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Class K [Member] Average Annual Total Returns - Class K
12 Months Ended 60 Months Ended 119 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
ICE BofA U.S. Broad Market Index (Reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 7.15% (0.42%) 1.84%
Bloomberg U.S. Treasury Inflation-Protected Securities (TIPS) 0-5 Years Index (Series-L) (Reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 6.07% 3.54% 3.20%
Class K      
Prospectus [Line Items]      
Average Annual Return, Percent 6.06% 3.48% 3.13%
Performance Inception Date     Feb. 16, 2016
Class K | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 4.07% 1.55% 1.72%
Performance Inception Date     Feb. 16, 2016
Class K | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 3.57% 1.82% 1.78%
Performance Inception Date     Feb. 16, 2016