Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 3,072	$ 3,889	$ 2,686
Other comprehensive income (loss), net of tax:
Currency translation adjustment	310	(665)	(367)
Net change in fair value of effective portion of cash flow hedges, net of tax of $1 million, $6 million, and $(6) million in 2023, 2022, and 2021, respectively	(28)	(37)	19
Actuarial (losses) gains and prior service (costs) credits for pension and other postretirement plans, net of tax of $17 million, $(66) million, and $(41) million in 2023, 2022, and 2021, respectively	(108)	294	232
Other comprehensive income (loss)	174	(408)	(116)
Comprehensive income	3,246	3,481	2,570
Comprehensive (income) attributable to redeemable noncontrolling interests	(28)	(27)	(22)
Comprehensive loss attributable to noncontrolling interests	131	46	1
Comprehensive income attributable to CRH plc	$ 3,349	$ 3,500	$ 2,549