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Goodwill - Summary of Changes in the Carrying Amount of Goodwill by Segment (Detail)
$ in Millions
 3 Months Ended
Mar. 31, 2023
USD ($)
Goodwill [Line Items]  
Beginning balance $ 17,633 [1]
Translation differences 166
Ending balance 17,799 [1]
North America [Member]  
Goodwill [Line Items]  
Beginning balance 6,450 [1]
Translation differences 1
Ending balance 6,451 [1]
Europe [Member]  
Goodwill [Line Items]  
Beginning balance 8,302 [1]
Translation differences 82
Ending balance 8,384 [1]
International Markets [Member]  
Goodwill [Line Items]  
Beginning balance 1,339 [1]
Translation differences 61
Ending balance 1,400 [1]
Other [Member] | Medis Reporting Unit [Member]  
Goodwill [Line Items]  
Beginning balance 249 [1]
Translation differences 10
Ending balance 259 [1]
Other [Member] | Tevas API Reporting Unit [Member]  
Goodwill [Line Items]  
Beginning balance 1,293 [1]
Translation differences 12
Ending balance $ 1,305 [1]
[1] Accumulated goodwill impairment as of March 31, 2023 and December 31, 2022 was approximately $27.6 billion.