XML 66 R52.htm IDEA: XBRL DOCUMENT
v3.22.2

Stockholders' Equity / Partners' Capital Dividends / Distributions (Details) - $ / shares | Apr. 29, 2022 | Jan. 28, 2022 | Jul. 30, 2021 | Apr. 30, 2021 | Feb. 16, 2021 | Jan. 28, 2021 | Jun. 14, 2022
--- | --- | --- | --- | --- | --- | --- | ---
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 |
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 |
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 |
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 |
Series B Cumulative Redeemable Preferred Stock / Unit [Member] |  |  |  |  |  |  |
Dividends / Distributions [Line Items] |  |  |  |  |  |  |
Common Stock / Unit, Dividends / Distributions, Per Share / Unit, Cash Paid |  |  |  |  | $ 32.8125 |  |

X
- 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 -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- 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 -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586 + Details
Name: | us-gaap_DividendsPayableAmountPerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- 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
Name: | us-gaap_DividendsPayableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=bxp_BostonPropertiesLimitedPartnershipMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=bxp_OpUnitsAndLTIPUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=bxp_UnvestedMYLTIPUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=bxp_SeriesBCumulativeRedeemablePreferredStockUnitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |