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Segment Information (Tables)

12 Months Ended

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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Reconciliation of Revenue to Rental Revenue

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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

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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.

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