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 SSGA Active Trust
Entity Central Index Key 0001516212
Entity Investment Company Type N-1A
Document Period End Date Apr. 30, 2025
C000256834  
Shareholder Report [Line Items]  
Fund Name SPDR Bridgewater All Weather ETF
Trading Symbol ALLW
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the SPDR Bridgewater All Weather ETF (the "Fund") for the period of March 6, 2025 (commencement of operations) 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 Bridgewater All Weather ETF
$12
0.79%Footnote Reference*

The dollar amount above reflects expenses paid since the commencement of operations. Expenses for the full reporting period would be higher.

Footnote Description
Footnote*
 Annualized.
Expenses Paid, Amount $ 12
Expense Ratio, Percent 0.79% [1]
AssetsNet $ 186,991,401
Holdings Count | Holding 61
InvestmentCompanyPortfolioTurnover 0.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of 4/30/2025

  • Total Net Assets$186,991,401
  • Number of Portfolio Holdings61
  • Portfolio Turnover Rate0%
Holdings [Text Block]

Top Security Types

Asset
%
Short-Term Investments
38.0%
U.S. Treasury Obligations
37.8%
Mutual Funds and Exchange Traded Products
20.7%
Largest Holdings [Text Block]

Top Ten Holdings

Holdings
%
SPDR Portfolio S&P 500 ETF
13.9%
U.S. Treasury Bills, 4.21%, due 07/10/25
5.5%
SPDR Portfolio Emerging Markets ETF
4.3%
U.S. Treasury Inflation-Indexed Notes, 1.88%, due 07/15/34
3.7%
U.S. Treasury Inflation-Indexed Notes, 1.75%, due 01/15/34
3.6%
U.S. Treasury Inflation-Indexed Notes, 1.13%, due 01/15/33
3.3%
U.S. Treasury Inflation-Indexed Notes, 0.63%, due 07/15/32
3.2%
U.S. Treasury Inflation-Indexed Notes, 2.13%, due 01/15/35
3.0%
U.S. Treasury Inflation-Indexed Notes, 1.38%, due 07/15/33
2.8%
SPDR S&P China ETF
2.5%
C000253656  
Shareholder Report [Line Items]  
Fund Name SPDR Galaxy Digital Asset Ecosystem ETF
Trading Symbol DECO
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the SPDR Galaxy Digital Asset Ecosystem 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 Galaxy Digital Asset Ecosystem ETF
$29
0.65%Footnote Reference*
Footnote Description
Footnote*
 Annualized.
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.65% [2]
AssetsNet $ 7,404,772
Holdings Count | Holding 25
InvestmentCompanyPortfolioTurnover 97.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of 4/30/2025

  • Total Net Assets$7,404,772
  • Number of Portfolio Holdings25
  • Portfolio Turnover Rate97%
Holdings [Text Block]

Top Ten Industries

Industry
%
Software
34.2%
Capital Markets
17.1%
Mutual Funds and Exchange Traded Products
12.6%
Financial Services
11.2%
Semiconductors & Semiconductor Equipment
5.3%
Banks
4.2%
Electrical Equipment
3.3%
Electronic Equipment, Instruments & Components
2.5%
Technology Hardware, Storage & Peripherals
2.2%
Interactive Media & Services
2.0%
Largest Holdings [Text Block]

Top Ten Holdings

Holdings
%
Core Scientific, Inc.
12.7%
iShares Bitcoin Trust ETF
12.6%
Cipher Mining, Inc.
8.6%
Coinbase Global, Inc., Class A
6.5%
Riot Platforms, Inc.
6.0%
Robinhood Markets, Inc., Class A
5.0%
Cleanspark, Inc.
4.4%
JPMorgan Chase & Co.
4.2%
Mastercard, Inc., Class A
4.2%
Visa, Inc., Class A
4.2%
C000253658  
Shareholder Report [Line Items]  
Fund Name SPDR Galaxy Hedged Digital Asset Ecosystem ETF
Trading Symbol HECO
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the SPDR Galaxy Hedged Digital Asset Ecosystem 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 Galaxy Hedged Digital Asset Ecosystem ETF
$40
0.87%Footnote Reference*
Footnote Description
Footnote*
 Annualized.
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.87% [3]
AssetsNet $ 52,254,530
Holdings Count | Holding 61
InvestmentCompanyPortfolioTurnover 97.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of 4/30/2025

  • Total Net Assets$52,254,530
  • Number of Portfolio Holdings61
  • Portfolio Turnover Rate97%
Holdings [Text Block]

Top Ten Industries

Industry
%
Software
34.4%
Capital Markets
16.9%
Mutual Funds and Exchange Traded Products
12.7%
Financial Services
11.3%
Semiconductors & Semiconductor Equipment
5.4%
Banks
4.3%
Electrical Equipment
3.2%
Electronic Equipment, Instruments & Components
2.5%
Technology Hardware, Storage & Peripherals
2.5%
Interactive Media & Services
2.1%
Largest Holdings [Text Block]

Top Ten Holdings

Holdings
%
Core Scientific, Inc.
12.7%
iShares Bitcoin Trust ETF
12.7%
Cipher Mining, Inc.
8.7%
Coinbase Global, Inc., Class A
6.3%
Riot Platforms, Inc.
6.0%
Robinhood Markets, Inc., Class A
5.0%
Cleanspark, Inc.
4.4%
JPMorgan Chase & Co.
4.3%
Mastercard, Inc., Class A
4.3%
Visa, Inc., Class A
4.3%
C000253657  
Shareholder Report [Line Items]  
Fund Name SPDR Galaxy Transformative Tech Accelerators ETF
Trading Symbol TEKX
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the SPDR Galaxy Transformative Tech Accelerators 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 Galaxy Transformative Tech Accelerators ETF
$28
0.65%Footnote Reference*
Footnote Description
Footnote*
 Annualized.
Expenses Paid, Amount $ 28
Expense Ratio, Percent 0.65% [4]
AssetsNet $ 1,363,120
Holdings Count | Holding 28
InvestmentCompanyPortfolioTurnover 79.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of 4/30/2025

  • Total Net Assets$1,363,120
  • Number of Portfolio Holdings28
  • Portfolio Turnover Rate79%
Holdings [Text Block]

Top Ten Industries

Industry
%
Software
33.1%
Electrical Equipment
14.4%
Financial Services
7.7%
Capital Markets
5.2%
Electric Utilities
5.0%
Specialized REITs
4.5%
Multi-Utilities
3.9%
Oil, Gas & Consumable Fuels
3.6%
Semiconductors & Semiconductor Equipment
3.0%
Electronic Equipment, Instruments & Components
2.9%
Largest Holdings [Text Block]

Top Ten Holdings

Holdings
%
Core Scientific, Inc.
11.5%
Cipher Mining, Inc.
9.1%
Riot Platforms, Inc.
6.0%
Coinbase Global, Inc., Class A
5.2%
NRG Energy, Inc.
5.0%
Equinix, Inc.
4.5%
Visa, Inc., Class A
4.2%
Hubbell, Inc.
4.1%
Public Service Enterprise Group, Inc.
3.9%
Exxon Mobil Corp.
3.6%
C000255285  
Shareholder Report [Line Items]  
Fund Name SPDR SSGA IG Public & Private Credit ETF
Trading Symbol PRIV
Security Exchange Name NYSE
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the SPDR SSGA IG Public & Private Credit ETF (the "Fund") for the period of February 27, 2025 (commencement of operations) 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 SSGA IG Public & Private Credit ETF
$12
0.70%Footnote Reference*

The dollar amount above reflects expenses paid since the commencement of operations. Expenses for the full reporting period would be higher.

Footnote Description
Footnote*
 Annualized.
Expenses Paid, Amount $ 12
Expense Ratio, Percent 0.70% [5]
AssetsNet $ 55,114,296
Holdings Count | Holding 148
InvestmentCompanyPortfolioTurnover 5.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of 4/30/2025

  • Total Net Assets$55,114,296
  • Number of Portfolio Holdings148
  • Portfolio Turnover Rate5%
Holdings [Text Block]

Top Ten Industries

Industry
%
U.S. Government Agency Obligations
21.6%
Asset-Backed Securities
7.8%
U.S. Treasury Obligations
6.9%
Investment Company Security
6.6%
Mortgage-Backed Securities
5.4%
Banks
5.2%
Electric
4.9%
Commercial Mortgage-Backed Securities
3.3%
Semiconductors
2.2%
Insurance
2.2%
Largest Holdings [Text Block]

Top Ten Holdings

Holdings
%
Federal Home Loan Mortgage Corp., 2.50%, due 05/01/51
8.7%
Federal National Mortgage Association, 3.00%, due 04/01/52
8.1%
Federal National Mortgage Association, 3.00%, due 03/01/52
4.8%
U.S. Treasury Bonds, 4.63%, due 02/15/55
2.8%
AP Grange Holdings, 6.50%, due 03/20/45
2.7%
U.S. Treasury Notes, 4.63%, due 02/15/35
2.4%
Bank, Class A4, 3.92%, due 04/15/65
1.7%
U.S. Treasury Notes, 4.13%, due 01/31/27
1.6%
Bank, Class AS, 2.84%, due 01/15/63
1.6%
RR 27 Ltd., Class C2, 10.18%, due 10/15/35
1.4%
[1] Annualized.
[2] Annualized.
[3] Annualized.
[4] Annualized.
[5] Annualized.