Segment Information - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue
Total net revenues	$ 12,310	$ 12,225
Collaborative Arrangement, Revenue Not from Contract with Customer, Statement of Income or Comprehensive Income [Extensible Enumeration]	Total net revenues	Total net revenues
All other
Disaggregation of Revenue
Net revenues	$ 744	$ 691
Immunology \| Humira
Disaggregation of Revenue
Net revenues	2,270	3,541
Immunology \| Humira \| United States
Disaggregation of Revenue
Net revenues	1,771	2,948
Immunology \| Humira \| International
Disaggregation of Revenue
Net revenues	499	593
Immunology \| Skyrizi
Disaggregation of Revenue
Net revenues	2,008	1,360
Immunology \| Skyrizi \| United States
Disaggregation of Revenue
Net revenues	1,656	1,139
Immunology \| Skyrizi \| International
Disaggregation of Revenue
Net revenues	352	221
Immunology \| Rinvoq
Disaggregation of Revenue
Net revenues	1,093	686
Immunology \| Rinvoq \| United States
Disaggregation of Revenue
Net revenues	725	449
Immunology \| Rinvoq \| International
Disaggregation of Revenue
Net revenues	368	237
Hematologic Oncology \| Imbruvica
Disaggregation of Revenue
Net revenues	838	878
Hematologic Oncology \| Imbruvica \| United States
Disaggregation of Revenue
Net revenues	610	638
Hematologic Oncology \| Imbruvica \| International
Disaggregation of Revenue
Collaboration revenues	228	240
Hematologic Oncology \| Venclexta
Disaggregation of Revenue
Net revenues	614	538
Hematologic Oncology \| Venclexta \| United States
Disaggregation of Revenue
Net revenues	281	265
Hematologic Oncology \| Venclexta \| International
Disaggregation of Revenue
Net revenues	333	273
Hematologic Oncology \| Epkinly
Disaggregation of Revenue
Net revenues	27	0
Collaboration revenues	22	0
Hematologic Oncology \| Epkinly \| International
Disaggregation of Revenue
Net revenues	5	0
Hematologic Oncology \| Elahere \| United States
Disaggregation of Revenue
Net revenues	64	0
Aesthetics \| Botox Cosmetic
Disaggregation of Revenue
Net revenues	633	659
Aesthetics \| Botox Cosmetic \| United States
Disaggregation of Revenue
Net revenues	389	409
Aesthetics \| Botox Cosmetic \| International
Disaggregation of Revenue
Net revenues	244	250
Aesthetics \| Juvederm Collection
Disaggregation of Revenue
Net revenues	297	355
Aesthetics \| Juvederm Collection \| United States
Disaggregation of Revenue
Net revenues	106	122
Aesthetics \| Juvederm Collection \| International
Disaggregation of Revenue
Net revenues	191	233
Aesthetics \| Other Aesthetics
Disaggregation of Revenue
Net revenues	319	286
Aesthetics \| Other Aesthetics \| United States
Disaggregation of Revenue
Net revenues	281	246
Aesthetics \| Other Aesthetics \| International
Disaggregation of Revenue
Net revenues	38	40
Neuroscience \| Botox Therapeutic
Disaggregation of Revenue
Net revenues	748	719
Neuroscience \| Botox Therapeutic \| United States
Disaggregation of Revenue
Net revenues	611	587
Neuroscience \| Botox Therapeutic \| International
Disaggregation of Revenue
Net revenues	137	132
Neuroscience \| Vraylar
Disaggregation of Revenue
Net revenues	694	561
Neuroscience \| Vraylar \| United States
Disaggregation of Revenue
Net revenues	692	560
Neuroscience \| Vraylar \| International
Disaggregation of Revenue
Net revenues	2	1
Neuroscience \| Duodopa
Disaggregation of Revenue
Net revenues	115	118
Neuroscience \| Duodopa \| United States
Disaggregation of Revenue
Net revenues	25	25
Neuroscience \| Duodopa \| International
Disaggregation of Revenue
Net revenues	90	93
Neuroscience \| Ubrelvy
Disaggregation of Revenue
Net revenues	203	152
Neuroscience \| Ubrelvy \| United States
Disaggregation of Revenue
Net revenues	197	150
Neuroscience \| Ubrelvy \| International
Disaggregation of Revenue
Net revenues	6	2
Neuroscience \| Qulipta
Disaggregation of Revenue
Net revenues	131	66
Neuroscience \| Qulipta \| United States
Disaggregation of Revenue
Net revenues	128	66
Neuroscience \| Qulipta \| International
Disaggregation of Revenue
Net revenues	3	0
Neuroscience \| Other Neuroscience
Disaggregation of Revenue
Net revenues	74	79
Neuroscience \| Other Neuroscience \| United States
Disaggregation of Revenue
Net revenues	61	75
Neuroscience \| Other Neuroscience \| International
Disaggregation of Revenue
Net revenues	13	4
Eye Care \| Ozurdex
Disaggregation of Revenue
Net revenues	131	115
Eye Care \| Ozurdex \| United States
Disaggregation of Revenue
Net revenues	34	39
Eye Care \| Ozurdex \| International
Disaggregation of Revenue
Net revenues	97	76
Eye Care \| Lumigan/Ganfort
Disaggregation of Revenue
Net revenues	91	130
Eye Care \| Lumigan/Ganfort \| United States
Disaggregation of Revenue
Net revenues	29	63
Eye Care \| Lumigan/Ganfort \| International
Disaggregation of Revenue
Net revenues	62	67
Eye Care \| Alphagan/Combigan
Disaggregation of Revenue
Net revenues	59	71
Eye Care \| Alphagan/Combigan \| United States
Disaggregation of Revenue
Net revenues	15	28
Eye Care \| Alphagan/Combigan \| International
Disaggregation of Revenue
Net revenues	44	43
Eye Care \| Restasis
Disaggregation of Revenue
Net revenues	57	92
Eye Care \| Restasis \| United States
Disaggregation of Revenue
Net revenues	44	79
Eye Care \| Restasis \| International
Disaggregation of Revenue
Net revenues	13	13
Eye Care \| Other Eye Care
Disaggregation of Revenue
Net revenues	200	200
Eye Care \| Other Eye Care \| United States
Disaggregation of Revenue
Net revenues	105	110
Eye Care \| Other Eye Care \| International
Disaggregation of Revenue
Net revenues	95	90
Other Key Products \| Mavyret
Disaggregation of Revenue
Net revenues	349	364
Other Key Products \| Mavyret \| United States
Disaggregation of Revenue
Net revenues	144	171
Other Key Products \| Mavyret \| International
Disaggregation of Revenue
Net revenues	205	193
Other Key Products \| Creon \| United States
Disaggregation of Revenue
Net revenues	285	305
Other Key Products \| Linzess/Constella
Disaggregation of Revenue
Net revenues	266	259
Other Key Products \| Linzess/Constella \| United States
Disaggregation of Revenue
Net revenues	257	251
Other Key Products \| Linzess/Constella \| International
Disaggregation of Revenue
Net revenues	$ 9	$ 8

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