Segment information - Summary of adjusted EBITDA (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Adjusted EBITDA	$ 2,255	$ 2,014	$ 2,700	$ 2,400
Depreciation, depletion and amortization	(424)	(401)	(821)	(785)
Interest income	36	36	79	76
Interest expense	(155)	(73)	(288)	(154)
Gain on divestitures and unrealized gains on investments (i)	23	0	183	0
Pension income excluding current service cost component (i)	1	2	2	2
Other interest, net (i)	(1)	0	(1)	0
Substantial acquisition-related costs	(2)	0	(22)	0
Income from operations before income tax expense and income from equity method investments	1,733	1,578	1,832	1,539
Europe Materials Solutions
Segment Reporting Information [Line Items]
Adjusted EBITDA	499	515	589	583
Depreciation, depletion and amortization	$ (109)	$ (111)	(212)	$ (212)
Disposal group, held-for-sale, not discontinued operations | Lime operations
Segment Reporting Information [Line Items]
Gain (loss) on disposal			$ 115