Related Party Transactions (Details) - USD ($)	8 Months Ended	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	[1]
Related Party Transaction [Line Items]
Fair Value	$ 774,862,476	$ 774,862,476	$ 0
Proceeds from issuance of redeemable units		$ 685,511,046
Units issued during period (in shares)		6,529,108
Affiliated Entity
Related Party Transaction [Line Items]
Due to affiliate	10,576,861	$ 10,576,861	$ 0
Cash consideration for investments		2,500,000
Affiliated Entity | Class-X
Related Party Transaction [Line Items]
Proceeds from issuance of redeemable units		$ 199,985,928
Units issued during period (in shares)		6,529,108
Stonepeak-Plus Infrastructure Fund Master Aggregator LP
Related Party Transaction [Line Items]
Due to affiliate	2,915,456	$ 2,915,456
Fair Value	1,152,608,352	1,152,608,352
Proceeds from issuance of redeemable units	962,370,070
Stonepeak-Plus Infrastructure Fund Master Aggregator LP | Affiliated Entity
Related Party Transaction [Line Items]
Cash consideration for investments		655,977,595
Fair Value	813,107,037	813,107,037
Fair value of investments contributed in-kind	215,934,579	215,934,579
Stonepeak-Plus Infrastructure Fund Master Aggregator LP | Affiliated Entity | Class-X
Related Party Transaction [Line Items]
Proceeds from issuance of redeemable units		$ 199,985,928
Units issued during period (in shares)		6,529,108
Stonepeak-Plus Infrastructure Fund Master Aggregator LP | Affiliated Entity | Investment Advisory Agreement, Operating Expenses
Related Party Transaction [Line Items]
Due to affiliate	$ 2,915,456	$ 2,915,456

[1] The financial statements were not consolidated as of December 31, 2024.