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Stockholders' Equity / Partners' Capital Dividends / Distributions (Details) - $ / shares | Oct. 31, 2022 | Jul. 29, 2022 | Apr. 29, 2022 | Jan. 28, 2022 | Oct. 29, 2021 | Jul. 30, 2021 | Apr. 30, 2021 | Feb. 16, 2021 | Jan. 28, 2021 | Nov. 16, 2020 | Oct. 30, 2020 | Aug. 17, 2020 | Jul. 31, 2020 | May 15, 2020 | Apr. 30, 2020 | Feb. 18, 2020 | Jan. 30, 2020 | Dec. 19, 2022
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Dividends / Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable, Amount Per Share / Unit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.98
Common Stock / Unit, Dividends / Distributions, Per Share / Unit, Cash Paid | $ 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 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.98
Common Stock / Unit, Dividends / Distributions, Per Share / Unit, Cash Paid | 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 | Op units and LTIP units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends / Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable, Amount Per Share / Unit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.98
Common Stock / Unit, Dividends / Distributions, Per Share / Unit, Cash Paid | 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 | Unvested MYLTIP Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends / Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends Payable, Amount Per Share / Unit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.098
Common Stock / Unit, Dividends / Distributions, Per Share / Unit, Cash Paid | $ 0.098 | $ 0.098 | $ 0.098 | $ 0.098 | $ 0.098 | $ 0.098 | $ 0.098 |  | $ 0.098 |  | $ 0.098 |  | $ 0.098 |  | $ 0.098 |  | $ 0.098 |
Series B Cumulative Redeemable Preferred Stock / Unit [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends / Distributions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock / Unit, Dividends / Distributions, Per Share / Unit, Cash Paid |  |  |  |  |  |  |  | $ 32.8125 |  | $ 32.8125 |  | $ 32.8125 |  | $ 32.8125 |  | $ 32.8125 |  |

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