Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Total revenues	$ 10,206	$ 9,654	$ 16,962	$ 16,187
Americas Materials Solutions
Disaggregation of Revenue [Line Items]
Total revenues	4,509	4,406	6,752	6,608
Americas Building Solutions
Disaggregation of Revenue [Line Items]
Total revenues	2,159	2,116	3,841	3,809
International Solutions
Disaggregation of Revenue [Line Items]
Total revenues	3,538	3,132	6,369	5,770
Essential Materials
Disaggregation of Revenue [Line Items]
Total revenues	2,741	2,519	4,679	4,412
Essential Materials \| Americas Materials Solutions
Disaggregation of Revenue [Line Items]
Total revenues	1,365	1,312	2,241	2,215
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	1,376	1,207	2,438	2,197
Road Solutions
Disaggregation of Revenue [Line Items]
Total revenues	4,536	4,291	7,038	6,613
Road Solutions \| Transferred over Time
Disaggregation of Revenue [Line Items]
Total revenues	2,157	2,189	3,190	3,199
Road Solutions \| Americas Materials Solutions
Disaggregation of Revenue [Line Items]
Total revenues	3,144	3,094	4,511	4,393
Road Solutions \| Americas Materials Solutions \| Transferred over Time
Disaggregation of Revenue [Line Items]
Total revenues	1,709	1,736	2,347	2,332
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	1,392	1,197	2,527	2,220
Road Solutions \| International Solutions \| Transferred over Time
Disaggregation of Revenue [Line Items]
Total revenues	448	453	843	867
Building & Infrastructure Solutions
Disaggregation of Revenue [Line Items]
Total revenues	1,282	1,208	2,356	2,249
Building & Infrastructure Solutions \| Transferred over Time
Disaggregation of Revenue [Line Items]
Total revenues	130	157	241	312
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	697	680	1,265	1,228
Building & Infrastructure Solutions \| Americas Building Solutions \| Transferred over Time
Disaggregation of Revenue [Line Items]
Total revenues	14	26	28	49
Building & Infrastructure Solutions \| International Solutions
Disaggregation of Revenue [Line Items]
Total revenues	585	528	1,091	1,021
Building & Infrastructure Solutions \| International Solutions \| Transferred over Time
Disaggregation of Revenue [Line Items]
Total revenues	116	131	213	263
Outdoor Living Solutions
Disaggregation of Revenue [Line Items]
Total revenues	1,647	1,636	2,889	2,913
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	1,462	1,436	2,576	2,581
Outdoor Living Solutions \| International Solutions
Disaggregation of Revenue [Line Items]
Total revenues	$ 185	$ 200	$ 313	$ 332