ACQUISITIONS AND DIVESTITURES (Comprehensive Income Actual Results) (Details) - U.S. Concrete [Member] $ in Millions	12 Months Ended
Dec. 31, 2021 USD ($)
Significant Acquisitions And Disposals [Line Items]
Total revenues	$ 466.3
Vulcan [Member]
Significant Acquisitions And Disposals [Line Items]
Net loss attributable to Vulcan	$ (19.7)

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.

No definition available.

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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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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+ References

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