Shareholder Report, Line Graph (Details) 74200166500_Putnam Core Equity Fund_Class Y_TSR Annual {Class Y} - USD ($) |
12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Apr. 30, 2025 |
Apr. 30, 2024 |
Apr. 30, 2023 |
Apr. 30, 2022 |
Apr. 30, 2021 |
Apr. 30, 2020 |
Apr. 30, 2019 |
Apr. 30, 2018 |
Apr. 30, 2017 |
Apr. 30, 2016 |
Apr. 30, 2026 |
|
| Class Y | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Class Y | ||||||||||
| Accumulated Value | $ 34,181 | $ 30,802 | $ 24,492 | $ 23,843 | $ 24,079 | $ 15,214 | $ 15,423 | $ 14,163 | $ 12,258 | $ 10,000 | $ 44,356 |
| Russell 3000 Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Russell 3000 Index | ||||||||||
| Accumulated Value | $ 30,227 | $ 27,133 | $ 22,186 | $ 21,857 | $ 22,560 | $ 14,948 | $ 15,106 | $ 13,406 | $ 11,858 | $ 10,000 | $ 39,601 |