Shareholder Report, Line Graph (Details) - USD ($) |
12 Months Ended | 24 Months Ended | 36 Months Ended | 48 Months Ended | 60 Months Ended | 72 Months Ended | 84 Months Ended | 96 Months Ended | 108 Months Ended | 120 Months Ended | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2026 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2022 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2026 |
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| C000006076 [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Investor C Shares (with sales charge) | |||||||||||
| Accumulated Value | $ 10,000 | $ 11,067.63 | $ 12,007.22 | $ 12,513.03 | $ 11,260.55 | $ 16,146.43 | $ 15,040.02 | $ 17,105.69 | $ 19,200.54 | $ 21,809.96 | $ 27,265.71 | |
| C000006074 [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Investor A Shares (with sales charge) | |||||||||||
| Accumulated Value | 9,475.01 | 10,570.96 | 11,561.86 | 12,141.46 | 11,017.45 | 15,940.43 | 14,965.19 | 17,150.96 | 19,416.94 | 22,055.77 | 27,573.01 | |
| C000006077 [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Institutional Shares | |||||||||||
| Accumulated Value | 10,000.01 | 11,187.15 | 12,267.15 | 12,920.77 | 11,762.36 | 17,060.64 | 16,059.95 | 18,470.31 | 20,954.65 | 23,856.17 | 29,892.34 | |
| C000007847 [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Class R Shares | |||||||||||
| Accumulated Value | 9,999.99 | 11,118.86 | 12,122.2 | 12,688.65 | 11,469.96 | 16,545.68 | 15,474.18 | 17,675.68 | 19,928.99 | 22,557.91 | 28,092.74 | |
| C000152172 [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Class K Shares | |||||||||||
| Accumulated Value | 10,000.01 | 11,197.96 | 12,297.1 | 12,963.6 | 11,805.02 | 17,143.03 | 16,153.91 | 18,580.89 | 21,100.89 | 24,052.89 | 30,176.05 | |
| Russell 1000 Index [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Russell 1000 Index | |||||||||||
| Accumulated Value | 10,000 | 11,803 | 13,519 | 14,873 | 15,986 | 22,871 | 19,890 | 23,742 | 29,410 | 34,017 | 41,509 | |
| Russell 1000 Value Index [Member] | ||||||||||||
| Account Value [Line Items] | ||||||||||||
| Line Graph and Table Measure Name | Russell 1000 Value Index | |||||||||||
| Accumulated Value | $ 10,000 | $ 11,553 | $ 12,335 | $ 13,379 | $ 12,197 | $ 17,525 | $ 16,330 | $ 18,214 | $ 20,592 | $ 23,414 | $ 29,763 | |