v3.25.2
Shareholder Report
 6 Months Ended
Apr. 30, 2025
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name SPDR SERIES TRUST
Entity Central Index Key 0001064642
Entity Investment Company Type N-1A
Document Period End Date Apr. 30, 2025
C000253542  
Shareholder Report [Line Items]  
Fund Name SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF
Trading Symbol CERY
Security Exchange Name NYSE
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF (the "Fund") for the period of November 1, 2024 through April 30, 2025.
Shareholder Report Annual or Semi-Annual Semi-Annual Shareholder Report
Additional Information [Text Block] You can find additional information about the Fund, including the Prospectus, Statement of Additional Information, financial statements and other information at www.ssga.com/us/en/institutional/fund-finder?tab=documents&type=etfs. You can also request this information about the Fund by contacting us at 1-866-787-2257.
Additional Information Phone Number 1-866-787-2257
Additional Information Website <span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 400; grid-area: auto; line-height: 14.4px; margin: 0px; overflow: visible; text-align: left; white-space-collapse: preserve-breaks;">www.ssga.com/us/en/institutional/fund-finder?tab=documents&type=etfs</span>
Expenses [Text Block]

What were the Fund costs for the last six months? (based on a hypothetical $10,000 Investment)

Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
SPDR Bloomberg Enhanced Roll Yield Commodity Strategy No K-1 ETF
$11
0.22%Footnote Reference*
Footnote Description
Footnote*
 Annualized.
Expenses Paid, Amount $ 11
Expense Ratio, Percent 0.22% [1]
AssetsNet $ 416,274,179
Holdings Count | Holding 23
InvestmentCompanyPortfolioTurnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of 4/30/2025

  • Total Net Assets$416,274,179
  • Number of Portfolio Holdings23
  • Portfolio Turnover Rate0%
Largest Holdings [Text Block]

Top Ten Holdings

Holdings
%
State Street Institutional US Government Money Market Fund, 4.33%, due 12/31/30
86.9%
U.S. Treasury Bills, 4.16%, due 05/29/25
3.6%
U.S. Treasury Bills, 4.20%, due 06/05/25
3.6%
U.S. Treasury Bills, 4.02%, due 05/15/25
3.6%
U.S. Treasury Bills, 4.26%, due 07/17/25
2.4%
U.S. Treasury Bills, Zero Coupon, due 05/01/25
0.1%
Bloomberg Enhanced Roll Yield Index Total Return Swap, due 06/30/25
0.0%
Bloomberg Enhanced Roll Yield Index Total Return Swap, due 06/30/25
0.0%
Bloomberg Enhanced Roll Yield Index Total Return Swap, due 06/05/25
0.0%
Bloomberg Enhanced Roll Yield Index Total Return Swap, due 06/05/25
0.0%

Includes holdings of the wholly-owned subsidiary. 
[1] Annualized.