Acquisitions - Narrative (Details) $ in Millions		6 Months Ended
	Jul. 01, 2024 USD ($)	Jun. 30, 2024 USD ($) acquisition	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Business Acquisition [Line Items]
Total outflow in the Condensed Consolidated Statements of Cash Flows		$ 2,522	$ 198
Goodwill		10,251	$ 9,338	$ 9,158	$ 9,199
Business acquisition, goodwill, expected tax deductible amount		$ 1,125
Acquired finite-lived intangible assets, weighted average useful life		6 years
Hunter
Business Acquisition [Line Items]
Total consideration		$ 2,106
Total outflow in the Condensed Consolidated Statements of Cash Flows		2,106
Intangible assets, net		2
Goodwill		975
Other acquisitions
Business Acquisition [Line Items]
Total consideration		$ 462
Number of businesses acquired | acquisition		16
Total outflow in the Condensed Consolidated Statements of Cash Flows		$ 416
Intangible assets, net		43
Goodwill		196
Total
Business Acquisition [Line Items]
Total consideration		2,568
Total outflow in the Condensed Consolidated Statements of Cash Flows		2,522
Intangible assets, net		45
Goodwill		$ 1,171
Adbri Ltd | Subsequent Event
Business Acquisition [Line Items]
Total consideration	$ 800
Percentage of voting interests acquired	57.00%