Class K [Member] Average Annual Total Returns - Class K |
12 Months Ended | 60 Months Ended | 120 Months Ended | ||
|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
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| Russell 1000® Index (Reflects no deduction for fees, expenses or taxes) | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 17.37% | 13.59% | 14.59% | ||
| Bloomberg U.S. Aggregate Bond Index (Reflects no deduction for fees, expenses or taxes) | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 7.30% | (0.36%) | 2.01% | ||
| LifePath Index 2050 Fund Custom Benchmark (Reflects no deduction for fees, expenses or taxes except as noted) | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | [1] | 20.74% | 10.41% | 11.25% | |
| Class K Shares | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 20.72% | 10.44% | 11.27% | ||
| Class K Shares | After Taxes on Distributions | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 19.73% | 9.67% | 10.47% | ||
| Class K Shares | After Taxes on Distributions and Sales | |||||
| Prospectus [Line Items] | |||||
| Average Annual Return, Percent | 12.62% | 8.03% | 9.00% | ||
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