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Detail of Certain Accounts (Tables) | 9 Months Ended
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Sep. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Cash and Cash Equivalents | Amounts related to cash and cash equivalents held by consolidated or proportionately consolidated joint ventures and the captive insurance company, which are included in Quanta’s total cash and cash equivalents balances, were as follows (in thousands):
|  | September 30, 2025 |  | December 31, 2024
Cash and cash equivalents held by domestic joint ventures |  | $ | 43,774 |  |  | $ | 71,646 |
Cash and cash equivalents held by foreign joint ventures |  | 10,035 |  |  | 10,088 |
Total cash and cash equivalents held by joint ventures |  | 53,809 |  |  | 81,734 |
Cash and cash equivalents held by captive insurance company |  | 24,412 |  |  | 19,445 |
Cash and cash equivalents not held by joint ventures or captive insurance company |  | 532,166 |  |  | 640,781 |
Total cash and cash equivalents |  | $ | 610,387 |  |  | $ | 741,960 |
Schedule of Prepaid Expenses and Other Current Assets | Prepaid expenses and other current assets consisted of the following (in thousands):
|  | September 30, 2025 |  | December 31, 2024
Prepaid expenses |  | $ | 450,269 |  |  | $ | 268,093 |
Other current assets |  | 154,918 |  |  | 201,245 |
Prepaid expenses and other current assets |  | $ | 605,187 |  |  | $ | 469,338 |
Schedule of Identifiable Intangible Assets | Quanta’s identifiable intangible assets were as follows (in thousands):
|  | September 30, 2025 |  | December 31, 2024
Customer relationships |  | $ | 2,990,138 |  |  | $ | 2,405,606 |
Backlog |  | 534,486 |  |  | 442,459 |
Trade names |  | 697,210 |  |  | 569,307 |
Non-compete agreements |  | 81,092 |  |  | 61,589 |
Patented rights, developed technology, process certifications and other |  | 35,376 |  |  | 35,317 |
Curriculum |  | 16,502 |  |  | 15,618 |
Other intangible assets subject to amortization |  | 4,354,804 |  |  | 3,529,896 |
Accumulated amortization |  | (2,033,224) |  |  | (1,672,359) |
Other intangible assets subject to amortization, net |  | 2,321,580 |  |  | 1,857,537 |
Engineering license |  | 3,000 |  |  | 3,000 |
Other intangible assets, net |  | $ | 2,324,580 |  |  | $ | 1,860,537 |
Accounts Payable and Accrued Expenses | Accounts payable and accrued expenses consisted of the following (in thousands):
|  | September 30, 2025 |  | December 31, 2024
Accounts payable, trade |  | $ | 2,783,415 |  |  | $ | 2,096,125 |
Accrued compensation and related expenses |  | 845,180 |  |  | 651,893 |
Other accrued expenses |  | 765,591 |  |  | 974,325 |
Accounts payable and accrued expenses |  | $ | 4,394,186 |  |  | $ | 3,722,343 |

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- Definition Tabular disclosure of the (a) carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business (accounts payable); (b) other payables; and (c) accrued liabilities. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). An alternative caption includes accrued expenses. + References No definition available. + Details
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