Business Combination, Amortization

No definition available.

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- Definition

Cash consideration transferred or to be transferred in cash except for contingent consideration.

+ References

No definition available.

+ Details

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- Definition

Business Combination, Contingent Consideration Arrangements, Financial Performance Objectives, Post-Acquisition Period

+ References

No definition available.

+ Details

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- Definition

Business Combination, Contingent Consideration Arrangements, Percentage of Consideration That Can Be Paid in Stock

+ References

No definition available.

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- Definition

Business Combination, Period For Performance Targets To Be Achieved

+ References

No definition available.

+ Details

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

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-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479581/805-30-50-1

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-5

+ Details

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- Definition

The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

+ References

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-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479581/805-30-50-1

+ Details

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Period Type:	instant

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

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-SubTopic 10
-Section 25
-Paragraph 23
-Publisher FASB
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Period Type:	duration

- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

+ References

+ Details

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Period Type:	duration

- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 30
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-Paragraph 1
-Subparagraph (c)(3)
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Period Type:	instant

- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

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Balance Type:	credit
Period Type:	duration

- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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-Topic 820
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- Definition

Amount of increase (decrease) from measurement period adjustment of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
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+ Details

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- Definition

The number of businesses acquired by the entity during the period.

+ References

No definition available.

+ Details

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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-SubTopic 30
-Name Accounting Standards Codification
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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

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-SubTopic 10
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Acquisitions - Additional Information (Details) $ in Thousands		1 Months Ended	2 Months Ended	7 Months Ended	12 Months Ended
	Jul. 17, 2024 USD ($) shares	Jul. 31, 2022 USD ($)	Feb. 19, 2025 USD ($) shares	Jul. 16, 2024 USD ($)	Dec. 31, 2024 USD ($) acquiredBusiness shares	Dec. 31, 2023 USD ($) acquiredBusiness shares	Dec. 31, 2022 USD ($)
Business Acquisition [Line Items]
Cash consideration, net of cash acquired					$ 1,745,735	$ 651,623	$ 195,087
Fair value of contingent consideration liability					344,984	157,073
Goodwill adjustment, increase					(10,996)	338
Cash payment for contingent consideration liabilities					0	$ 5,000	1,600
Businesses That Provide Various Services \| Subsequent Event
Business Acquisition [Line Items]
Aggregate cash consideration paid			$ 400,500
Number of shares granted for acquired companies (in shares) \| shares			515,822
Value of Quanta common stock issued			$ 161,600
Contingent consideration payments (up to)			$ 109,500
Businesses That Provide Various Services \| Subsequent Event \| Maximum
Business Acquisition [Line Items]
Post-acquisition period, financial performance objectives			3 years
Acquisitions 2024
Business Acquisition [Line Items]
Goodwill expected to be deductible for income tax purposes					42,400
Revenues included in consolidated results of operations					1,600,000
Income from continuing operations before income taxes included in consolidated results of operations					17,700
Amortization expense					98,900
CEI
Business Acquisition [Line Items]
Aggregate cash consideration paid	$ 1,650,000
Number of shares granted for acquired companies (in shares) \| shares	882,926
Value of Quanta common stock issued	$ 216,300				216,264
Consideration transferred to acquire a business	2,040,000				2,035,230
Cash consideration					1,654,967
Cash consideration, net of cash acquired	1,240,000
Contingent consideration payments (up to)	$ 200,000
Financial performance targets to be achieved, term	3 years
Percentage of consideration that can be paid in stock	10.00%
Fair value of contingent consideration liability	$ 164,000				163,999
Goodwill adjustment, increase					$ 58,500
Acquisition-related costs				$ 453,800
2024 Acquisitions, excluding CEI
Business Acquisition [Line Items]
Number of shares granted for acquired companies (in shares) \| shares					334,472
Value of Quanta common stock issued					$ 74,797
Consideration transferred to acquire a business					639,127
Cash consideration					540,064
Fair value of contingent consideration liability					$ 24,266
Number of businesses acquired \| acquiredBusiness					7
Acquisitions 2023
Business Acquisition [Line Items]
Number of shares granted for acquired companies (in shares) \| shares						1,238,576
Value of Quanta common stock issued						$ 158,922
Consideration transferred to acquire a business						939,695
Cash consideration						780,773
Fair value of contingent consideration liability						$ 0
Number of businesses acquired \| acquiredBusiness						5
Goodwill expected to be deductible for income tax purposes						$ 380,600
Revenues included in consolidated results of operations						475,200
Income from continuing operations before income taxes included in consolidated results of operations						15,900
Amortization expense						$ 34,700
Construction Contracting Services Business Acquisition
Business Acquisition [Line Items]
Cash consideration		$ 22,300
Acquisitions 2022
Business Acquisition [Line Items]
Goodwill expected to be deductible for income tax purposes							12,600
Revenues included in consolidated results of operations							15,500
Income from continuing operations before income taxes included in consolidated results of operations							2,500
Amortization expense							$ 1,400
Acquisitions Completed Prior to 2024
Business Acquisition [Line Items]
Contingent consideration payments (up to)					$ 580,200