Intangible Assets Excluding Goodwill [Line Items]

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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- Definition

Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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Goodwill and Other Intangibles - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Intangible Assets Excluding Goodwill [Line Items]
Other intangibles, net	$ 14,604	$ 14,196
Intangible asset impairment charge related to marketed product		705
IPR&D impairment charges		172	$ 152
Changes in estimated fair value	83	64
Amortization expense for intangible assets	1,900	2,000	3,100
Estimated aggregate amortization expense, 2021	1,500
Estimated aggregate amortization expense, 2022	1,500
Estimated aggregate amortization expense, 2023	1,400
Estimated aggregate amortization expense, 2024	1,300
Estimated aggregate amortization expense, 2025	1,200
Zerbaxa
Intangible Assets Excluding Goodwill [Line Items]
Intangible asset impairment charge related to marketed product	1,600
Inventory Write-down	120
Sivextro
Intangible Assets Excluding Goodwill [Line Items]
Intangible asset impairment charge related to marketed product		612
Animal Health
Intangible Assets Excluding Goodwill [Line Items]
Other intangibles, net	5,400
Adempas \| Other
Intangible Assets Excluding Goodwill [Line Items]
Intangible assets	849
IOmet Pharma Ltd
Intangible Assets Excluding Goodwill [Line Items]
IPR&D impairment charges		155
Changes in estimated fair value		(11)
SmartCells Program
Intangible Assets Excluding Goodwill [Line Items]
IPR&D impairment charges			139
Changes in estimated fair value			$ (60)
COVID-19
Intangible Assets Excluding Goodwill [Line Items]
IPR&D impairment charges	90
Changes in estimated fair value	(45)
Products and product rights
Intangible Assets Excluding Goodwill [Line Items]
Other intangibles, net	5,162	7,095
Products and product rights \| Zerbaxa
Intangible Assets Excluding Goodwill [Line Items]
Other intangibles, net	551
Products and product rights \| Sivextro
Intangible Assets Excluding Goodwill [Line Items]
Other intangibles, net	154
Products and product rights \| Implanon/Nexplanon
Intangible Assets Excluding Goodwill [Line Items]
Other intangibles, net	354
Products and product rights \| Dificid
Intangible Assets Excluding Goodwill [Line Items]
Other intangibles, net	228
Products and product rights \| Gardasil/Gardasil 9
Intangible Assets Excluding Goodwill [Line Items]
Other intangibles, net	276
Products and product rights \| Bridion
Intangible Assets Excluding Goodwill [Line Items]
Other intangibles, net	185
Products and product rights \| Simponi
Intangible Assets Excluding Goodwill [Line Items]
Other intangibles, net	132
Trade names
Intangible Assets Excluding Goodwill [Line Items]
Other intangibles, net	2,530	2,682
Licenses
Intangible Assets Excluding Goodwill [Line Items]
Other intangibles, net	2,790	$ 2,361
Licenses \| Lenvima
Intangible Assets Excluding Goodwill [Line Items]
Other intangibles, net	1,100
Licenses \| Lynparza
Intangible Assets Excluding Goodwill [Line Items]
Other intangibles, net	1,300
Antelliq \| Trade names
Intangible Assets Excluding Goodwill [Line Items]
Other intangibles, net	$ 2,500