Segment and Geographic Area Information - Reconciliation of Earnings (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total Reportable Segment Operating Earnings	$ 6,478	$ 8,362	$ 8,425
Share-based compensation	(644)	(685)	(640)
Amortization of intangible assets	(1,966)	(2,013)	(2,047)
Earnings before Taxes	6,664	8,306	8,211
Operating Segments
Segment Reporting Information [Line Items]
Total Reportable Segment Operating Earnings	10,278	12,831	13,422
Operating Segments | Nutritional Products
Segment Reporting Information [Line Items]
Total Reportable Segment Operating Earnings	1,333	706	1,763
Segment Reconciling Items
Segment Reporting Information [Line Items]
Corporate functions and benefit plan costs	(308)	(509)	(801)
Net interest expense	(252)	(375)	(490)
Share-based compensation	(644)	(685)	(640)
Amortization of intangible assets	(1,966)	(2,013)	(2,047)
Other, net	(444)	(943)	(1,233)
Charges and expenses for restructuring actions and other cost reduction initiatives	122	265	$ 375
Impairment of intangible assets	$ 100	111
Segment Reconciling Items | Nutritional Products
Segment Reporting Information [Line Items]
Voluntary recall charges		$ 176