v3.26.3
Condensed Consolidated Schedules of Investments (Unaudited) (Parentheticals) - Blackstone Infrastructure Strategies (TE) L.P - USD ($)
Sep. 30, 2026
Dec. 31, 2025
Summary of Investment Holdings [Line Items]    
Investment owned, cost $ 5,529,843,000 $ 3,324,540
Blackstone Infrastructure Strategies (TE) L.P.    
Summary of Investment Holdings [Line Items]    
Investment owned, cost $ 1,548,148,000 $ 944,504,000
Investment, Identifier [Axis]: Investments | BXINFRA Aggregator (CYM) L.P.    
Summary of Investment Holdings [Line Items]    
Investment owned, balance, shares (in shares) [1] 204,506,119 129,060,376
Investment, Identifier [Axis]: Investments | Blackstone Infrastructure Strategies L.P. | Blackstone Infrastructure Strategies (TE) L.P.    
Summary of Investment Holdings [Line Items]    
Investment owned, balance, shares (in shares) [2] 57,238,858 36,589,410
[1] Refer to Note 3. “Investment in the Aggregator” for details on BXINFRA U.S.’s proportional share of investments through investees.
[2] Refer to Note 3. “Investment in BXINFRA U.S.” for details on the Feeder’s proportional share of investments through investees.