Segment and Geographic Area Information - Reconciliation of Earnings (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Total Reportable Segment Operating Earnings	$ 8,362	$ 8,425	$ 5,357
Share-based compensation	(685)	(640)	(546)
Amortization of intangible assets	(2,013)	(2,047)	(2,132)
Earnings from Continuing Operations Before Taxes	8,306	8,211	4,968
Impairment of indefinite-lived intangible assets in-process research and development project	111
Operating Segments
Segment Reporting Information [Line Items]
Total Reportable Segment Operating Earnings	12,831	13,422	9,308
Operating Segments | Nutritional Products
Segment Reporting Information [Line Items]
Total Reportable Segment Operating Earnings	706	1,763	1,751
Segment Reconciling Items
Segment Reporting Information [Line Items]
Corporate functions and benefit plan costs	(509)	(801)	(518)
Net interest expense	(375)	(490)	(500)
Share-based compensation	(685)	(640)	(546)
Amortization of intangible assets	(2,013)	(2,047)	(2,132)
Other, net	(943)	(1,233)	(644)
Impairment of indefinite-lived intangible assets in-process research and development project	111
Charges for restructuring actions and other cost reduction initiatives	265	$ 375	$ 125
Segment Reconciling Items | Nutritional Products
Segment Reporting Information [Line Items]
Recall charges	$ 176