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Investments in Affiliates and Other Entities (Tables)

3 Months Ended

Mar. 31, 2026

Investments [Abstract]

Schedule of Equity Investments

The following table presents Quanta’s equity investments by type (in thousands):

						March 31, 2026						December 31, 2025
Equity method investments - integral unconsolidated affiliates						$	267,436					$	265,094
Equity method investments - non-integral unconsolidated affiliates						83,167						76,134
Non-marketable equity securities						55,931						70,453
Total equity investments						$	406,534					$	411,681

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- Definition

Tabular disclosure of investment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/320/tableOfContent

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Topic 321
-Publisher FASB
-URI https://asc.fasb.org/321/tableOfContent

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Topic 325
-Publisher FASB
-URI https://asc.fasb.org/325/tableOfContent

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