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Legal Proceedings (Details) $ in Millions		1 Months Ended				3 Months Ended
	Jan. 20, 2020 USD ($)	Jun. 28, 2020 USD ($)	Jan. 31, 2020 USD ($)	Oct. 31, 2019 USD ($)	Jul. 31, 2018 USD ($)	Apr. 04, 2021 USD ($) claimant patient	Oct. 31, 2020 USD ($)
ASR
Legal Proceeding (Textuals)
Product liability contingency, number of claimants						300
Pinnacle Acetabular Cup System
Legal Proceeding (Textuals)
Product liability contingency, number of claimants						7,000
Pelvic Meshes
Legal Proceeding (Textuals)
Product liability contingency, number of claimants						12,200
Risperdal
Legal Proceeding (Textuals)
Product liability contingency, number of claimants						9,200
XARELTO®
Legal Proceeding (Textuals)
Product liability contingency, number of claimants						10,200
Talc
Legal Proceeding (Textuals)
Product liability contingency, number of claimants						28,900
Invokana
Legal Proceeding (Textuals)
Product liability contingency, number of claimants						300
Physiomesh
Legal Proceeding (Textuals)
Product liability contingency, number of claimants						4,400
Opioid
Legal Proceeding (Textuals)
Product liability contingency, number of claimants						3,200
Judicial Ruling
Legal Proceeding (Textuals)
Damages awarded | $	$ 344.0		$ 6.8	$ 8,000.0
Pending Litigation
Legal Proceeding (Textuals)
Loss contingency, estimate of possible loss | $				$ 4,000.0			$ 5,000.0
Loss contingency, estimate of additional possible loss | $							$ 1,000.0
DePuy ASR U.S. | settled Litigation
Legal Proceeding (Textuals)
Number of patients in settlement | patient						10,000
Baby Powder | Judicial Ruling | Damages from Product Defects
Legal Proceeding (Textuals)
Litigation contingency | $		$ 2,100.0			$ 4,700.0	$ 2,500.0
Oklahoma Attorney General vs. Johnson & Johnson and JPI | settled Litigation
Legal Proceeding (Textuals)
Damages awarded | $						$ 465.0

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