Acquisitions - Narrative (Details) $ in Millions		12 Months Ended
	Nov. 21, 2023 USD ($)	Dec. 31, 2023 USD ($) acquisition	Dec. 31, 2022 USD ($) acquisition	Dec. 31, 2021 USD ($) acquisition	Jul. 08, 2022
Business Acquisition [Line Items]
Acquisitions, net of cash acquired		$ 640	$ 3,253	$ 1,494
Goodwill		9,158	9,199	9,451
Goodwill expected tax deductible amount		$ 33	$ 1,289	$ 284
Intangible assets acquired, weighted average useful life		6 years	19 years	8 years
Martin Marietta, Inc.
Business Acquisition [Line Items]
Asset acquisition, consideration transferred	$ 2,100
Barrette
Business Acquisition [Line Items]
Acquisitions, net of cash acquired			$ 1,903
Intangible assets, net			809
Goodwill			$ 774
Business acquisition, percentage of voting interests acquired					100.00%
Other acquisitions
Business Acquisition [Line Items]
Number of acquisitions | acquisition		22	28	20
Acquisitions, net of cash acquired		$ 640	$ 1,350	$ 1,494
Intangible assets, net		86	178	131
Goodwill		$ 398	546	$ 679
Total
Business Acquisition [Line Items]
Acquisitions, net of cash acquired			3,253
Intangible assets, net			987
Goodwill			$ 1,320
Series of individually immaterial business acquisitions, continuing
Business Acquisition [Line Items]
Number of acquisitions | acquisition				19