Spin-Off of Organon & Co. (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Jun. 02, 2021	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales		$ 15,962	$ 14,959	$ 45,485	$ 45,453
Cost of sales		4,264	3,934	12,214	13,530
Other current assets		6,656		6,656		$ 7,169
Accrued and other current liabilities		14,840		14,840		14,159
Related Party
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other current assets		526		526		511
Accrued and other current liabilities		385		385		$ 345
Manufacturing and Supply Agreements | Related Party
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales		100	100	290	293
Cost of sales		$ 106	$ 104	$ 314	$ 312
Minimum | Transition Services Agreement | Related Party
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Period of continuing involvement after disposal	25 months
Minimum | Manufacturing and Supply Agreements | Related Party
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Period of continuing involvement after disposal	4 years
Maximum | Transition Services Agreement | Related Party
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Period of continuing involvement after disposal	35 months
Maximum | Manufacturing and Supply Agreements | Related Party
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Period of continuing involvement after disposal	10 years