| Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 |
|---|
| Net income (loss) | -407 | -107 | -263 |
|---|
| Depreciation and amortization | 15 | 14 | 20 |
|---|
| Stock-based compensation expense | 292 | 28 | 69 |
|---|
| Depreciation and amortization | 15 | 14 | 20 |
|---|
| Loss on debt extinguishment | -2 | - | - |
|---|
| Stock-based compensation expense | 292 | 28 | 69 |
|---|
| Loss (income) from equity method investments | -7 | 11 | 16 |
|---|
| Loss on debt extinguishment | -2 | - | - |
|---|
| Deferred income taxes and uncertain tax positions | 3 | -1 | - |
|---|
| Loss (income) from equity method investments | -7 | 11 | 16 |
|---|
| Release of indemnification assets | -2 | -1 | - |
|---|
| Deferred income taxes and uncertain tax positions | 3 | -1 | - |
|---|
| (Gain) loss on sale of assets, net | 0 | - | -48 |
|---|
| Release of indemnification assets | -2 | -1 | - |
|---|
| Distributions of earnings from equity method investments | -0 | - | - |
|---|
| (Gain) loss on sale of assets, net | 0 | - | -48 |
|---|
| Other non-cash items | -0 | -3 | 4 |
|---|
| Distributions of earnings from equity method investments | -0 | - | - |
|---|
| Other non-cash items | -0 | -3 | 4 |
|---|
| Net income (loss) | -407 | -107 | -263 |
|---|
| Receivables, net | 149 | 204 | 460 |
|---|
| Prepaid expense and other current assets | 4 | 17 | 6 |
|---|
| Receivables, net | 149 | 204 | 460 |
|---|
| Other assets | -4 | 0 | 0 |
|---|
| Prepaid expense and other current assets | 4 | 17 | 6 |
|---|
| Medical claims and related payables | -76 | -108 | -441 |
|---|
| Other assets | -4 | 0 | 0 |
|---|
| Accounts payable and accrued expenses | 19 | 66 | 32 |
|---|
| Medical claims and related payables | -76 | -108 | -441 |
|---|
| Other liabilities | -2 | -12 | -17 |
|---|
| Accounts payable and accrued expenses | 19 | 66 | 32 |
|---|
| Other liabilities | -2 | -12 | -17 |
|---|
| Depreciation and amortization | 15 | 14 | 20 |
|---|
| Stock-based compensation expense | 292 | 28 | 69 |
|---|
| Depreciation and amortization | 15 | 14 | 20 |
|---|
| Loss on debt extinguishment | -2 | - | - |
|---|
| Stock-based compensation expense | 292 | 28 | 69 |
|---|
| Loss (income) from equity method investments | -7 | 11 | 16 |
|---|
| Loss on debt extinguishment | -2 | - | - |
|---|
| Deferred income taxes and uncertain tax positions | 3 | -1 | - |
|---|
| Loss (income) from equity method investments | -7 | 11 | 16 |
|---|
| Release of indemnification assets | -2 | -1 | - |
|---|
| Deferred income taxes and uncertain tax positions | 3 | -1 | - |
|---|
| (Gain) loss on sale of assets, net | 0 | - | -48 |
|---|
| Release of indemnification assets | -2 | -1 | - |
|---|
| Distributions of earnings from equity method investments | -0 | - | - |
|---|
| (Gain) loss on sale of assets, net | 0 | - | -48 |
|---|
| Other non-cash items | -0 | -3 | 4 |
|---|
| Distributions of earnings from equity method investments | -0 | - | - |
|---|
| Other non-cash items | -0 | -3 | 4 |
|---|
| Net cash provided by (used in) operating activities | -148 | -131 | -156 |
|---|
| Receivables, net | 149 | 204 | 460 |
|---|
| Prepaid expense and other current assets | 4 | 17 | 6 |
|---|
| Receivables, net | 149 | 204 | 460 |
|---|
| Other assets | -4 | 0 | 0 |
|---|
| Prepaid expense and other current assets | 4 | 17 | 6 |
|---|
| Medical claims and related payables | -76 | -108 | -441 |
|---|
| Other assets | -4 | 0 | 0 |
|---|
| Accounts payable and accrued expenses | 19 | 66 | 32 |
|---|
| Medical claims and related payables | -76 | -108 | -441 |
|---|
| Other liabilities | -2 | -12 | -17 |
|---|
| Accounts payable and accrued expenses | 19 | 66 | 32 |
|---|
| Other liabilities | -2 | -12 | -17 |
|---|
| Net cash provided by (used in) operating activities | -148 | -131 | -156 |
|---|
| Purchase of property and equipment | 7 | 15 | 16 |
|---|
| Purchase of intangible assets | 7 | 17 | 15 |
|---|
| Purchase of property and equipment | 7 | 15 | 16 |
|---|
| Investments in loans receivable and other | 83 | 7 | 20 |
|---|
| Purchase of intangible assets | 7 | 17 | 15 |
|---|
| Investments in marketable securities | - | 458 | 115 |
|---|
| Investments in loans receivable and other | 83 | 7 | 20 |
|---|
| Proceeds from Sale and Maturity of Marketable Securities | - | 53 | - |
|---|
| Investments in marketable securities | - | 458 | 115 |
|---|
| Proceeds from Divestiture of Businesses, Net of Cash Divested | -1 | 1 | 2 |
|---|
| Proceeds from maturities and sales of marketable securities and other | - | - | 164 |
|---|
| Net cash provided by (used in) investing activities | -91 | -444 | -44 |
|---|
| Net cash paid in business combination | - | - | 45 |
|---|
| Proceeds from Divestiture of Businesses, Net of Cash Divested | -1 | 1 | 2 |
|---|
| Net cash provided by (used in) investing activities | -91 | -444 | -44 |
|---|
| Net income (loss) | -407 | -107 | -263 |
|---|
| Depreciation and amortization | 15 | 14 | 20 |
|---|
| Stock-based compensation expense | 292 | 28 | 69 |
|---|
| Depreciation and amortization | 15 | 14 | 20 |
|---|
| Loss on debt extinguishment | -2 | - | - |
|---|
| Stock-based compensation expense | 292 | 28 | 69 |
|---|
| Loss (income) from equity method investments | -7 | 11 | 16 |
|---|
| Loss on debt extinguishment | -2 | - | - |
|---|
| Deferred income taxes and uncertain tax positions | 3 | -1 | - |
|---|
| Loss (income) from equity method investments | -7 | 11 | 16 |
|---|
| Release of indemnification assets | -2 | -1 | - |
|---|
| Deferred income taxes and uncertain tax positions | 3 | -1 | - |
|---|
| (Gain) loss on sale of assets, net | 0 | - | -48 |
|---|
| Release of indemnification assets | -2 | -1 | - |
|---|
| Distributions of earnings from equity method investments | -0 | - | - |
|---|
| (Gain) loss on sale of assets, net | 0 | - | -48 |
|---|
| Other non-cash items | -0 | -3 | 4 |
|---|
| Distributions of earnings from equity method investments | -0 | - | - |
|---|
| Other non-cash items | -0 | -3 | 4 |
|---|
| Net income (loss) | -407 | -107 | -263 |
|---|
| Receivables, net | 149 | 204 | 460 |
|---|
| Prepaid expense and other current assets | 4 | 17 | 6 |
|---|
| Receivables, net | 149 | 204 | 460 |
|---|
| Other assets | -4 | 0 | 0 |
|---|
| Prepaid expense and other current assets | 4 | 17 | 6 |
|---|
| Medical claims and related payables | -76 | -108 | -441 |
|---|
| Other assets | -4 | 0 | 0 |
|---|
| Accounts payable and accrued expenses | 19 | 66 | 32 |
|---|
| Medical claims and related payables | -76 | -108 | -441 |
|---|
| Other liabilities | -2 | -12 | -17 |
|---|
| Accounts payable and accrued expenses | 19 | 66 | 32 |
|---|
| Other liabilities | -2 | -12 | -17 |
|---|
| Depreciation and amortization | 15 | 14 | 20 |
|---|
| Stock-based compensation expense | 292 | 28 | 69 |
|---|
| Depreciation and amortization | 15 | 14 | 20 |
|---|
| Loss on debt extinguishment | -2 | - | - |
|---|
| Stock-based compensation expense | 292 | 28 | 69 |
|---|
| Loss (income) from equity method investments | -7 | 11 | 16 |
|---|
| Loss on debt extinguishment | -2 | - | - |
|---|
| Deferred income taxes and uncertain tax positions | 3 | -1 | - |
|---|
| Loss (income) from equity method investments | -7 | 11 | 16 |
|---|
| Release of indemnification assets | -2 | -1 | - |
|---|
| Deferred income taxes and uncertain tax positions | 3 | -1 | - |
|---|
| (Gain) loss on sale of assets, net | 0 | - | -48 |
|---|
| Release of indemnification assets | -2 | -1 | - |
|---|
| Distributions of earnings from equity method investments | -0 | - | - |
|---|
| (Gain) loss on sale of assets, net | 0 | - | -48 |
|---|
| Other non-cash items | -0 | -3 | 4 |
|---|
| Distributions of earnings from equity method investments | -0 | - | - |
|---|
| Other non-cash items | -0 | -3 | 4 |
|---|
| Net cash provided by (used in) operating activities | -148 | -131 | -156 |
|---|
| Receivables, net | 149 | 204 | 460 |
|---|
| Prepaid expense and other current assets | 4 | 17 | 6 |
|---|
| Receivables, net | 149 | 204 | 460 |
|---|
| Other assets | -4 | 0 | 0 |
|---|
| Prepaid expense and other current assets | 4 | 17 | 6 |
|---|
| Medical claims and related payables | -76 | -108 | -441 |
|---|
| Other assets | -4 | 0 | 0 |
|---|
| Accounts payable and accrued expenses | 19 | 66 | 32 |
|---|
| Medical claims and related payables | -76 | -108 | -441 |
|---|
| Other liabilities | -2 | -12 | -17 |
|---|
| Accounts payable and accrued expenses | 19 | 66 | 32 |
|---|
| Other liabilities | -2 | -12 | -17 |
|---|
| Net cash provided by (used in) operating activities | -148 | -131 | -156 |
|---|
| Proceeds from initial public offering | 1,171 | - | - |
|---|
| Proceeds from Issuance of Common Stock | - | 33 | 12 |
|---|
| Proceeds from initial public offering | 1,171 | - | - |
|---|
| Common stock repurchase | - | - | 200 |
|---|
| Proceeds from Issuance of Common Stock | - | 33 | 12 |
|---|
| Proceeds from Issuance of Long-Term Debt | 100 | - | - |
|---|
| Common stock repurchase | - | - | 200 |
|---|
| Repayments of long-term borrowings and other | 120 | 5 | 5 |
|---|
| Proceeds from Issuance of Long-Term Debt | 100 | - | - |
|---|
| Equity and debt issuance costs and other | 15 | - | - |
|---|
| Repayments of long-term borrowings and other | 120 | 5 | 5 |
|---|
| Equity and debt issuance costs and other | 15 | - | - |
|---|
| Net cash provided by (used in) financing activities | 1,154 | 28 | -193 |
|---|
| Purchase of property and equipment | 7 | 15 | 16 |
|---|
| Purchase of intangible assets | 7 | 17 | 15 |
|---|
| Purchase of property and equipment | 7 | 15 | 16 |
|---|
| Investments in loans receivable and other | 83 | 7 | 20 |
|---|
| Purchase of intangible assets | 7 | 17 | 15 |
|---|
| Investments in marketable securities | - | 458 | 115 |
|---|
| Investments in loans receivable and other | 83 | 7 | 20 |
|---|
| Proceeds from Sale and Maturity of Marketable Securities | - | 53 | - |
|---|
| Investments in marketable securities | - | 458 | 115 |
|---|
| Proceeds from Divestiture of Businesses, Net of Cash Divested | -1 | 1 | 2 |
|---|
| Proceeds from maturities and sales of marketable securities and other | - | - | 164 |
|---|
| Net cash provided by (used in) investing activities | -91 | -444 | -44 |
|---|
| Net cash paid in business combination | - | - | 45 |
|---|
| Proceeds from Divestiture of Businesses, Net of Cash Divested | -1 | 1 | 2 |
|---|
| Net cash provided by (used in) investing activities | -91 | -444 | -44 |
|---|
| Net increase (decrease) in cash, cash equivalents and restricted cash and equivalents | 916 | -547 | -393 |
|---|
| Proceeds from initial public offering | 1,171 | - | - |
|---|
| Proceeds from Issuance of Common Stock | - | 33 | 12 |
|---|
| Proceeds from initial public offering | 1,171 | - | - |
|---|
| Common stock repurchase | - | - | 200 |
|---|
| Proceeds from Issuance of Common Stock | - | 33 | 12 |
|---|
| Proceeds from Issuance of Long-Term Debt | 100 | - | - |
|---|
| Common stock repurchase | - | - | 200 |
|---|
| Repayments of long-term borrowings and other | 120 | 5 | 5 |
|---|
| Proceeds from Issuance of Long-Term Debt | 100 | - | - |
|---|
| Equity and debt issuance costs and other | 15 | - | - |
|---|
| Repayments of long-term borrowings and other | 120 | 5 | 5 |
|---|
| Equity and debt issuance costs and other | 15 | - | - |
|---|
| Net cash provided by (used in) financing activities | 1,154 | 28 | -193 |
|---|
| Net increase (decrease) in cash, cash equivalents and restricted cash and equivalents | 916 | -547 | -393 |
|---|