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Schedule of Noncontrolling Interests (Details) - Boston Properties Limited Partnership | Sep. 30, 2025 shares
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OP Units [Member] |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Noncontrolling Interest, Outstanding | 15,696,776 |
LTIP Units [Member] |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Noncontrolling Interest, Outstanding | 2,702,590 | [1]
MYLTIP 2023 |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Noncontrolling Interest, Outstanding | 322,053 |
MYLTIP 2024 |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Noncontrolling Interest, Outstanding | 330,479 |
2012 OPP and 2013-2022 MYLTIP [Member] |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Noncontrolling Interest, Outstanding | 655,534 |
MYLTIP 2025 |  |
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items] |  |
Noncontrolling Interest, Outstanding | 354,940 |
[1] | Includes 655,534 LTIP Units earned by employees under the Company’s multi-year long-term incentive awards granted between 2012 and 2022 (i.e., 2012 OPP and 2013 - 2022 MYLTIP awards).

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