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SA American Century Inflation Protection Portfolio Investment Objectives and Goals - SA American Century Inflation Protection Portfolio
Mar. 31, 2025
Prospectus [Line Items]  
Risk/Return [Heading] SA American Century Inflation Managed Portfolio (formerly, SA American Century Inflation Protection Portfolio)
Objective [Heading] <span style="color:#000000;font-family:Arial;font-size:12pt;font-style:italic;font-weight:bold;">Investment Goal</span>
Objective, Primary [Text Block] The Portfolio’s investment goal is long-term total return using a strategy that seeks to protect against U.S. inflation.