v3.26.1
Shareholders' Equity - Summary of Shareholder Transactions in Common Shares of Beneficial Interest (Detail) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
Jan. 31, 2026
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Class of Stock [Line Items]              
Net assets at beginning of period $ 1,735,846 $ 1,867,233 $ 1,735,846 $ 1,096,509 $ 940,296 $ 1,735,846 $ 940,296
Total net increase (decrease), shares           7,827,118 14,135,432
Net increase (decrease) in capital share transaction   107,488   230,203   $ 223,791 $ 380,986
Net assets at end of period   2,008,970 1,867,233 1,336,096 1,096,509 2,008,970 1,336,096
Apollo Infrastructure Company LLC Series One [Member]              
Class of Stock [Line Items]              
Net assets at beginning of period 513,489 548,351 513,489 313,603 247,549 $ 513,489 $ 247,549
Total net increase (decrease), shares           1,819,995 5,397,592
Net increase (decrease) in capital share transaction   19,841   80,028   $ 51,211 $ 144,745
Net assets at end of period   576,662 548,351 395,798 313,603 576,662 395,798
Apollo Infrastructure Company LLC Series Two [Member]              
Class of Stock [Line Items]              
Net assets at beginning of period 1,222,357 1,318,882 1,222,357 782,906 692,747 $ 1,222,357 $ 692,747
Total net increase (decrease), shares           6,007,123 8,737,840
Net increase (decrease) in capital share transaction   87,647   150,175   $ 172,580 $ 236,241
Net assets at end of period   1,432,308 1,318,882 940,298 782,906 1,432,308 940,298
Class A-II shares [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 1,412,905 $ 1,515,723 $ 1,412,905 $ 977,539 $ 843,602 $ 1,412,905 $ 843,602
Beginning Balance 53,749,773 57,358,109 53,749,773 37,845,303 32,865,382 53,749,773 32,865,382
Proceeds from issuance of shares, shares   3,646,451 3,801,616 6,534,598 5,123,404    
Proceeds from issuance of shares   $ 105,128 $ 108,292 $ 176,871 $ 137,791    
Repurchase of shares, shares   (595,192) (246,956) (125,819) (172,385)    
Repurchase of shares   $ (16,888) $ (6,998) $ (3,394) $ (4,631)    
Reinvestment of distributions, shares   55,403 53,676 34,156 28,902    
Reinvestment of distributions   $ 1,586 $ 1,524 $ 923 $ 777    
Total net increase (decrease), shares   3,106,661 3,608,336 6,442,935 4,979,921    
Net increase (decrease) in capital share transaction   $ 89,826 $ 102,818 $ 174,400 $ 133,937    
Ending Balance   60,464,770 57,358,109 44,288,238 37,845,303 60,464,770 44,288,238
Ending Balance   $ 1,605,549 $ 1,515,723 $ 1,151,939 $ 977,539 $ 1,605,549 $ 1,151,939
Class A-II shares [Member] | Apollo Infrastructure Company LLC Series One [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 356,813 $ 376,665 $ 356,813 $ 259,747 $ 208,185 $ 356,813 $ 208,185
Beginning Balance 13,598,460 14,303,053 13,598,460 10,032,586 8,109,427 13,598,460 8,109,427
Proceeds from issuance of shares, shares   668,521 764,655 1,215,044 1,947,990    
Proceeds from issuance of shares   $ 19,027 $ 21,537 $ 32,737 $ 52,226    
Repurchase of shares, shares   (440,304) (68,326) (43,023) (25,696) (508,630) (68,718)
Repurchase of shares   $ (12,442) $ (1,917) $ (1,156) $ (687)    
Reinvestment of distributions, shares   8,758 8,264 5,114 865    
Reinvestment of distributions   $ 247 $ 232 $ 137 $ 23    
Total net increase (decrease), shares   236,975 704,593 1,177,135 1,923,159    
Net increase (decrease) in capital share transaction   $ 6,832 $ 19,852 $ 31,718 $ 51,562    
Ending Balance   14,540,028 14,303,053 11,209,721 10,032,586 14,540,028 11,209,721
Ending Balance   $ 383,497 $ 376,665 $ 291,465 $ 259,747 $ 383,497 $ 291,465
Class A-II shares [Member] | Apollo Infrastructure Company LLC Series Two [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 1,056,092 $ 1,139,058 $ 1,056,092 $ 717,792 $ 635,417 $ 1,056,092 $ 635,417
Beginning Balance 40,151,313 43,055,056 40,151,313 27,812,717 24,755,955 40,151,313 24,755,955
Proceeds from issuance of shares, shares   2,977,930 3,036,961 5,319,554 3,175,414    
Proceeds from issuance of shares   $ 86,101 $ 86,755 $ 144,134 $ 85,565    
Repurchase of shares, shares   (154,888) (178,630) (82,796) (146,689) (333,519) (229,485)
Repurchase of shares   $ (4,446) $ (5,081) $ (2,238) $ (3,944)    
Reinvestment of distributions, shares   46,645 45,412 29,042 28,037    
Reinvestment of distributions   $ 1,339 $ 1,292 $ 786 $ 754    
Total net increase (decrease), shares   2,869,686 2,903,743 5,265,800 3,056,762    
Net increase (decrease) in capital share transaction   $ 82,994 $ 82,966 $ 142,682 $ 82,375    
Ending Balance   45,924,742 43,055,056 33,078,517 27,812,717 45,924,742 33,078,517
Ending Balance   $ 1,222,052 $ 1,139,058 $ 860,474 $ 717,792 $ 1,222,052 $ 860,474
F-I Shares [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 136,980 $ 142,870 $ 136,980 $ 62,624 $ 56,188 $ 136,980 $ 56,188
Beginning Balance 5,162,951 5,374,518 5,162,951 2,395,821 2,154,120 5,162,951 2,154,120
Proceeds from issuance of shares, shares   29,700 203,010 1,222,375 243,249    
Proceeds from issuance of shares   $ 834 $ 5,648 $ 32,668 $ 6,476 $ 6,482 $ 39,144
Repurchase of shares, shares   (63,997) (12,255) (28,602) (10,010)    
Repurchase of shares   $ (1,790) $ (339) $ (762) $ (266) (2,129) (1,028)
Reinvestment of distributions, shares   21,750 20,812 9,941 8,462    
Reinvestment of distributions   $ 610 $ 581 $ 266 $ 226    
Shares reissued under the DRIP   $ 610   $ 266   $ 1,191 $ 492
Total net increase (decrease), shares   (12,547) 211,567 1,203,714 241,701    
Net increase (decrease) in capital share transaction   $ (346) $ 5,890 $ 32,172 $ 6,436    
Ending Balance   5,361,971 5,374,518 3,599,535 2,395,821 5,361,971 3,599,535
Ending Balance   $ 142,524 $ 142,870 $ 94,796 $ 62,624 $ 142,524 $ 94,796
F-I Shares [Member] | Apollo Infrastructure Company LLC Series One [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 72,595 $ 76,461 $ 72,595 $ 33,990 $ 30,014 $ 72,595 $ 30,014
Beginning Balance 2,747,440 2,887,051 2,747,440 1,304,300 1,154,705 2,747,440 1,154,705
Proceeds from issuance of shares, shares   16,857 143,992 1,144,861 157,210    
Proceeds from issuance of shares   $ 469 $ 3,987 $ 30,585 $ 4,178 $ 4,456 $ 34,763
Repurchase of shares, shares   (40,857) (12,255) (28,602) (10,010)    
Repurchase of shares   $ (1,136) $ (339) $ (762) $ (266) (1,475) (1,028)
Reinvestment of distributions, shares   8,455 7,874 3,183 2,395    
Reinvestment of distributions   $ 235 $ 218 $ 85 $ 64    
Shares reissued under the DRIP   $ 235   $ 85   $ 453 $ 149
Total net increase (decrease), shares   (15,545) 139,611 1,119,442 149,595    
Net increase (decrease) in capital share transaction   $ (432) $ 3,866 $ 29,908 $ 3,976    
Ending Balance   2,871,506 2,887,051 2,423,742 1,304,300 2,871,506 2,423,742
Ending Balance   $ 76,029 $ 76,461 $ 63,898 $ 33,990 $ 76,029 $ 63,898
F-I Shares [Member] | Apollo Infrastructure Company LLC Series Two [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 64,385 $ 66,409 $ 64,385 $ 28,634 $ 26,174 $ 64,385 $ 26,174
Beginning Balance 2,415,511 2,487,467 2,415,511 1,091,521 999,415 2,415,511 999,415
Proceeds from issuance of shares, shares   12,843 59,018 77,514 86,039    
Proceeds from issuance of shares   $ 365 $ 1,661 $ 2,083 $ 2,298 $ 2,026 $ 4,381
Repurchase of shares, shares   (23,140)   0 0    
Repurchase of shares   $ (654)   $ 0 $ 0 (654) 0
Reinvestment of distributions, shares   13,295 12,938 6,758 6,067    
Reinvestment of distributions   $ 375 $ 363 $ 181 $ 162    
Shares reissued under the DRIP   $ 375   $ 181   $ 738 $ 343
Total net increase (decrease), shares   2,998 71,956 84,272 92,106    
Net increase (decrease) in capital share transaction   $ 86 $ 2,024 $ 2,264 $ 2,460    
Ending Balance   2,490,465 2,487,467 1,175,793 1,091,521 2,490,465 1,175,793
Ending Balance   $ 66,495 $ 66,409 $ 30,898 $ 28,634 $ 66,495 $ 30,898
E Shares [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 1,739 $ 1,919 $ 1,739 $ 1,076 $ 609 $ 1,739 $ 609
Beginning Balance 64,397 70,586 64,397 40,552 23,314 64,397 23,314
Proceeds from issuance of shares, shares   81,798 6,572 10,135 17,093    
Proceeds from issuance of shares   $ 2,353 $ 190 $ 279 $ 463 $ 2,543 $ 742
Repurchase of shares, shares   (570) (783) (791) 0    
Repurchase of shares   $ (17) $ (22) $ (22)   (39) (22)
Reinvestment of distributions, shares   450 400 268 145    
Reinvestment of distributions   $ 13 $ 12 $ 8 $ 4    
Shares reissued under the DRIP   $ 13   $ 8   $ 25 $ 12
Total net increase (decrease), shares   81,678 6,189 9,612 17,238    
Net increase (decrease) in capital share transaction   $ 2,349 $ 180 $ 265 $ 467    
Ending Balance   152,264 70,586 50,164 40,552 152,264 50,164
Ending Balance   $ 4,268 $ 1,919 $ 1,341 $ 1,076 $ 4,268 $ 1,341
E Shares [Member] | Apollo Infrastructure Company LLC Series One [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 269 $ 349 $ 269 $ 216 $ 110 $ 269 $ 110
Beginning Balance 10,128 12,929 10,128 8,201 4,262 10,128 4,262
Proceeds from issuance of shares, shares   75,061 2,725   3,907    
Proceeds from issuance of shares   $ 2,153 $ 78 $ 0 $ 105 $ 2,231 $ 105
Repurchase of shares, shares   0 0   0    
Repurchase of shares   $ 0 $ 0 $ 0   0 0
Reinvestment of distributions, shares   97 76 61 32    
Reinvestment of distributions   $ 3 $ 2 $ 2 $ 1    
Shares reissued under the DRIP   $ 3   $ 2   $ 5 $ 3
Total net increase (decrease), shares   75,158 2,801 61 3,939    
Net increase (decrease) in capital share transaction   $ 2,156 $ 80 $ 2 $ 106    
Ending Balance   88,087 12,929 8,262 8,201 88,087 8,262
Ending Balance   $ 2,505 $ 349 $ 218 $ 216 $ 2,505 $ 218
E Shares [Member] | Apollo Infrastructure Company LLC Series Two [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 1,470 $ 1,570 $ 1,470 $ 860 $ 499 $ 1,470 $ 499
Beginning Balance 54,269 57,657 54,269 32,351 19,052 54,269 19,052
Proceeds from issuance of shares, shares   6,737 3,847 10,135 13,186    
Proceeds from issuance of shares   $ 200 $ 112 $ 279 $ 358 $ 312 $ 637
Repurchase of shares, shares   (570) (783) (791) 0    
Repurchase of shares   $ (17) $ (22) $ (22) $ 0 (39) (22)
Reinvestment of distributions, shares   353 324 207 113    
Reinvestment of distributions   $ 10 $ 10 $ 6 $ 3    
Shares reissued under the DRIP   $ 10   $ 6   $ 20 $ 9
Total net increase (decrease), shares   6,520 3,388 9,551 13,299    
Net increase (decrease) in capital share transaction   $ 193 $ 100 $ 263 $ 361    
Ending Balance   64,177 57,657 41,902 32,351 64,177 41,902
Ending Balance   $ 1,763 $ 1,570 $ 1,123 $ 860 $ 1,763 $ 1,123
V Shares [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 2 $ 2 $ 2 $ 2 $ 2 $ 2 $ 2
Beginning Balance 80 80 80 80 80 80 80
Proceeds from issuance of shares, shares   0 0 0 0    
Proceeds from issuance of shares   $ 0 $ 0 $ 0 $ 0 $ 0 $ 0
Repurchase of shares, shares   0 0 0 0    
Repurchase of shares       $ 0      
Reinvestment of distributions, shares   0 0 0 0    
Reinvestment of distributions   $ 0 $ 0 $ 0 $ 0    
Total net increase (decrease), shares   0 0 0 0    
Net increase (decrease) in capital share transaction   $ 0 $ 0 $ 0 $ 0    
Ending Balance   80 80 80 80 80 80
Ending Balance   $ 2 $ 2 $ 2 $ 2 $ 2 $ 2
V Shares [Member] | Apollo Infrastructure Company LLC Series One [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 1 $ 1 $ 1 $ 1 $ 1 $ 1 $ 1
Beginning Balance 40 40 40 40 40 40 40
Proceeds from issuance of shares, shares       0 0    
Proceeds from issuance of shares   $ 0   $ 0 $ 0 $ 0 $ 0
Repurchase of shares, shares       0 0    
Repurchase of shares       $ 0 $ 0    
Reinvestment of distributions, shares       0 0    
Reinvestment of distributions       $ 0 $ 0    
Total net increase (decrease), shares   0 0 0 0    
Net increase (decrease) in capital share transaction   $ 0 $ 0 $ 0 $ 0    
Ending Balance   40 40 40 40 40 40
Ending Balance   $ 1 $ 1 $ 1 $ 1 $ 1 $ 1
V Shares [Member] | Apollo Infrastructure Company LLC Series Two [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 1 $ 1 $ 1 $ 1 $ 1 $ 1 $ 1
Beginning Balance 40 40 40 40 40 40 40
Proceeds from issuance of shares, shares         0    
Proceeds from issuance of shares   $ 0   $ 0 $ 0 $ 0 $ 0
Repurchase of shares, shares       0 0    
Repurchase of shares       $ 0 $ 0    
Reinvestment of distributions, shares       0 0    
Reinvestment of distributions       $ 0 $ 0    
Total net increase (decrease), shares   0 0 0 0    
Net increase (decrease) in capital share transaction   $ 0 $ 0 $ 0 $ 0    
Ending Balance   40 40 40 40 40 40
Ending Balance   $ 1 $ 1 $ 1 $ 1 $ 1 $ 1
I Shares [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 65,131 $ 72,546 $ 65,131 $ 9,937 $ 0 $ 65,131 $ 0
Beginning Balance 2,406,721 2,674,067 2,406,721 370,807 0 2,406,721 0
Proceeds from issuance of shares, shares   579,141 351,948 866,879 370,807    
Proceeds from issuance of shares   $ 16,250 $ 9,800 $ 23,302 $ 9,937    
Repurchase of shares, shares   (34,151) (95,966) 0 0    
Repurchase of shares   $ (950) $ (2,701) $ 0 $ 0    
Reinvestment of distributions, shares   12,898 11,364 2,405 0    
Reinvestment of distributions   $ 359 $ 316 $ 64 $ 0    
Total net increase (decrease), shares   557,888 267,346 869,284 370,807    
Net increase (decrease) in capital share transaction   $ 15,659 $ 7,415 $ 23,366 $ 9,937    
Ending Balance   3,231,955 2,674,067 1,240,091 370,807 3,231,955 1,240,091
Ending Balance   $ 88,205 $ 72,546 $ 33,303 $ 9,937 $ 88,205 $ 33,303
I Shares [Member] | Apollo Infrastructure Company LLC Series One [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 54,366 $ 61,938 $ 54,366 $ 9,070 $ 0 $ 54,366 $ 0
Beginning Balance 2,011,856 2,284,834 2,011,856 338,637 0 2,011,856 0
Proceeds from issuance of shares, shares   425,460 269,109 683,335 338,637    
Proceeds from issuance of shares   $ 11,898 $ 7,465 $ 18,342 $ 9,070    
Repurchase of shares, shares   (32,478) (5,116) 0 0    
Repurchase of shares   $ (903) $ (142) $ 0 $ 0    
Reinvestment of distributions, shares   10,442 8,985 2,179 0    
Reinvestment of distributions   $ 290 $ 249 $ 58 $ 0    
Total net increase (decrease), shares   403,424 272,978 685,514 338,637    
Net increase (decrease) in capital share transaction   $ 11,285 $ 7,572 $ 18,400 $ 9,070    
Ending Balance   2,688,258 2,284,834 1,024,151 338,637 2,688,258 1,024,151
Ending Balance   $ 73,223 $ 61,938 $ 27,470 $ 9,070 $ 73,223 $ 27,470
I Shares [Member] | Apollo Infrastructure Company LLC Series Two [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 10,765 $ 10,608 $ 10,765 $ 867 $ 0 $ 10,765 $ 0
Beginning Balance 394,865 389,233 394,865 32,170 0 394,865 0
Proceeds from issuance of shares, shares   153,681 82,839 183,544 32,170    
Proceeds from issuance of shares   $ 4,352 $ 2,335 $ 4,960 $ 867    
Repurchase of shares, shares   (1,673) (90,850) 0 0    
Repurchase of shares   $ (47) $ (2,559) $ 0 $ 0    
Reinvestment of distributions, shares   2,456 2,379 226 0    
Reinvestment of distributions   $ 69 $ 67 $ 6 $ 0    
Total net increase (decrease), shares   154,464 (5,632) 183,770 32,170    
Net increase (decrease) in capital share transaction   $ 4,374 $ (157) $ 4,966 $ 867    
Ending Balance   543,697 389,233 215,940 32,170 543,697 215,940
Ending Balance   $ 14,982 $ 10,608 $ 5,833 $ 867 $ 14,982 $ 5,833
S Shares [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 6 $ 6 $ 6 $ 6 $ 0 $ 6 $ 0
Beginning Balance 220 220 220 220 0 220 0
Proceeds from issuance of shares, shares 0 0   0 220    
Proceeds from issuance of shares $ 0 $ 0   $ 0 $ 6    
Repurchase of shares, shares 0 0   0 0    
Repurchase of shares       $ 0 $ 0    
Reinvestment of distributions, shares 0 0   0 0    
Reinvestment of distributions $ 0 $ 0   $ 0 $ 0    
Total net increase (decrease), shares 0 0   0 220    
Net increase (decrease) in capital share transaction $ 0 $ 0   $ 0 $ 6    
Ending Balance   220 220 220 220 220 220
Ending Balance   $ 6 $ 6 $ 6 $ 6 $ 6 $ 6
S Shares [Member] | Apollo Infrastructure Company LLC Series One [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 3 $ 3 $ 3 $ 3 $ 0 $ 3 $ 0
Beginning Balance 110 110 110 110 0 110 0
Proceeds from issuance of shares, shares 0     0 110    
Proceeds from issuance of shares $ 0     $ 0 $ 3    
Repurchase of shares, shares 0     0 0    
Repurchase of shares $ 0     $ 0 $ 0    
Reinvestment of distributions, shares 0     0 0    
Reinvestment of distributions $ 0     $ 0 $ 0    
Total net increase (decrease), shares 0 0   0 110    
Net increase (decrease) in capital share transaction $ 0 $ 0   $ 0 $ 3    
Ending Balance   110 110 110 110 110 110
Ending Balance   $ 3 $ 3 $ 3 $ 3 $ 3 $ 3
S Shares [Member] | Apollo Infrastructure Company LLC Series Two [Member]              
Class of Stock [Line Items]              
Beginning Balance $ 3 $ 3 $ 3 $ 3 $ 0 $ 3 $ 0
Beginning Balance 110 110 110 110 0 110 0
Proceeds from issuance of shares, shares 0     0 110    
Proceeds from issuance of shares $ 0     $ 0 $ 3    
Repurchase of shares, shares 0     0 0    
Repurchase of shares $ 0     $ 0 $ 0    
Reinvestment of distributions, shares 0     0 0    
Reinvestment of distributions $ 0     $ 0 $ 0    
Total net increase (decrease), shares 0 0   0 110    
Net increase (decrease) in capital share transaction $ 0 $ 0   $ 0 $ 3    
Ending Balance   110 110 110 110 110 110
Ending Balance   $ 3 $ 3 $ 3 $ 3 $ 3 $ 3