Expense Example - American Century ETF Trust - Avantis All International Markets Value ETF Series - Avantis All International Markets Value ETF Class	Jan. 01, 2026 USD ($)
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 35
Expense Example, with Redemption, 3 Years	110
Expense Example, with Redemption, 5 Years	191
Expense Example, with Redemption, 10 Years	$ 431

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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