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Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2025
Segment Reporting [Abstract] |
Schedule Of Reconciliation Of Net Operating Income To Net Income | The following tables present reconciliations of Company’s share of NOI to Net Income Attributable to BXP, Inc. and Net Income Attributable to Boston Properties Limited Partnership for the years ended December 31, 2025, 2024 and 2023. BXP
|  |  |  | Year ended December 31,
|  |  |  |  |  | 2025 |  | 2024 |  | 2023
|  |  |  |  |  | (in thousands)
Company’s share of NOI |  |  |  |  |  | $ | 1,976,785 |  |  | $ | 1,984,056 |  |  | $ | 1,965,106 |
Add: |  |  |  |  |  |  |  |  |  |
Development and management services revenue |  |  |  |  |  | 36,579 |  |  | 28,060 |  |  | 40,850 |
Direct reimbursements of payroll and related costs from management services contracts |  |  |  |  |  | 16,383 |  |  | 16,488 |  |  | 17,771 |
Gains on sales of real estate |  |  |  |  |  | 176,732 |  |  | 602 |  |  | 517 |
Interest and other income (loss) |  |  |  |  |  | 35,784 |  |  | 60,199 |  |  | 69,964 |
Gains from investments in securities |  |  |  |  |  | 5,481 |  |  | 4,416 |  |  | 5,556 |
Unrealized gain (loss) on non-real estate investments |  |  |  |  |  | (346) |  |  | 546 |  |  | 239 |
Net operating income attributable to noncontrolling interests in property partnerships |  |  |  |  |  | 204,433 |  |  | 186,707 |  |  | 194,365 |
Less: |  |  |  |  |  |  |  |  |  |
General and administrative expense |  |  |  |  |  | 168,789 |  |  | 159,983 |  |  | 170,158 |
Payroll and related costs from management services contracts |  |  |  |  |  | 16,383 |  |  | 16,488 |  |  | 17,771 |
Transaction costs |  |  |  |  |  | 2,678 |  |  | 1,597 |  |  | 4,313 |
Depreciation and amortization expense |  |  |  |  |  | 912,088 |  |  | 887,191 |  |  | 830,813 |
Loss from unconsolidated joint ventures |  |  |  |  |  | 103,560 |  |  | 343,177 |  |  | 239,543 |
Loss on sales-type lease |  |  |  |  |  | 2,490 |  |  | — |  |  | — |
Net operating income from unconsolidated joint ventures |  |  |  |  |  | 122,569 |  |  | 129,718 |  |  | 160,695 |
Losses from interest rate contracts |  |  |  |  |  | — |  |  | — |  |  | 79 |
Impairment losses |  |  |  |  |  | 85,803 |  |  | 13,615 |  |  | — |
Loss from early extinguishment of debt |  |  |  |  |  | 338 |  |  | — |  |  | — |
Interest expense |  |  |  |  |  | 653,138 |  |  | 645,117 |  |  | 579,572 |
Net income |  |  |  |  |  | 383,995 |  |  | 84,188 |  |  | 291,424 |
Less: |  |  |  |  |  |  |  |  |  |
Noncontrolling interests in property partnerships |  |  |  |  |  | 75,181 |  |  | 67,516 |  |  | 78,661 |
Noncontrolling interest—common units of the Operating Partnership |  |  |  |  |  | 32,014 |  |  | 2,400 |  |  | 22,548 |
Net income attributable to BXP, Inc. |  |  |  |  |  | $ | 276,800 |  |  | $ | 14,272 |  |  | $ | 190,215 |
BPLP
|  |  |  | Year ended December 31,
|  |  |  |  |  | 2025 |  | 2024 |  | 2023
|  |  |  |  |  | (in thousands)
Company’s share of NOI |  |  |  |  |  | $ | 1,976,785 |  |  | $ | 1,984,056 |  |  | $ | 1,965,106 |
Add: |  |  |  |  |  |  |  |  |  |
Development and management services revenue |  |  |  |  |  | 36,579 |  |  | 28,060 |  |  | 40,850 |
Direct reimbursements of payroll and related costs from management services contracts |  |  |  |  |  | 16,383 |  |  | 16,488 |  |  | 17,771 |
Gains on sales of real estate |  |  |  |  |  | 179,322 |  |  | 602 |  |  | 517 |
Interest and other income (loss) |  |  |  |  |  | 35,784 |  |  | 60,199 |  |  | 69,964 |
Gains from investments in securities |  |  |  |  |  | 5,481 |  |  | 4,416 |  |  | 5,556 |
Unrealized gain (loss) on non-real estate investments |  |  |  |  |  | (346) |  |  | 546 |  |  | 239 |
Net operating income attributable to noncontrolling interests in property partnerships |  |  |  |  |  | 204,433 |  |  | 186,707 |  |  | 194,365 |
Less: |  |  |  |  |  |  |  |  |  |
General and administrative expense |  |  |  |  |  | 168,789 |  |  | 159,983 |  |  | 170,158 |
Payroll and related costs from management services contracts |  |  |  |  |  | 16,383 |  |  | 16,488 |  |  | 17,771 |
Transaction costs |  |  |  |  |  | 2,678 |  |  | 1,597 |  |  | 4,313 |
Depreciation and amortization expense |  |  |  |  |  | 905,301 |  |  | 880,383 |  |  | 823,805 |
Loss from unconsolidated joint ventures |  |  |  |  |  | 103,560 |  |  | 343,177 |  |  | 239,543 |
Loss on sales-type lease |  |  |  |  |  | 2,490 |  |  | — |  |  | — |
Net operating income from unconsolidated joint ventures |  |  |  |  |  | 122,569 |  |  | 129,718 |  |  | 160,695 |
Losses from interest rate contracts |  |  |  |  |  | — |  |  | — |  |  | 79 |
Impairment losses |  |  |  |  |  | 82,890 |  |  | 13,615 |  |  | — |
Loss from early extinguishment of debt |  |  |  |  |  | 338 |  |  | — |  |  | — |
Interest expense |  |  |  |  |  | 653,138 |  |  | 645,117 |  |  | 579,572 |
Net income |  |  |  |  |  | 396,285 |  |  | 90,996 |  |  | 298,432 |
Less: |  |  |  |  |  |  |  |  |  |
Noncontrolling interests in property partnerships |  |  |  |  |  | 75,181 |  |  | 67,516 |  |  | 78,661 |
Net income attributable to Boston Properties Limited Partnership |  |  |  |  |  | $ | 321,104 |  |  | $ | 23,480 |  |  | $ | 219,771 |
Reconciliation of Revenue to Rental Revenue | The following table presents a reconciliation of Revenue from the Consolidated Financial Statements to Rental Revenue for the years ended December 31, 2025, 2024 and 2023.
|  |  |  | Year ended December 31,
|  |  |  |  |  | 2025 |  | 2024 |  | 2023
|  |  |  |  |  | (in thousands)
Revenue |  |  |  |  |  | $ | 3,482,279 |  |  | $ | 3,407,719 |  |  | $ | 3,273,569 |
Less: |  |  |  |  |  |  |  |  |  |
Development and management services |  |  |  |  |  | 36,579 |  |  | 28,060 |  |  | 40,850 |
Direct reimbursements of payroll and related costs from management services contracts |  |  |  |  |  | 16,383 |  |  | 16,488 |  |  | 17,771 |
Total rental revenue |  |  |  |  |  | $ | 3,429,317 |  |  | $ | 3,363,171 |  |  | $ | 3,214,948 |
Schedule Of Segment Information By Geographic Area And Property Type | For the year ended December 31, 2025:
| Boston |  | Los Angeles |  | New York |  | San Francisco |  | Seattle |  | Washington, DC |  | Total
Rental Revenue: |  |  |  |  |  |  |  |  |  |  |  |  |
Office | $ | 1,218,009 |  |  | $ | 70,519 |  |  | $ | 1,054,594 |  |  | $ | 509,920 |  |  | $ | 49,269 |  |  | $ | 426,467 |  |  | $ | 3,328,778 |
Residential | 17,909 |  |  | — |  |  | — |  |  | 14,017 |  |  | — |  |  | 18,617 |  |  | 50,543 |
Hotel | 49,996 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 49,996 |
Total | 1,285,914 |  |  | 70,519 |  |  | 1,054,594 |  |  | 523,937 |  |  | 49,269 |  |  | 445,084 |  |  | 3,429,317 |
% of Grand Totals | 37.49 | % |  | 2.06 | % |  | 30.75 | % |  | 15.28 | % |  | 1.44 | % |  | 12.98 | % |  | 100.00 | %
Rental Expenses: |  |  |  |  |  |  |  |  |  |  |  |  |
Office | 455,880 |  |  | 22,108 |  |  | 453,192 |  |  | 203,565 |  |  | 12,491 |  |  | 161,645 |  |  | 1,308,881 |
Residential | 8,910 |  |  | — |  |  | — |  |  | 9,060 |  |  | — |  |  | 8,218 |  |  | 26,188 |
Hotel | 35,599 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 35,599 |
Total | 500,389 |  |  | 22,108 |  |  | 453,192 |  |  | 212,625 |  |  | 12,491 |  |  | 169,863 |  |  | 1,370,668 |
% of Grand Totals | 36.52 | % |  | 1.61 | % |  | 33.06 | % |  | 15.51 | % |  | 0.91 | % |  | 12.39 | % |  | 100.00 | %
Net operating income | $ | 785,525 |  |  | $ | 48,411 |  |  | $ | 601,402 |  |  | $ | 311,312 |  |  | $ | 36,778 |  |  | $ | 275,221 |  |  | $ | 2,058,649 |
% of Grand Totals | 38.16 | % |  | 2.35 | % |  | 29.21 | % |  | 15.12 | % |  | 1.79 | % |  | 13.37 | % |  | 100.00 | %
Less: Net operating income attributable to noncontrolling interests in property partnerships | (64,069) |  |  | — |  |  | (140,364) |  |  | — |  |  | — |  |  | — |  |  | (204,433) |
Add: Company’s share of net operating income from unconsolidated joint ventures | 35,274 |  |  | 28,381 |  |  | 6,853 |  |  | 16,537 |  |  | 9,023 |  |  | 26,501 |  |  | 122,569 |
Company’s share of net operating income | $ | 756,730 |  |  | $ | 76,792 |  |  | $ | 467,891 |  |  | $ | 327,849 |  |  | $ | 45,801 |  |  | $ | 301,722 |  |  | $ | 1,976,785 |
% of Grand Totals | 38.29 | % |  | 3.88 | % |  | 23.67 | % |  | 16.58 | % |  | 2.32 | % |  | 15.26 | % |  | 100.00 | %
For the year ended December 31, 2024:
| Boston |  | Los Angeles |  | New York |  | San Francisco |  | Seattle |  | Washington, DC |  | Total
Rental Revenue: |  |  |  |  |  |  |  |  |  |  |  |  |
Office | $ | 1,159,460 |  |  | $ | 75,353 |  |  | $ | 1,042,460 |  |  | $ | 522,463 |  |  | $ | 44,080 |  |  | $ | 418,623 |  |  | $ | 3,262,439 |
Residential | 17,198 |  |  | — |  |  | — |  |  | 13,668 |  |  | — |  |  | 18,642 |  |  | 49,508 |
Hotel | 51,224 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 51,224 |
Total | 1,227,882 |  |  | 75,353 |  |  | 1,042,460 |  |  | 536,131 |  |  | 44,080 |  |  | 437,265 |  |  | 3,363,171 |
% of Grand Totals | 36.51 | % |  | 2.24 | % |  | 31.00 | % |  | 15.94 | % |  | 1.31 | % |  | 13.00 | % |  | 100.00 | %
Rental Expenses: |  |  |  |  |  |  |  |  |  |  |  |  |
Office | 427,446 |  |  | 27,537 |  |  | 437,600 |  |  | 199,324 |  |  | 13,170 |  |  | 158,289 |  |  | 1,263,366 |
Residential | 6,495 |  |  | — |  |  | — |  |  | 8,940 |  |  | — |  |  | 8,037 |  |  | 23,472 |
Hotel | 35,288 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 35,288 |
Total | 469,229 |  |  | 27,537 |  |  | 437,600 |  |  | 208,264 |  |  | 13,170 |  |  | 166,326 |  |  | 1,322,126 |
% of Grand Totals | 35.49 | % |  | 2.08 | % |  | 33.10 | % |  | 15.75 | % |  | 1.00 | % |  | 12.58 | % |  | 100.00 | %
Net operating income | $ | 758,653 |  |  | $ | 47,816 |  |  | $ | 604,860 |  |  | $ | 327,867 |  |  | $ | 30,910 |  |  | $ | 270,939 |  |  | $ | 2,041,045 |
% of Grand Totals | 37.18 | % |  | 2.35 | % |  | 29.63 | % |  | 16.06 | % |  | 1.51 | % |  | 13.27 | % |  | 100.00 | %
Less: Net operating income attributable to noncontrolling interests in property partnerships | (46,487) |  |  | — |  |  | (140,220) |  |  | — |  |  | — |  |  | — |  |  | (186,707) |
Add: Company’s share of net operating income from unconsolidated joint ventures | 35,298 |  |  | 27,367 |  |  | 15,612 |  |  | 18,312 |  |  | 7,788 |  |  | 25,341 |  |  | 129,718 |
Company’s share of net operating income | $ | 747,464 |  |  | $ | 75,183 |  |  | $ | 480,252 |  |  | $ | 346,179 |  |  | $ | 38,698 |  |  | $ | 296,280 |  |  | $ | 1,984,056 |
% of Grand Totals | 37.67 | % |  | 3.79 | % |  | 24.21 | % |  | 17.45 | % |  | 1.95 | % |  | 14.93 | % |  | 100.00 | %
For the year ended December 31, 2023:
| Boston |  | Los Angeles |  | New York |  | San Francisco |  | Seattle |  | Washington, DC |  | Total
Rental Revenue: |  |  |  |  |  |  |  |  |  |  |  |  |
Office | $ | 1,093,840 |  |  | $ | 3,890 |  |  | $ | 1,053,615 |  |  | $ | 539,904 |  |  | $ | 63,830 |  |  | $ | 364,920 |  |  | $ | 3,119,999 |
Residential | 16,452 |  |  | — |  |  | — |  |  | 14,102 |  |  | — |  |  | 17,038 |  |  | 47,592 |
Hotel | 47,357 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 47,357 |
Total | 1,157,649 |  |  | 3,890 |  |  | 1,053,615 |  |  | 554,006 |  |  | 63,830 |  |  | 381,958 |  |  | 3,214,948 |
% of Grand Totals | 36.01 | % |  | 0.12 | % |  | 32.77 | % |  | 17.23 | % |  | 1.99 | % |  | 11.88 | % |  | 100.00 | %
Rental Expenses: |  |  |  |  |  |  |  |  |  |  |  |  |
Office | 393,339 |  |  | 1,431 |  |  | 415,831 |  |  | 194,205 |  |  | 12,387 |  |  | 143,504 |  |  | 1,160,697 |
Residential | 6,378 |  |  | — |  |  | — |  |  | 9,255 |  |  | — |  |  | 7,617 |  |  | 23,250 |
Hotel | 32,225 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 32,225 |
Total | 431,942 |  |  | 1,431 |  |  | 415,831 |  |  | 203,460 |  |  | 12,387 |  |  | 151,121 |  |  | 1,216,172 |
% of Grand Totals | 35.51 | % |  | 0.12 | % |  | 34.19 | % |  | 16.73 | % |  | 1.02 | % |  | 12.43 | % |  | 100.00 | %
Net operating income | $ | 725,707 |  |  | $ | 2,459 |  |  | $ | 637,784 |  |  | $ | 350,546 |  |  | $ | 51,443 |  |  | $ | 230,837 |  |  | $ | 1,998,776 |
% of Grand Totals | 36.31 | % |  | 0.12 | % |  | 31.91 | % |  | 17.54 | % |  | 2.57 | % |  | 11.55 | % |  | 100.00 | %
Less: Net operating income attributable to noncontrolling interests in property partnerships | (45,730) |  |  | — |  |  | (148,635) |  |  | — |  |  | — |  |  | — |  |  | (194,365) |
Add: Company’s share of net operating income from unconsolidated joint ventures | 34,376 |  |  | 48,818 |  |  | 14,314 |  |  | 16,203 |  |  | 7,494 |  |  | 39,490 |  |  | 160,695 |
Company’s share of net operating income | $ | 714,353 |  |  | $ | 51,277 |  |  | $ | 503,463 |  |  | $ | 366,749 |  |  | $ | 58,937 |  |  | $ | 270,327 |  |  | $ | 1,965,106 |
% of Grand Totals | 36.35 | % |  | 2.61 | % |  | 25.62 | % |  | 18.66 | % |  | 3.00 | % |  | 13.76 | % |  | 100.00 | %

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- Definition Tabular disclosure of the reconciliation of profit (loss) from reportable segments to the consolidated income (loss) before income tax expense (benefit) and discontinued operations. Includes, but is not limited to, reconciliation after income tax if income tax is allocated to the reportable segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-31 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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