v3.25.4
Financial Highlights - Schedule of Capital Transactions and Differing Fee Arrangements (Detail) (Parenthetical)
Dec. 31, 2025
$ / shares
Investment Company, Financial Highlights [Line Items]  
Net Asset Value Per Unit $ 25
BXINFRA Aggregator (CYM) L.P. [Member]  
Investment Company, Financial Highlights [Line Items]  
Net Asset Value Per Unit $ 25