Acquisitions - Narrative (Details) $ in Millions		9 Months Ended
	Sep. 15, 2025 USD ($)	Sep. 30, 2025 USD ($) acquisition	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Business Acquisition [Line Items]
Number of businesses acquired | acquisition		22,000,000
Payments to acquire businesses		$ 3,121	$ 3,853
Goodwill		12,676	10,906	$ 11,061	$ 9,158
Business acquisition, goodwill, expected tax deductible amount		$ 1,259
Acquired finite-lived intangible assets, weighted average useful life		19 years
Business combination, pro forma information, revenue of acquiree since acquisition date, actual		$ 322	733
Loss of acquiree since acquisition date, actual		13	$ 3
Eco Material
Business Acquisition [Line Items]
Business combination, consideration transferred	$ 2,089	2,089
Payments to acquire businesses		2,066
Intangible assets, net		921
Goodwill		791
Other acquisitions
Business Acquisition [Line Items]
Business combination, consideration transferred		1,086
Payments to acquire businesses		1,055
Intangible assets, net		64
Goodwill		608
2025 acquisitions
Business Acquisition [Line Items]
Business combination, consideration transferred		3,175
Payments to acquire businesses		3,121
Intangible assets, net		985
Goodwill		$ 1,399