Shareholder Report, Line Graph (Details) 74200171800_George Putnam Balanced Fund_Class C_TSR Annual {Class C} - USD ($) |
12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Jul. 31, 2025 |
Jul. 31, 2024 |
Jul. 31, 2023 |
Jul. 31, 2022 |
Jul. 31, 2021 |
Jul. 31, 2020 |
Jul. 31, 2019 |
Jul. 31, 2018 |
Jul. 31, 2017 |
Jul. 31, 2016 |
Jul. 31, 2026 |
|
| Class C | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Class C (with sales charge) | ||||||||||
| Accumulated Value | $ 21,678 | $ 19,707 | $ 16,836 | $ 15,757 | $ 17,234 | $ 14,374 | $ 12,925 | $ 11,961 | $ 11,029 | $ 10,000 | $ 24,745 |
| Russell 3000 Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Russell 3000 Index | ||||||||||
| Accumulated Value | 32,551 | 28,138 | 23,240 | 20,631 | 22,268 | 16,052 | 14,470 | 13,517 | 11,614 | 10,000 | $ 38,932 |
| George Putnam Blended Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | George Putnam Blended Index | ||||||||||
| Accumulated Value | 22,665 | 20,327 | 17,645 | 16,557 | 17,607 | 14,611 | 12,941 | 11,942 | 10,922 | 10,000 | $ 25,547 |
| Bloomberg U.S. Aggregate Index [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Bloomberg U.S. Aggregate Index | ||||||||||
| Accumulated Value | $ 11,130 | $ 10,766 | $ 10,243 | $ 10,600 | $ 11,664 | $ 11,746 | $ 10,666 | $ 9,869 | $ 9,949 | $ 10,000 | $ 11,431 |