Debt Instrument, Ownership Percentage

No definition available.

Name:	mtz_DebtInstrumentOwnershipPercentage
Namespace Prefix:	mtz_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- 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.

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+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

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+ Details

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Balance Type:	credit
Period Type:	instant

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Period Type:

- Details

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- Details

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- Details

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- Details

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- Details

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Debt - IEA 6.625% Notes (Details) - USD ($)		12 Months Ended
Debt - IEA 6.625% Notes (Details) - USD ($)	Oct. 07, 2022	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Long-term debt obligations			$ 0
Senior Notes \| Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Debt instrument, redemption price (percentage)	106.625%
Debt instrument, redemption price, percentage of principal amount redeemed	40.00%
6.625% Senior Notes
Debt Instrument [Line Items]
Senior notes, gross carrying amount		$ 284,200,000	281,200,000
6.625% Senior Notes \| Senior Notes
Debt Instrument [Line Items]
Long-term debt obligations	$ 300,000,000	$ 284,200,000	281,200,000
Debt instrument, interest rate (percentage)		6.625%
Debt instrument, ownership percentage		30.00%
6.625% Senior Notes \| Senior Notes \| Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Debt instrument, redemption price (percentage)	100.00%
6.625% Senior Notes \| Senior Notes \| Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Debt instrument, redemption price (percentage)	103.30%
Debt instrument, term	2 years
6.625% Senior Notes \| Senior Notes \| Debt Instrument, Redemption, Period Four
Debt Instrument [Line Items]
Debt instrument, redemption price (percentage)	101.00%
IEA Senior Notes
Debt Instrument [Line Items]
Senior notes, gross carrying amount		$ 225,100,000
IEA Senior Notes \| Senior Notes
Debt Instrument [Line Items]
Long-term debt obligations		213,300,000	211,100,000
Mastec Senior Notes
Debt Instrument [Line Items]
Senior notes, gross carrying amount		74,900,000
Mastec Senior Notes \| Senior Notes
Debt Instrument [Line Items]
Long-term debt obligations		$ 70,900,000	$ 70,100,000