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Goodwill and Other Intangible Assets, Net - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Goodwill [Line Items]
Goodwill	$ 9,349		$ 9,349		$ 10,635
Impairment of goodwill	0	$ 0	64	$ 0
Amortization of acquisition-related intangibles	146	$ 170	467	$ 513
Health & Biosciences
Goodwill [Line Items]
Goodwill	4,411		4,411		4,391
Goodwill, accumulated impairment loss	2,250		2,250		2,250
Goodwill, accumulated impairment loss	$ 2,250		$ 2,250		$ 2,250

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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