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Stock Option and Incentive Plan (Tables)
 12 Months Ended
Dec. 31, 2023
Text Block [Abstract]  
Share-based Payment Arrangement, Option, Activity
A summary of the status of BXP’s stock options as of December 31, 2023, 2022 and 2021 and changes during the years then ended are presented below:
SharesWeighted-Average
Exercise Price
Outstanding at December 31, 2020351,561 $96.97 
Exercised(247,920)$96.95 
Outstanding at December 31, 2021103,641 $97.01 
Exercised— $— 
Outstanding at December 31, 2022103,641 $97.01 
Forfeited(103,641)$— 
Outstanding at December 31, 2023— $—