Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Total revenues	$ 11,069	$ 10,515	$ 28,031	$ 26,702
Americas Materials Solutions
Disaggregation of Revenue [Line Items]
Total revenues	5,637	5,299	12,389	11,907
Americas Building Solutions
Disaggregation of Revenue [Line Items]
Total revenues	1,797	1,757	5,638	5,566
International Solutions
Disaggregation of Revenue [Line Items]
Total revenues	3,635	3,459	10,004	9,229
Essential Materials
Disaggregation of Revenue [Line Items]
Total revenues	2,977	2,753	7,656	7,165
Essential Materials | Americas Materials Solutions
Disaggregation of Revenue [Line Items]
Total revenues	1,519	1,390	3,760	3,605
Essential Materials | Americas Building Solutions
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Essential Materials | International Solutions
Disaggregation of Revenue [Line Items]
Total revenues	1,458	1,363	3,896	3,560
Road Solutions
Disaggregation of Revenue [Line Items]
Total revenues	5,574	5,341	12,612	11,954
Road Solutions | Transferred over Time
Disaggregation of Revenue [Line Items]
Total revenues	2,879	2,905	6,069	6,104
Road Solutions | Americas Materials Solutions
Disaggregation of Revenue [Line Items]
Total revenues	4,118	3,909	8,629	8,302
Road Solutions | Americas Materials Solutions | Transferred over Time
Disaggregation of Revenue [Line Items]
Total revenues	2,414	2,333	4,761	4,665
Road Solutions | Americas Building Solutions
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Road Solutions | International Solutions
Disaggregation of Revenue [Line Items]
Total revenues	1,456	1,432	3,983	3,652
Road Solutions | International Solutions | Transferred over Time
Disaggregation of Revenue [Line Items]
Total revenues	465	572	1,308	1,439
Building & Infrastructure Solutions
Disaggregation of Revenue [Line Items]
Total revenues	1,272	1,193	3,628	3,442
Building & Infrastructure Solutions | Transferred over Time
Disaggregation of Revenue [Line Items]
Total revenues	103	128	344	440
Building & Infrastructure Solutions | Americas Materials Solutions
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Building & Infrastructure Solutions | Americas Building Solutions
Disaggregation of Revenue [Line Items]
Total revenues	725	705	1,990	1,933
Building & Infrastructure Solutions | Americas Building Solutions | Transferred over Time
Disaggregation of Revenue [Line Items]
Total revenues	12	17	40	66
Building & Infrastructure Solutions | International Solutions
Disaggregation of Revenue [Line Items]
Total revenues	547	488	1,638	1,509
Building & Infrastructure Solutions | International Solutions | Transferred over Time
Disaggregation of Revenue [Line Items]
Total revenues	91	111	304	374
Outdoor Living Solutions
Disaggregation of Revenue [Line Items]
Total revenues	1,246	1,228	4,135	4,141
Outdoor Living Solutions | Americas Materials Solutions
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Outdoor Living Solutions | Americas Building Solutions
Disaggregation of Revenue [Line Items]
Total revenues	1,072	1,052	3,648	3,633
Outdoor Living Solutions | International Solutions
Disaggregation of Revenue [Line Items]
Total revenues	$ 174	$ 176	$ 487	$ 508