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State Street SPDR SP 1500 Momentum Tilt ETF Average Annual Total Returns
12 Months Ended 28 Months Ended 60 Months Ended 65 Months Ended 86 Months Ended 96 Months Ended 118 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
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Dec. 31, 2025
S&P 1500 Positive Momentum Tilt Index (reflects no deduction for fees, expenses or taxes)[Member]                  
Prospectus [Line Items]                  
Average Annual Return, Percent 13.28%   13.94%           14.46%
S&P 500 Index (reflects no deduction for fees, expenses or taxes)[Member]                  
Prospectus [Line Items]                  
Average Annual Return, Percent 17.88% 21.76% 14.42% 16.50% 15.33% 14.27% 15.31% 15.77% 14.82%
State Street SPDR SP 1500 Momentum Tilt ETF                  
Prospectus [Line Items]                  
Average Annual Return, Percent 13.16%   13.77%           14.30%
State Street SPDR SP 1500 Momentum Tilt ETF | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Percent 12.91%   13.45%           13.91%
State Street SPDR SP 1500 Momentum Tilt ETF | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Percent 7.94%   10.98%           11.93%