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Stockholders' Equity / Partners' Capital Dividends / Distributions (Details) - $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | 3 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 31, 2025 | Jul. 31, 2025 | Apr. 30, 2025 | Jan. 30, 2025 | Oct. 31, 2024 | Jul. 31, 2024 | Apr. 30, 2024 | Jan. 30, 2024 | Oct. 31, 2023 | Jul. 31, 2023 | Apr. 28, 2023 | Jan. 30, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 18, 2025
Dividends / Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable, Amount Per Share / Unit |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.70
Common Stock / Unit, Dividends / Distributions, Per Share / Unit, Cash Paid | $ 0.70 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 |
Boston Properties Limited Partnership |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends / Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable, Amount Per Share / Unit |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.70
Common Stock / Unit, Dividends / Distributions, Per Share / Unit, Cash Paid | $ 0.70 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 | $ 0.98 |  |  |

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
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- Definition The per share amount of a dividend declared, but not paid, as of the financial reporting date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-3 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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