State Street SPDR Nuveen ICE High Yield Municipal Bond ETF Investment Objectives and Goals - State Street SPDR Nuveen ICE High Yield Municipal Bond ETF	Jun. 30, 2026
Prospectus [Line Items]
Risk/Return [Heading]	<span style="color:#000000;font-family:Arial;font-size:18pt;font-weight:bold;">State Street</span><span style="color:#000000;font-family:Arial;font-size:11.5pt;font-weight:bold;position:relative;top:-5pt;">®</span><span style="color:#000000;font-family:Arial;font-size:18pt;font-weight:bold;"> SPDR</span><span style="color:#000000;font-family:Arial;font-size:11.5pt;font-weight:bold;position:relative;top:-5pt;">®</span><span style="color:#000000;font-family:Arial;font-size:18pt;font-weight:bold;"> Nuveen ICE High Yield Municipal Bond ETF</span>
Objective [Heading]	<span style="color:#000000;font-family:Arial;font-size:10.5pt;font-weight:bold;margin-left:10.5pt;text-transform:uppercase;">Investment Objective</span>
Objective, Primary [Text Block]	The State Street SPDR Nuveen ICE High Yield Municipal Bond ETF (the “Fund”) seeks to provide investment results that, before fees and expenses, correspond generally to the price and yield performance of an index that tracks the U.S. high yield municipal bond market and to provide income that is exempt from federal income taxes.

State Street SPDR Nuveen ICE High Yield Municipal Bond ETF Investment Objectives and Goals - State Street SPDR Nuveen ICE High Yield Municipal Bond ETF

Jun. 30, 2026

State Street® SPDR® Nuveen ICE High Yield Municipal Bond ETF

Objective [Heading]

Investment Objective

Objective, Primary [Text Block]

The State Street SPDR Nuveen ICE High Yield Municipal Bond ETF (the “Fund”) seeks to provide investment results that, before fees and expenses, correspond generally to the price and yield performance of an index that tracks the U.S. high yield municipal bond market and to provide income that is exempt from federal income taxes.