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Stockholders' Equity / Partners' Capital (Tables) | 6 Months Ended
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Jun. 30, 2022
Class of Stock [Line Items] |
Dividends Declared [Table Text Block] | The following table presents BXP’s dividends per share and BPLP’s distributions per OP Unit and LTIP Unit paid or declared in 2022 and during the six months ended June 30, 2021:
Record Date |  | Payment Date |  | Dividend (Per Share) |  | Distribution (Per Unit)
June 30, 2022 |  | July 29, 2022 |  | $0.98 |  |  | $0.98 |
March 31, 2022 |  | April 29, 2022 |  | $0.98 |  |  | $0.98 |
December 31, 2021 |  | January 28, 2022 |  | $0.98 |  |  | $0.98 |
June 30, 2021 |  | July 30, 2021 |  | $0.98 |  |  | $0.98 |
March 31, 2021 |  | April 30, 2021 |  | $0.98 |  |  | $0.98 |
December 31, 2020 |  | January 28, 2021 |  | $0.98 |  |  | $0.98 |
Series B Preferred Stock [Member] |
Class of Stock [Line Items] |
Dividends Declared [Table Text Block] | The following table presents BXP’s dividend per share on its Series B Preferred Stock paid during the six months ended June 30, 2021:
Record Date |  | Payment Date |  | Dividend (Per Share)
February 5, 2021 |  | February 16, 2021 |  | $32.8125 |

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