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Business combination, number of cement plants acquired.

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Debt instrument maturity date year.

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Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

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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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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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

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

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

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Pending Business Combination and Related Financing - Additional Information (Detail) $ in Millions	Jul. 02, 2021 USD ($)	May 24, 2021 USD ($) Quarry Plant
Subsequent Event \| 0.650% Senior Notes, Due 2023
Business Acquisition [Line Items]
Aggregate principal amount of long term debt	$ 700
Interest rate on notes	0.65%
Maturity year	2023
Subsequent Event \| 0.650% Senior Notes, Due 2023 \| Prior to July 2, 2022 (2023 Par Call Date)
Business Acquisition [Line Items]
Debt instrument redemption price percentage	100.00%
Subsequent Event \| 0.650% Senior Notes, Due 2023 \| Prior to July 2, 2022 (2023 Par Call Date) \| Treasury Rate
Business Acquisition [Line Items]
Basis spread on variable rate	0.10%
Subsequent Event \| 0.650% Senior Notes, Due 2023 \| On or After 2023 Par Call Date and Prior to Maturity
Business Acquisition [Line Items]
Debt instrument redemption price percentage	100.00%
Subsequent Event \| 2.400% Senior Notes, Due 2031
Business Acquisition [Line Items]
Aggregate principal amount of long term debt	$ 900
Interest rate on notes	2.40%
Maturity year	2031
Debt instrument redemption price percentage	101.00%
Subsequent Event \| 2.400% Senior Notes, Due 2031 \| Prior to April 15, 2031 (2031 Par Call Date)
Business Acquisition [Line Items]
Debt instrument redemption price percentage	100.00%
Subsequent Event \| 2.400% Senior Notes, Due 2031 \| Prior to April 15, 2031 (2031 Par Call Date) \| Treasury Rate
Business Acquisition [Line Items]
Basis spread on variable rate	0.15%
Subsequent Event \| 2.400% Senior Notes, Due 2031 \| On or After 2031 Par Call Date and Prior to Maturity
Business Acquisition [Line Items]
Debt instrument redemption price percentage	100.00%
Subsequent Event \| 3.200% Senior Notes, Due 2051
Business Acquisition [Line Items]
Aggregate principal amount of long term debt	$ 900
Interest rate on notes	3.20%
Maturity year	2051
Debt instrument redemption price percentage	101.00%
Subsequent Event \| 3.200% Senior Notes, Due 2051 \| Prior to January 15, 2051 (2051 Par Call Date)
Business Acquisition [Line Items]
Debt instrument redemption price percentage	100.00%
Subsequent Event \| 3.200% Senior Notes, Due 2051 \| Prior to January 15, 2051 (2051 Par Call Date) \| Treasury Rate
Business Acquisition [Line Items]
Basis spread on variable rate	0.20%
Subsequent Event \| 3.200% Senior Notes, Due 2051 \| On or After 2051 Par Call Date and Prior to Maturity
Business Acquisition [Line Items]
Debt instrument redemption price percentage	100.00%
Lehigh West Region
Business Acquisition [Line Items]
Business combination, date of definitive agreement		May 24, 2021
Cash transferred in business combination		$ 2,300
Business combination, number of active aggregate quarries acquired \| Quarry		17
Business combination, number of cement plants acquired \| Plant		2