| Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Consolidated net income (loss) | 261,631 | -1,802 | -40 | 221 | 420 |
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| Amortization of intangible assets | - | 114 | 257 | 300 | 258 |
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| Equity-based compensation | - | 1,205 | 421 | 313 | 313 |
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| Depreciation | - | 1 | 2 | 10 | 17 |
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| Amortization of Debt Issuance Costs and Discounts | - | 2 | 4 | 5 | 7 |
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| Non-cash interest and dividend income | - | - | - | - | 23 |
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| Non-cash lease expense | - | -2 | -13 | -23 | 27 |
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| Payment of earnout liability in excess of acquisition-date fair value | - | - | - | 7 | 14 |
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| Net gains on investments, net of dividends on equity-method investments | - | -4 | -0 | 4 | -13 |
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| Change in TRA liability | - | - | - | - | 7 |
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| Change in warrant liability | - | 44 | -35 | 14 | 38 |
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| Change in earnout liability | - | 834 | 14 | 6 | 28 |
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| Deferred income taxes | - | -66 | -24 | 4 | 27 |
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| Due from related parties | - | 105 | 128 | 9 | 175 |
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| Strategic Revenue-Share Purchase consideration | - | 41 | -37 | -41 | -44 |
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| Other assets, net | - | 2 | 2 | 15 | 14 |
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| Accrued compensation | - | 93 | 138 | 41 | 31 |
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| Accounts payable, accrued expenses and other liabilities | - | -33 | 58 | 5 | 10 |
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| Net Cash Provided by Operating Activities | -550,911 | 282 | 728 | 949 | 1,000 |
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| Purchases of fixed assets | - | 5 | 66 | 68 | 64 |
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| Purchases of investments | - | 329 | 309 | 86 | 378 |
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| Proceeds from investment sales and maturities | - | 314 | 4 | 62 | 250 |
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| Cash consideration paid for acquisitions, net of cash acquired | - | 1,579 | 114 | 26 | 445 |
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| Net Cash Used in Investing Activities | -275,000,000 | -1,599 | -485 | -118 | -638 |
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| Offering costs related to the Acquisitions | 425,433 | 126 | - | - | 0 |
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| Proceeds from debt obligations | - | 1,390 | 775 | 1,055 | 2,170 |
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| Debt issuance costs | - | 18 | 8 | 6 | 25 |
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| Repayments of debt obligations, including retirement costs | - | 578 | 323 | 1,000 | 1,245 |
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| Payment of earnout liability, up to acquisition-date fair value | - | - | - | 79 | 80 |
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| Equity-classified awards settled in cash | - | - | - | 3 | - |
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| Payments under the TRA | - | - | - | - | 28 |
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| Withholding taxes on vested RSUs | - | - | 2 | 15 | 39 |
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| Dividends paid on Class A Shares | - | 47 | 183 | 248 | 368 |
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| Proceeds from Warrant Exercises | - | - | 0 | - | - |
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| Class A Share repurchases | - | - | 79 | - | - |
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| Proceeds from Noncontrolling Interests | - | 16 | 27 | 48 | 38 |
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| Distributions to noncontrolling interests | - | 135 | 425 | 546 | 735 |
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| Net Cash Used in Financing Activities | 276 | 1,348 | -218 | -795 | -313 |
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| Net Increase in Cash and Cash Equivalents | 928,766 | 31 | 26 | 36 | 48 |
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| Cash paid for interest | - | 25 | 48 | 72 | 101 |
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| Income Taxes Paid, Net | - | 4 | 5 | 14 | 22 |
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