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Earnings Per Share / Common Unit (Tables)

9 Months Ended

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

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.

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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

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