Segment information - Summary of adjusted EBITDA (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment information - Consolidated Balance Sheet
Adjusted EBITDA	$ 7,681	$ 6,930	$ 6,176
Depreciation, depletion and amortization	(2,156)	(1,798)	(1,633)
Loss on impairments	(40)	(161)	(357)
Interest income	146	143	206
Interest expense	(810)	(612)	(376)
Gain on divestitures and investments	1	250	0
Pension income excluding current service cost component	21	7	3
Other interest, net	7	1	(5)
Substantial acquisition-related costs	(45)	(46)	0
Income before income tax expense and income from equity method investments	$ 4,805	$ 4,714	$ 4,014
Defined benefit plan, net periodic benefit Cost (credit) excluding service cost, statement of income or comprehensive income [Extensible Enumeration]	Other nonoperating income (expense), net	Other nonoperating income (expense), net	Other nonoperating income (expense), net
Americas Materials Solutions
Segment information - Consolidated Balance Sheet
Adjusted EBITDA	$ 4,002	$ 3,745	$ 3,059
Depreciation, depletion and amortization	(983)	(846)	(781)
Loss on impairments			(62)
Gain on divestitures and investments	19	0	0
Americas Building Solutions
Segment information - Consolidated Balance Sheet
Adjusted EBITDA	1,474	1,389	1,442
Depreciation, depletion and amortization	(387)	(337)	(299)
Gain on divestitures and investments	0	1	0
International Solutions
Segment information - Consolidated Balance Sheet
Adjusted EBITDA	2,205	1,796	1,675
Depreciation, depletion and amortization	(786)	(615)	(553)
Loss on impairments	(40)	(161)	(295)
Gain on divestitures and investments	$ (18)	$ 249	$ 0