Shareholders' Equity - Summary of Investment company per share distribution to investors (Detail) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Apollo Infrastructure Company LLC Series One [Member] \| Capital Units Class A Two [Member]
Distribution Made to Limited Liability Company (LLC) Member [Line Items]
Distributions declared per share	$ 0.21	$ 0.16	$ 0.41	$ 0.29
Apollo Infrastructure Company LLC Series One [Member] \| Capital Units F One [Member]
Distribution Made to Limited Liability Company (LLC) Member [Line Items]
Distributions declared per share	0.21	0.16	0.41	0.29
Apollo Infrastructure Company LLC Series One [Member] \| Capital Units E [Member]
Distribution Made to Limited Liability Company (LLC) Member [Line Items]
Distributions declared per share	0.21	0.16	0.41	0.16
Apollo Infrastructure Company LLC Series One [Member] \| Class I Shares [Member]
Distribution Made to Limited Liability Company (LLC) Member [Line Items]
Distributions declared per share	0.21		0.41
Apollo Infrastructure Company LLC Series One [Member] \| Class S Shares [Member]
Distribution Made to Limited Liability Company (LLC) Member [Line Items]
Distributions declared per share	0.21		0.41
Apollo Infrastructure Company LLC Series Two [Member] \| Capital Units Class A Two [Member]
Distribution Made to Limited Liability Company (LLC) Member [Line Items]
Distributions declared per share	0.21	0.16	0.41	0.29
Apollo Infrastructure Company LLC Series Two [Member] \| Capital Units F One [Member]
Distribution Made to Limited Liability Company (LLC) Member [Line Items]
Distributions declared per share	0.21	0.16	0.41	0.29
Apollo Infrastructure Company LLC Series Two [Member] \| Capital Units E [Member]
Distribution Made to Limited Liability Company (LLC) Member [Line Items]
Distributions declared per share	0.21	$ 0.16	0.41	$ 0.16
Apollo Infrastructure Company LLC Series Two [Member] \| Class I Shares [Member]
Distribution Made to Limited Liability Company (LLC) Member [Line Items]
Distributions declared per share	0.21		0.41
Apollo Infrastructure Company LLC Series Two [Member] \| Class S Shares [Member]
Distribution Made to Limited Liability Company (LLC) Member [Line Items]
Distributions declared per share	$ 0.21		$ 0.41