Cover Page - USD ($)
$ in Billions

12 Months Ended

Dec. 31, 2023

Feb. 19, 2024

Jun. 30, 2023

Cover [Abstract]

Document Type

10-K

Document Annual Report

true

Current Fiscal Year End Date

--12-31

Document Period End Date

Dec. 31, 2023

Document Transition Report

false

Entity File Number

001-13831

Entity Registrant Name

Quanta Services, Inc.

Entity Incorporation, State or Country Code

DE

Entity Tax Identification Number

74-2851603

Entity Address, Address Line One

2727 North Loop West

Entity Address, City or Town

Houston

Entity Address, State or Province

TX

Entity Address, Postal Zip Code

77008

City Area Code

713

Local Phone Number

629-7600

Title of 12(b) Security

Common Stock, $0.00001 par value

Trading Symbol

PWR

Security Exchange Name

NYSE

Entity Well-known Seasoned Issuer

Yes

Entity Voluntary Filers

No

Entity Current Reporting Status

Yes

Entity Interactive Data Current

Yes

Entity Filer Category

Large Accelerated Filer

Entity Small Business

false

Entity Emerging Growth Company

false

ICFR Auditor Attestation Flag

true

Document Financial Statement Error Correction [Flag]

false

Entity Shell Company

false

Entity Public Float

$ 28.2

Entity Common Stock, Shares Outstanding

145,748,976

Documents Incorporated by Reference

Portions of the registrant’s Definitive Proxy Statement for the 2024 Annual Meeting of Stockholders are incorporated by reference into Part III of this Form 10-K.

Document Fiscal Period Focus

FY

Amendment Flag

false

Document Fiscal Year Focus

2023

Entity Central Index Key

0001050915