v3.26.1
Label Element Value
LifeX 2060 Inflation-Protected Longevity Income ETF | U.S. Treasury Securities [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 88.30%
LifeX 2060 Inflation-Protected Longevity Income ETF | U.S. Treasury Bills [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 6.60%
LifeX 2060 Inflation-Protected Longevity Income ETF | Money Market Funds [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 4.40%
LifeX 2060 Inflation-Protected Longevity Income ETF | Cash & Other [Member]  
Holdings [Line Items] oef_HoldingsLineItems  
Percent of Net Asset Value oef_PctOfNav 0.70%