Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 114	$ (31)
Other comprehensive income (loss), net of tax:
Currency translation adjustment	(148)	98
Net change in fair value of effective portion of cash flow hedges, net of tax of $6 million and $(6) million for the three months ended March 31, $0 and March 31, $0, respectively	(37)	31
Actuarial losses and prior service costs for pension and other postretirement plans, net of tax of $1 million and $nil million for the three months ended March 31, $0 and March 31, $0, respectively	(3)	(3)
Other comprehensive (loss) income	(188)	126
Comprehensive (loss) income	(74)	95
Comprehensive (income) attributable to redeemable noncontrolling interests	(2)	(2)
Comprehensive loss (income) attributable to noncontrolling interests	11	(7)
Comprehensive (loss) income attributable to CRH plc	$ (65)	$ 86