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Schedule of Unsecured Senior Notes (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
May 15, 2023
Dec. 31, 2022
Debt Instrument [Line Items]      
Senior Notes $ 10,488,568   $ 10,237,968
Boston Properties Limited Partnership      
Debt Instrument [Line Items]      
Senior Notes 10,488,568   $ 10,237,968
Boston Properties Limited Partnership | Senior Notes      
Debt Instrument [Line Items]      
Debt 10,550,000    
Debt Instrument, Unamortized Discount 14,027    
Debt Issuance Costs, Net $ 47,405    
Boston Properties Limited Partnership | Senior Notes | 3.916% unsecured senior notes      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 3.80%    
Debt Instrument, Interest Rate, Effective Percentage [1] 3.916%    
Debt $ 700,000    
Long-term Debt, Maturity Date [2] Feb. 01, 2024    
Boston Properties Limited Partnership | Senior Notes | 3.350% unsecured senior notes      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 3.20%    
Debt Instrument, Interest Rate, Effective Percentage [1] 3.35%    
Debt $ 850,000    
Long-term Debt, Maturity Date [2] Jan. 15, 2025    
Boston Properties Limited Partnership | Senior Notes | 3.766% unsecured senior notes      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 3.65%    
Debt Instrument, Interest Rate, Effective Percentage [1] 3.766%    
Debt $ 1,000,000    
Long-term Debt, Maturity Date [2] Feb. 01, 2026    
Boston Properties Limited Partnership | Senior Notes | 3.495% unsecured senior notes      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 2.75%    
Debt Instrument, Interest Rate, Effective Percentage [1] 3.495%    
Debt $ 1,000,000    
Long-term Debt, Maturity Date [2] Oct. 01, 2026    
Boston Properties Limited Partnership | Senior Notes | 6.924% unsecured senior notes      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 6.75%    
Debt Instrument, Interest Rate, Effective Percentage [1] 6.924%    
Debt $ 750,000    
Long-term Debt, Maturity Date [2] Dec. 01, 2027    
Boston Properties Limited Partnership | Senior Notes | 4.628% unsecured senior notes      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 4.50%    
Debt Instrument, Interest Rate, Effective Percentage [1] 4.628%    
Debt $ 1,000,000    
Long-term Debt, Maturity Date [2] Dec. 01, 2028    
Boston Properties Limited Partnership | Senior Notes | 3.505% unsecured senior notes      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 3.40%    
Debt Instrument, Interest Rate, Effective Percentage [1] 3.505%    
Debt $ 850,000    
Long-term Debt, Maturity Date [2] Jun. 21, 2029    
Boston Properties Limited Partnership | Senior Notes | 2.984% unsecured senior notes      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 2.90%    
Debt Instrument, Interest Rate, Effective Percentage [1] 2.984%    
Debt $ 700,000    
Long-term Debt, Maturity Date [2] Mar. 15, 2030    
Boston Properties Limited Partnership | Senior Notes | 3.343 % unsecured senior notes      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 3.25%    
Debt Instrument, Interest Rate, Effective Percentage [1] 3.343%    
Debt $ 1,250,000    
Long-term Debt, Maturity Date [2] Jan. 30, 2031    
Boston Properties Limited Partnership | Senior Notes | 2.671% unsecured senior notes      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 2.55%    
Debt Instrument, Interest Rate, Effective Percentage [1] 2.671%    
Debt $ 850,000    
Long-term Debt, Maturity Date [2] Apr. 01, 2032    
Boston Properties Limited Partnership | Senior Notes | 2.524% unsecured senior notes      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 2.45%    
Debt Instrument, Interest Rate, Effective Percentage [1] 2.524%    
Debt $ 850,000    
Long-term Debt, Maturity Date [2] Oct. 01, 2033    
Boston Properties Limited Partnership | Senior Notes | 6.619% unsecured senior notes      
Debt Instrument [Line Items]      
Debt Instrument, Interest Rate, Stated Percentage 6.50% 6.50%  
Debt Instrument, Interest Rate, Effective Percentage 6.619% [1] 6.619%  
Debt $ 750,000 $ 750,000  
Long-term Debt, Maturity Date [2] Jan. 15, 2034    
[1] Yield on issuance date including the effects of discounts on the notes, settlements of interest rate contracts and the amortization of financing costs.
[2] No principal amounts are due prior to maturity.