Supplemental Balance Sheet Information (Tables)

3 Months Ended

Mar. 31, 2021

Supplemental Balance Sheet Information [Abstract]

Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Table Text Block]

	As of
(in millions)	March 31, 2021		December 31, 2020
Cash and cash equivalents	$	2,016	$	1,734
Restricted cash and restricted cash equivalents in Other current assets	184		208
Restricted cash equivalents in Other long-term assets	53		52
	$	2,253	$	1,995

Trade accounts receivable, net [Table Text Block]

	As of
(in millions)	March 31, 2021		December 31, 2020
Trade accounts receivable	$	1,733	$	1,637
Allowance for credit losses	(101)		(105)
	$	1,631	$	1,531

	Three Months Ended March 31,
(in millions)	2021		2020
Beginning balance	$	105	$	74
Cumulative effect adjustment(1)	n/a		10
Credit loss expense	2		9
Write-offs	(6)		(6)
Ending balance	$	101	$	87

(1)    Effective January 1, 2020, we adopted FASB ASC Topic 326, Financial Instruments - Credit Losses using the modified retrospective method, which requires that we recognize credit loss reserves when financial assets are established if credit losses are expected over the asset’s contractual life. Refer to Note R – New Accounting Pronouncements to our audited financial statements contained in Item 8 of our most recent Annual Report on Form 10-K for additional information.

Inventory Disclosure [Table Text Block]

	As of
(in millions)	March 31, 2021		December 31, 2020
Finished goods	$	921	$	893
Work-in-process	120		109
Raw materials	366		349
	$	1,407	$	1,351

Schedule of Other Current Assets [Table Text Block]

	As of
(in millions)	March 31, 2021		December 31, 2020
Restricted cash and restricted cash equivalents	$	184	$	208
Derivative assets	190		133
Licensing arrangements	146		148
Other	335		263
	$	855	$	751

Property, plant and equipment, net [Table Text Block]

	As of
(in millions)	March 31, 2021		December 31, 2020
Land	$	104	$	104
Buildings and improvements	1,298		1,292
Equipment, furniture and fixtures	3,462		3,465
Capital in progress	418		446
	5,282		5,308
Less: accumulated depreciation	3,229		3,224
	$	2,053	$	2,084

Schedule of Other Assets [Table Text Block]

	As of
(in millions)	March 31, 2021		December 31, 2020
Restricted cash equivalents	$	53	$	52
Operating lease right-of-use assets	407		458
Derivative assets	209		109
Investments	643		918
Licensing arrangements	191		218
Other	211		166
	$	1,714	$	1,921

Schedule of Accrued Liabilities [Table Text Block]

	As of
(in millions)	March 31, 2021		December 31, 2020
Legal reserves	$	415	$	505
Payroll and related liabilities	710		681
Rebates	335		331
Contingent consideration liability	23		26
Other	578		656
	$	2,060	$	2,197

Other Current Liabilities [Table Text Block]

	As of
(in millions)	March 31, 2021		December 31, 2020
Deferred revenue	$	139	$	138
Licensing arrangements	148		153
Taxes payable	151		158
Liabilities held for sale	—		200
Other	268		307
	$	705	$	958

Other long-term liabilities [Table Text Block]

	As of
(in millions)	March 31, 2021		December 31, 2020
Accrued income taxes	$	557	$	547
Legal reserves	41		64
Contingent consideration liability	375		171
Licensing arrangements	208		253
Operating lease liabilities	353		401
Deferred revenue	264		257
Other	572		615
	$	2,370	$	2,309