Label	Element	Value
Pacer American Energy Infrastructure ETF \| Mount Vernon Liquid Assets Portfolio, LLC [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	13.40%
Pacer American Energy Infrastructure ETF \| Energy Transfer LP [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	7.60%
Pacer American Energy Infrastructure ETF \| Williams Cos., Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	7.40%
Pacer American Energy Infrastructure ETF \| Enbridge, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	7.30%
Pacer American Energy Infrastructure ETF \| Enterprise Products Partners LP [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	7.30%
Pacer American Energy Infrastructure ETF \| TC Energy Corp. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	7.20%
Pacer American Energy Infrastructure ETF \| Cheniere Energy, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	6.90%
Pacer American Energy Infrastructure ETF \| Targa Resources Corp. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.60%
Pacer American Energy Infrastructure ETF \| ONEOK, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.30%
Pacer American Energy Infrastructure ETF \| Kinder Morgan, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.10%
Pacer American Energy Infrastructure ETF \| Energy [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	99.80%
Pacer American Energy Infrastructure ETF \| Cash & Other [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	0.20%