Statement of Changes in Net Assets - USD ($)	5 Months Ended	9 Months Ended
Statement of Changes in Net Assets - USD ($)	Mar. 31, 2026	Mar. 31, 2026	Mar. 31, 2026
MIF Cayman, L.P.
Net assets, Beginning balance	$ 0
Capital contribution, net	802,654,446
Distributions	(3,000,000)
Net investment income (loss)	5,967,280
Net realized and unrealized gain (loss) on investments, derivatives and translation of assets and liabilities in foreign currencies	89,145,143
Net assets. Ending balance	894,766,869	$ 894,766,869	$ 894,766,869
MIF Cayman, L.P. \| General Partner [Member]
Net assets, Beginning balance	0
Capital contribution, net	0
Distributions	0
Net investment income (loss)	0
Net realized and unrealized gain (loss) on investments, derivatives and translation of assets and liabilities in foreign currencies	0
Net assets. Ending balance	0	0	0
MIF Cayman, L.P. \| Limited Partner [Member]
Net assets, Beginning balance	0
Capital contribution, net	802,654,446
Distributions	3,000,000
Net investment income (loss)	5,967,280
Net realized and unrealized gain (loss) on investments, derivatives and translation of assets and liabilities in foreign currencies	89,145,143
Net assets. Ending balance	894,766,869	894,766,869	894,766,869
Macquarie Infrastructure Fund, L.P
Net assets, Beginning balance		0
Capital contribution, net		10,502,750
Net investment income (loss)		(4,595,351)	(4,637,933)
Net realized and unrealized gain (loss) on investments, derivatives and translation of assets and liabilities in foreign currencies		1,209,045
Net assets. Ending balance	7,116,444	7,116,444	7,116,444
Macquarie Infrastructure Fund, L.P \| Class E [Member]
Net assets, Beginning balance		0
Capital contribution, net		10,500,000
Net investment income (loss)		(4,594,639)
Net realized and unrealized gain (loss) on investments, derivatives and translation of assets and liabilities in foreign currencies		1,208,783
Net assets. Ending balance	7,114,144	7,114,144	7,114,144
Macquarie Infrastructure Fund, L.P \| Class I [Member]
Net assets, Beginning balance		0
Capital contribution, net		2,750
Net investment income (loss)		(712)
Net realized and unrealized gain (loss) on investments, derivatives and translation of assets and liabilities in foreign currencies		262
Net assets. Ending balance	$ 2,300	$ 2,300	$ 2,300

Macquarie Infrastructure Fund, L.P. 10-K