| Metric | Oct 31, 2024 FY24 Q3 | Feb 27, 2025 FY24 Q4 | May 1, 2025 FY25 Q1 | Jul 31, 2025 FY25 Q2 | Oct 30, 2025 FY25 Q3 | Feb 26, 2026 FY25 Q4 | Apr 30, 2026 FY26 Q1 | Jul 24, 2026 FY26 Q2 |
|---|---|---|---|---|---|---|---|---|
| For FY2026 | ||||||||
| Revenue | — | — | — | — | — | New“$17,000” | Raised“$17,500” | Raised“$18,200” |
| Revenue | — | — | — | — | — | — | — | New“$4,930” |
| Revenue | — | — | — | — | — | — | New“$4,300” | — |
| Revenue | — | — | — | — | — | New“$3,475” | — | — |
| Adjusted diluted earnings per share | — | — | — | — | — | New“$8.40” | Raised“$8.79” | Raised“$9.30” |
| Adjusted diluted earnings per share | — | — | — | — | — | — | — | New“$2.98” |
| Adjusted diluted earnings per share | — | — | — | — | — | — | New“$2.20” | — |
| Adjusted diluted earnings per share | — | — | — | — | — | New“$1.00” | — | — |
| Adjusted Diluted EPS | — | — | — | — | — | — | New“$8.79” | Raised“$9.30” |
| Adjusted EBITDA | — | — | — | — | — | New“$1,450” | Raised“$1,500” | Raised“$1,600” |
| Adjusted EBITDA | — | — | — | — | — | — | — | New“$482” |
| Adjusted EBITDA | — | — | — | — | — | — | New“$380” | — |
| Adjusted EBITDA | — | — | — | — | — | New“$245” | — | — |
| Adjusted EBITDA margin | — | — | — | — | — | New“8.5%” | Raised“8.6%” | Raised“8.8%” |
| Adjusted EBITDA margin | — | — | — | — | — | — | — | New“9.8%” |
| Adjusted EBITDA margin | — | — | — | — | — | — | New“8.8%” | — |
| Adjusted EBITDA margin | — | — | — | — | — | New“7.1%” | — | — |
| Adjusted net income | — | — | — | — | — | New“$707” | Raised“$734” | Raised“$785” |
| Adjusted net income | — | — | — | — | — | — | — | New“$252” |
| Adjusted net income | — | — | — | — | — | — | New“$187” | — |
| Adjusted net income | — | — | — | — | — | New“$89” | — | — |
| Diluted EPS | — | — | — | — | — | — | New“$6.77” | Lowered“$6.20” |
| GAAP diluted earnings per share | — | — | — | — | — | New“$6.62” | Raised“$6.77” | Lowered“$6.20” |
| GAAP diluted earnings per share | — | — | — | — | — | — | — | New“$2.03” |
| GAAP diluted earnings per share | — | — | — | — | — | — | New“$1.72” | — |
| GAAP diluted earnings per share | — | — | — | — | — | New“$0.57” | — | — |
| GAAP net income | — | — | — | — | — | New“$566” | Raised“$575” | Lowered“$539” |
| GAAP net income | — | — | — | — | — | — | — | New“$176” |
| GAAP net income | — | — | — | — | — | — | New“$150” | — |
| GAAP net income | — | — | — | — | — | New“$55” | — | — |
| For FY2025 | ||||||||
| Adjusted EBITDA margin (% of revenue) | — | New“8.2 – 8.5%” | — | — | — | — | — | — |
| Adjusted EBITDA margin (% of revenue) | — | New“5.9% of revenue” | — | — | — | — | — | — |
| EBITDA, % of revenue | — | New“7.9 – 8.3%” | — | — | — | — | — | — |
| EBITDA, % of revenue | — | New“5.6%” | — | — | — | — | — | — |
| Implied revenue growth | — | — | — | — | New“9%” | — | — | — |
| Net income (loss), % of revenue | — | New“2.4 – 2.7%” | — | — | — | — | — | — |
| Net loss, % of revenue | — | New“(0.0)%” | — | — | — | — | — | — |
| Revenue | — | — | New“$13,650” | Raised“$13,900 - 14,000” | Raised“$14,075” | — | — | — |
| Revenue | — | — | — | New“$ 3,900” | — | — | — | — |
| Revenue | — | — | New“$3,400” | — | — | — | — | — |
| Revenue | — | New“$13.45 billion” | — | — | — | — | — | — |
| Revenue | — | New“approximately $2.7 billion” | — | — | — | — | — | — |
| Adjusted diluted earnings per share | — | — | New“$5.90 - 6.25” | Raised“$6.23 - 6.44” | — | — | — | — |
| Adjusted diluted earnings per share | — | — | — | New“$ 2.28” | — | — | — | — |
| Adjusted diluted earnings per share | — | — | New“$1.36 - 1.46” | — | — | — | — | — |
| Adjusted diluted earnings per share | — | New“$5.35 to $5.84” | — | — | — | — | — | — |
| Adjusted diluted earnings per share | — | New“$0.34” | — | — | — | — | — | — |
| Adjusted Diluted EPS for FY 2025 | — | — | — | — | New“$6.40” | — | — | — |
| Adjusted Diluted EPS increase | — | — | New“increased ~9% from prior midpoint of guidance” | — | — | — | — | — |
| Adjusted Diluted EPS midpoint | — | — | — | New“$6.33” | — | — | — | — |
| Adjusted EBITDA | — | New“$1,100 –1,150” | Raised“$1,120 - 1,160” | Narrowed“$1,130 - 1,160” | — | — | — | — |
| Adjusted EBITDA | — | — | — | New“$ 370” | — | — | — | — |
| Adjusted EBITDA | — | — | New“$270 - 280” | — | — | — | — | — |
| Adjusted EBITDA | — | New“$1.10 to $1.15 billion” | — | — | — | — | — | — |
| Adjusted EBITDA | — | New“$160 million” | — | — | — | — | — | — |
| Adjusted EBITDA margin | — | — | New“8.2 - 8.5%” | Lowered“8.1 - 8.3%” | — | — | — | — |
| Adjusted EBITDA margin | — | — | — | New“9.5%” | — | — | — | — |
| Adjusted EBITDA margin | — | — | New“7.9 - 8.2%” | — | — | — | — | — |
| Adjusted net income | — | New“$454 – 493” | Raised“$493 - 524” | Raised“$515 - 535” | — | — | — | — |
| Adjusted net income | — | — | — | New“$ 189” | — | — | — | — |
| Adjusted net income | — | — | New“$113 - 120” | — | — | — | — | — |
| Adjusted net income (loss) | — | New“$30” | — | — | — | — | — | — |
| Adjusted net income (loss) attributable to MasTec, Inc. | — | New“$27” | — | — | — | — | — | — |
| Adjusted net income attributable to MasTec, Inc. | — | New“$424 – 463” | — | — | — | — | — | — |
| Diluted earnings per share | — | New“$3.75 to $4.24” | — | — | — | — | — | — |
| Diluted EPS for FY 2025 | — | — | — | — | New“$4.80” | — | — | — |
| Diluted EPS midpoint | — | — | — | New“$4.71” | — | — | — | — |
| EBITDA | — | New“$1,066 – 1,115” | — | — | — | — | — | — |
| EBITDA | — | New“$152” | — | — | — | — | — | — |
| GAAP diluted earnings per share | — | — | New“$4.28 - 4.63” | Raised“$4.61 - 4.82” | — | — | — | — |
| GAAP diluted earnings per share | — | — | — | New“$ 1.87” | — | — | — | — |
| GAAP diluted earnings per share | — | — | New“$0.95 - 1.05” | — | — | — | — | — |
| GAAP net income | — | — | New“$366 - 397” | Raised“$388 - 408” | — | — | — | — |
| GAAP net income | — | — | — | New“$ 156” | — | — | — | — |
| GAAP net income | — | — | New“$81 - 88” | — | — | — | — | — |
| GAAP net income | — | New“$327 to $366 million” | — | — | — | — | — | — |
| Implied Adjusted EBITDA growth | — | — | — | — | New“nearly 20%” | — | — | — |
| GAAP diluted loss per share | — | New“$0.05” | — | — | — | — | — | — |
| GAAP net loss | — | New“$1 million” | — | — | — | — | — | — |
| For FY2024 | ||||||||
| Revenue | New“approximately $12.225 billion” | — | — | — | — | — | — | — |
| Revenue | New“approximately $3.325 billion” | — | — | — | — | — | — | — |
| Adjusted diluted earnings per share | New“expected to be $3.75” | — | — | — | — | — | — | — |
| Adjusted diluted earnings per share | New“expected to be $1.29” | — | — | — | — | — | — | — |
| Adjusted EBITDA | New“$990 million” | — | — | — | — | — | — | — |
| Adjusted EBITDA | New“$259 million” | — | — | — | — | — | — | — |
| Adjusted EBITDA | New“expected to be $990 million, representing 8.1% of revenue” | — | — | — | — | — | — | — |
| Adjusted EBITDA | New“expected to approximate $259 million, representing 7.8% of revenue” | — | — | — | — | — | — | — |
| Adjusted net income | New“$327” | — | — | — | — | — | — | — |
| Adjusted net income | New“$106” | — | — | — | — | — | — | — |
| Adjusted net income attributable to MasTec, Inc. | New“$296” | — | — | — | — | — | — | — |
| Adjusted net income attributable to MasTec, Inc. | New“$102” | — | — | — | — | — | — | — |
| GAAP diluted earnings per share | New“expected to be $1.98” | — | — | — | — | — | — | — |
| GAAP diluted earnings per share | New“expected to be $0.86” | — | — | — | — | — | — | — |
| GAAP net income | New“$187 million” | — | — | — | — | — | — | — |
| GAAP net income | New“$72 million” | — | — | — | — | — | — | — |
| GAAP net income | New“expected to approximate $187 million, representing 1.5% of revenue” | — | — | — | — | — | — | — |
| GAAP net income | New“expected to approximate $72 million, representing 2.2% of revenue” | — | — | — | — | — | — | — |
| No period stated | ||||||||
| Repurchase program | — | — | New“$250 million” | — | — | — | — | — |
| Share repurchase authorization | — | — | New“$250 million” | — | — | — | — | — |