%

0.91%

Performance Inception Date

Jan. 31, 2000

Invesco Treasury Obligations Portfolio - Personal Investment Class | Personal Investment Class

Prospectus [Line Items]

Average Annual Return, Percent

4.39%

1.43%

0.89%

Performance Inception Date

May 31, 2001

Invesco Government & Agency Portfolio - Premier Class | Premier Class

Prospectus [Line Items]

Average Annual Return, Percent

^[3]

5.08%

1.82%

1.20%

Performance Inception Date

^[3]

Jun. 07, 2024

Invesco Treasury Portfolio - Private Investment Class | Private Investment Class

Prospectus [Line Items]

Average Annual Return, Percent

4.75%

1.61%

1.00%

Performance Inception Date

Nov. 22, 1991

Invesco Government & Agency Portfolio - Private Investment Class | Private Investment Class

Prospectus [Line Items]

Average Annual Return, Percent

4.76%

1.63%

1.02%

Performance Inception Date

Sep. 01, 1998

Invesco Treasury Obligations Portfolio - Private Investment Class | Private Investment Class

Prospectus [Line Items]

Average Annual Return, Percent

4.69%

1.60%

1.02%

Performance Inception Date

Dec. 21, 1994

Invesco Treasury Portfolio - Reserve Class | Reserve Class

Prospectus [Line Items]

Average Annual Return, Percent

4.16%

1.28%

0.77%

Performance Inception Date

Jan. 04, 1999

Invesco Government & Agency Portfolio - Reserve Class | Reserve Class

Prospectus [Line Items]

Average Annual Return, Percent

4.17%

1.30%

0.79%

Performance Inception Date

Jan. 26, 2000

Invesco Treasury Obligations Portfolio - Reserve Class | Reserve Class

Prospectus [Line Items]

Average Annual Return, Percent

4.05%

1.25%

0.77%

Performance Inception Date

Jun. 23, 2003

Invesco Treasury Portfolio - Resource Class | Resource Class

Prospectus [Line Items]

Average Annual Return, Percent

4.90%

1.69%

1.07%

Performance Inception Date

Mar. 06, 1996

Invesco Government & Agency Portfolio - Resource Class | Resource Class

Prospectus [Line Items]

Average Annual Return, Percent

4.91%

1.71%

1.10%

Performance Inception Date

Sep. 01, 1998

Invesco Treasury Obligations Portfolio - Resource Class | Resource Class

Prospectus [Line Items]

Average Annual Return, Percent

4.79%

1.66%

1.06%

Performance Inception Date

Dec. 30, 1999

[1]	Performance shown prior to the inception date is that of the Fund’s Institutional Class shares. The inception date of the Fund’s Institutional Class shares is April 12, 1984. Although invested in the same portfolio of securities, CAVU Securities Class shares' returns of the Fund will be different from Institutional Class returns of the Fund as they have different expenses.
[2]	Performance shown prior to the inception date is that of the Fund’s Institutional Class shares. The inception date of the Fund’s Institutional Class shares is September 1, 1998. Although invested in the same portfolio of securities, CAVU Securities Class shares' returns of the Fund will be different from Institutional Class returns of the Fund as they have different expenses.
[3]	Premier Class shares’ performance shown prior to the inception date is that of the Fund’s Institutional Class shares. Institutional Class shares’ performance reflects any applicable fee waivers and/or expense reimbursements. The inception date of the Fund’s Institutional Class shares is September 1, 1998.