Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (98)	$ 114
Other comprehensive income (loss), net of tax:
Currency translation adjustment	238	(148)
Net change in fair value of effective portion of cash flow hedges, net of tax of $2 million and $6 million for the three months ended March 31, 2025 and March 31, 2024, respectively	(23)	(37)
Actuarial losses and prior service costs for pension and other postretirement plans, net of tax of $1 million and $1 million for the three months ended March 31, 2025 and March 31, 2024, respectively	(7)	(3)
Other comprehensive income (loss)	208	(188)
Comprehensive income (loss)	110	(74)
Comprehensive (income) attributable to redeemable noncontrolling interests	0	(2)
Comprehensive (income) loss attributable to noncontrolling interests	(5)	11
Comprehensive income (loss) attributable to CRH	$ 105	$ (65)