Carrying Value and Fair Value of Blackstone Issued Notes (Detail) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
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|---|---|---|---|---|---|---|---|---|
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | $ 13,280,285 | $ 12,445,144 | ||||||
| Fair Value | 11,950,354 | 11,394,706 | ||||||
| Blackstone Fund Facilities | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [1] | 900,000 | 0 | |||||
| Fair Value | [1] | 900,000 | 0 | |||||
| Senior Secured Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 13,189,537 | 12,318,723 | |||||
| Fair Value | [2] | 11,856,153 | 11,264,939 | |||||
| Borrowings Of Consolidated Blackstone Funds | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | 90,748 | 126,421 | ||||||
| Fair Value | 94,201 | 129,767 | ||||||
| Borrowings Of Consolidated Blackstone Funds | Blackstone Fund Facilities | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [3] | 90,748 | 126,421 | |||||
| Fair Value | [3] | 94,201 | 129,767 | |||||
| 1.000% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 699,692 | 711,022 | |||||
| Fair Value | [2] | 686,810 | 696,585 | |||||
| 3.150% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 299,367 | 299,264 | |||||
| Fair Value | [2] | 294,699 | 295,941 | |||||
| 5.900% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 597,969 | 597,667 | |||||
| Fair Value | [2] | 612,696 | 619,068 | |||||
| 1.625% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 647,608 | 647,359 | |||||
| Fair Value | [2] | 609,154 | 610,688 | |||||
| 1.500% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 701,538 | 713,034 | |||||
| Fair Value | [2] | 649,212 | 673,772 | |||||
| 2.500% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 495,850 | 495,590 | |||||
| Fair Value | [2] | 463,830 | 467,930 | |||||
| 4.300% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 594,718 | 594,461 | |||||
| Fair Value | [2] | 591,132 | 600,162 | |||||
| 1.600% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 497,503 | 497,384 | |||||
| Fair Value | [2] | 428,115 | 435,810 | |||||
| 2.000% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 792,079 | 791,761 | |||||
| Fair Value | [2] | 679,440 | 689,088 | |||||
| 2.550% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 496,759 | 496,635 | |||||
| Fair Value | [2] | 437,170 | 444,025 | |||||
| 6.200% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 893,450 | 893,266 | |||||
| Fair Value | [2] | 953,514 | 975,870 | |||||
| 3.500% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 550,050 | 559,079 | |||||
| Fair Value | [2] | 548,548 | 582,161 | |||||
| 5.000% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 741,740 | 741,552 | |||||
| Fair Value | [2] | 735,735 | 757,718 | |||||
| 4.950% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 594,689 | 594,586 | |||||
| Fair Value | [2] | 579,798 | 596,592 | |||||
| 6.250% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 240,159 | 240,076 | |||||
| Fair Value | [2] | 254,223 | 264,443 | |||||
| 5.000% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 490,638 | 490,561 | |||||
| Fair Value | [2] | 446,975 | 466,615 | |||||
| 4.450% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 345,037 | 344,996 | |||||
| Fair Value | [2] | 287,970 | 302,855 | |||||
| 4.000% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 291,664 | 291,605 | |||||
| Fair Value | [2] | 225,156 | 236,016 | |||||
| 3.500% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 392,856 | 392,808 | |||||
| Fair Value | [2] | 273,892 | 286,888 | |||||
| 2.800% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 394,444 | 394,405 | |||||
| Fair Value | [2] | 235,640 | 246,808 | |||||
| 2.850% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 543,685 | 543,643 | |||||
| Fair Value | [2] | 327,184 | 345,164 | |||||
| 3.200% Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Carrying Value | [2] | 988,042 | 987,969 | |||||
| Fair Value | [2] | $ 635,260 | $ 670,740 | |||||
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