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Earnings Per Share / Common Unit (Tables) | 9 Months Ended
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Sep. 30, 2025
Entity Information [Line Items] |
Computation Of Basic And Diluted Earnings Per Share / Unit |
| Three months ended September 30, 2025
| Income (Numerator) |  | Shares (Denominator) |  | Per Share Amount
| (in thousands, except for per share amounts)
Basic Earnings: |  |  |  |  |
Net income (loss) attributable to BXP, Inc. | $ | (121,712) |  |  | 158,345 |  |  | $ | (0.77) |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | — |  |  | — |
Diluted Earnings: |  |  |  |  |
Net income (loss) attributable to BXP, Inc. | $ | (121,712) |  |  | 158,345 |  |  | $ | (0.77) |
| Three months ended September 30, 2024
| Income (Numerator) |  | Shares (Denominator) |  | Per Share Amount
| (in thousands, except for per share amounts)
Basic Earnings: |  |  |  |  |
Net income attributable to BXP, Inc. | $ | 83,628 |  |  | 157,725 |  |  | $ | 0.53 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 488 |  |  | — |
Diluted Earnings: |  |  |  |  |
Net income attributable to BXP, Inc. | $ | 83,628 |  |  | 158,213 |  |  | $ | 0.53 |
| Nine months ended September 30, 2025
| Income (Numerator) |  | Shares (Denominator) |  | Per Share Amount
| (in thousands, except for per share amounts)
Basic Earnings: |  |  |  |  |
Net income attributable to BXP, Inc. | $ | 28,450 |  |  | 158,287 |  |  | $ | 0.18 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 500 |  |  | — |
Diluted Earnings: |  |  |  |  |
Net income attributable to BXP, Inc. | $ | 28,450 |  |  | 158,787 |  |  | $ | 0.18 |
| Nine months ended September 30, 2024
| Income (Numerator) |  | Shares (Denominator) |  | Per Share Amount
| (in thousands, except for per share amounts)
Basic Earnings: |  |  |  |  |
Net income attributable to BXP, Inc. | $ | 243,126 |  |  | 157,250 |  |  | $ | 1.55 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 297 |  |  | (0.01) |
Diluted Earnings: |  |  |  |  |
Net income attributable to BXP, Inc. | $ | 243,126 |  |  | 157,547 |  |  | $ | 1.54 |
Boston Properties Limited Partnership |
Entity Information [Line Items] |
Computation Of Basic And Diluted Earnings Per Share / Unit |
| Three months ended September 30, 2025
| Income (Numerator) |  | Units (Denominator) |  | Per Unit Amount
| (in thousands, except for per unit amounts)
Basic Earnings: |  |  |  |  |
Net income (loss) attributable to Boston Properties Limited Partnership | $ | (130,077) |  |  | 175,901 |  |  | $ | (0.74) |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | — |  |  | — |
Diluted Earnings: |  |  |  |  |
Net income (loss) attributable to Boston Properties Limited Partnership | $ | (130,077) |  |  | 175,901 |  |  | $ | (0.74) |
| Three months ended September 30, 2024
| Income (Numerator) |  | Units (Denominator) |  | Per Unit Amount
| (in thousands, except for per unit amounts)
Basic Earnings: |  |  |  |  |
Net income attributable to Boston Properties Limited Partnership | $ | 94,919 |  |  | 175,446 |  |  | $ | 0.54 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 488 |  |  | — |
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties Limited Partnership | $ | 94,919 |  |  | 175,934 |  |  | $ | 0.54 |
| Nine months ended September 30, 2025
| Income (Numerator) |  | Units (Denominator) |  | Per Unit Amount
| (in thousands, except for per unit amounts)
Basic Earnings: |  |  |  |  |
Net income attributable to Boston Properties Limited Partnership | $ | 40,625 |  |  | 175,842 |  |  | $ | 0.23 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 500 |  |  | — |
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties Limited Partnership | $ | 40,625 |  |  | 176,342 |  |  | $ | 0.23 |
| Nine months ended September 30, 2024
| Income (Numerator) |  | Units (Denominator) |  | Per Unit Amount
| (in thousands, except for per unit amounts)
Basic Earnings: |  |  |  |  |
Net income attributable to Boston Properties Limited Partnership | $ | 276,826 |  |  | 175,369 |  |  | $ | 1.58 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 297 |  |  | — |
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties Limited Partnership | $ | 276,826 |  |  | 175,666 |  |  | $ | 1.58 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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