Label	Element	Value
Abacus FCF International Leaders ETF \| Mount Vernon Liquid Assets Portfolio, LLC [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	12.70%
Abacus FCF International Leaders ETF \| Taiwan Semiconductor Manufacturing Co. Ltd. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.90%
Abacus FCF International Leaders ETF \| ASML Holding NV [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.90%
Abacus FCF International Leaders ETF \| SK hynix, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.10%
Abacus FCF International Leaders ETF \| Advantest Corp. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	3.90%
Abacus FCF International Leaders ETF \| Novartis AG [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	3.30%
Abacus FCF International Leaders ETF \| Rolls-Royce Holdings PLC [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	3.20%
Abacus FCF International Leaders ETF \| Tencent Holdings Ltd. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	3.10%
Abacus FCF International Leaders ETF \| Roche Holding AG [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	2.70%
Abacus FCF International Leaders ETF \| Siemens Energy AG [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	2.60%
Abacus FCF International Leaders ETF \| Cash & Other [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	27.70%
Abacus FCF International Leaders ETF \| Technology [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	23.90%
Abacus FCF International Leaders ETF \| Industrials [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	21.10%
Abacus FCF International Leaders ETF \| Communications [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	10.40%
Abacus FCF International Leaders ETF \| Consumer Discretionary [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	9.70%
Abacus FCF International Leaders ETF \| Materials [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	8.80%
Abacus FCF International Leaders ETF \| Health Care [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	7.40%
Abacus FCF International Leaders ETF \| Consumer Staples [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	7.10%
Abacus FCF International Leaders ETF \| Energy [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.50%
Abacus FCF International Leaders ETF \| Financials [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	3.30%
Abacus FCF International Leaders ETF \| Cash & Other [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	3.80%
Abacus FCF International Leaders ETF \| China
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	20.00%
Abacus FCF International Leaders ETF \| Switzerland
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	11.30%
Abacus FCF International Leaders ETF \| United Kingdom
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	7.60%
Abacus FCF International Leaders ETF \| Japan
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	6.80%
Abacus FCF International Leaders ETF \| Ireland
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	6.30%
Abacus FCF International Leaders ETF \| South Korea
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	5.80%
Abacus FCF International Leaders ETF \| Taiwan
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.90%
Abacus FCF International Leaders ETF \| Netherlands
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.90%
Abacus FCF International Leaders ETF \| Germany
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.70%

Abacus FCF International Leaders ETF | Mount Vernon Liquid Assets Portfolio, LLC [Member]