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Acquisitions - Financial Information (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Business Combination and Asset Acquisition [Abstract] |  |  |
Revenue | $ 228 | $ 761 | $ 524
Net (loss) income attributable to CRH plc | $ (15) | $ (18) | $ 38

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