Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Total revenues	$ 6,533	$ 6,427
Total cost of revenues	(4,726)	(4,808)
Gross profit	1,807	1,619
Selling, general and administrative expenses	(1,787)	(1,622)
Gain on disposal of long-lived assets	8	5
Operating income	28	2
Interest income	43	40
Interest expense	(133)	(81)
Other nonoperating income, net	161	0
Income (loss) from operations before income tax expense and income from equity method investments	99	(39)
Income tax benefit	19	14
Loss from equity method investments	(4)	(6)
Net income (loss)	114	(31)
Net (income) attributable to redeemable noncontrolling interests	(2)	(2)
Net loss attributable to noncontrolling interests	4	5
Net income (loss) attributable to CRH plc	$ 116	$ (28)
Earnings (loss) per share attributable to CRH plc
Earning/(loss) per share attributable to CRH plc, basic (in USD per share)	$ 0.16	$ (0.05)
Earnings/(loss) per share attributable to CRH plc, diluted (in USD per share)	$ 0.16	$ (0.05)
Weighted average common shares outstanding
Weighted average common shares outstanding, basic (in shares)	687.8	742.9
Weighted average common shares outstanding, diluted (in shares)	693.4	742.9
Product
Total revenues	$ 5,368	$ 5,338
Total cost of revenues	(3,577)	(3,744)
Service
Total revenues	1,165	1,089
Total cost of revenues	$ (1,149)	$ (1,064)