Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other Current Assets [Abstract]
Restricted cash and restricted cash equivalents included in Other current assets	$ 188	$ 208	$ 346
Derivative Asset, Current	226	133
Licensing arrangements	132	148
Other Assets, Miscellaneous, Current	254	263
Other Assets, Current	799	751
Trade accounts receivable, net
Trade accounts receivable	1,886	1,637
Allowance for credit losses	(108)	(105)
Trade accounts receivable, net	1,778	1,531
Allowance for doubtful accounts
Accounts Receivable, Allowance for Credit Loss (beginning balance)	105	74	68
Cumulative effect adjustment for adoption of ASC 2016-13		10
Net (credits) charges to expenses	28	49	23
Utilization of allowances	(25)	(27)	(17)
Accounts Receivable, Allowance for Credit Loss (ending balance)	108	105	74
Inventory, Net [Abstract]
Inventory, Finished Goods, Net of Reserves	1,029	893
Inventory, Work in Process, Net of Reserves	128	109
Inventory, Raw Materials, Net of Reserves	452	349
Inventories	1,610	1,351
Property, plant and equipment, net
Land	109	104
Buildings and improvements	1,335	1,292
Equipment, furniture and fixtures	3,475	3,465
Capital in progress	605	446
Property, plant and equipment	5,525	5,308
Less: accumulated depreciation	3,273	3,224
Property, plant and equipment, net	$ 2,252	$ 2,084	2,079
Supplemental Balance Sheet Information (Textuals)
Percent of finished goods at consignment	30.00%	33.00%
Depreciation	$ 352	$ 333	311
Other Assets, Noncurrent [Abstract]
Restricted Cash Equivalents included in Other long-term assets	55	52	$ 43
Operating Lease, Right-of-Use Asset	435	458
Derivative Asset	169	109
Investments	412	918
Licensing arrangements, asset	114	218
Other, Other Long-term Assets	225	166
Other long-term assets (total)	1,410	1,921
Accrued expenses
Legal reserves	264	505
Payroll and related liabilities	848	681
Accrued Rebates, Current	350	331
Contingent consideration	289	26
Other	686	656
Accrued liabilities, current	2,436	2,197
Other Liabilities, Current [Abstract]
Deferred Revenue, Current	208	138
Accrued Royalties, Current	138	153
Taxes Payable, Current	209	158
Disposal Group, Including Discontinued Operation, Liabilities, Current	0	200
Other Sundry Liabilities, Current	228	307
Other current liabilities	783	958
Other long-term liabilities
Operating Lease, Liability, Noncurrent	$ 389	$ 401
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other long-term liabilities	Other long-term liabilities
Other long-term liabilities	$ 2,220	$ 2,309
Operating Lease, Liability, Noncurrent	$ 389	$ 401
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other long-term liabilities	Other long-term liabilities
Other Noncurrent Liabilities [Member]
Other long-term liabilities
Accrued Income Taxes, Noncurrent	$ 442	$ 547
Estimated Litigation Liability, Noncurrent	284	64
Business Combination, Contingent Consideration, Liability, Noncurrent	197	171
Licensing arrangements, liability	143	253
Operating Lease, Liability, Noncurrent	389	401
Deferred Revenue	276	257
Other Accrued Liabilities, Noncurrent	489	615
Accrued Income Taxes, Noncurrent	442	547
Estimated Litigation Liability, Noncurrent	284	64
Business Combination, Contingent Consideration, Liability, Noncurrent	197	171
Licensing arrangements, liability	143	253
Operating Lease, Liability, Noncurrent	389	401
Deferred Revenue	276	257
Other Accrued Liabilities, Noncurrent	$ 489	$ 615