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Legal Proceedings (Details) $ in Millions		1 Months Ended					6 Months Ended
	Jan. 20, 2020 USD ($)	Jun. 30, 2021 USD ($)	Jun. 28, 2020 USD ($)	Jan. 31, 2020 USD ($)	Oct. 31, 2019 USD ($)	Jul. 31, 2018 USD ($)	Jul. 04, 2021 USD ($) patient claimant	May 31, 2021 claimant	Oct. 31, 2020 USD ($)
ASR
Legal Proceeding (Textuals)
Product liability contingency, number of claimants							300
Pinnacle Acetabular Cup System
Legal Proceeding (Textuals)
Product liability contingency, number of claimants							6,300
Pelvic Meshes
Legal Proceeding (Textuals)
Product liability contingency, number of claimants							11,600
Risperdal
Legal Proceeding (Textuals)
Product liability contingency, number of claimants							9,200
XARELTO®
Legal Proceeding (Textuals)
Product liability contingency, number of claimants							7,800
Talc
Legal Proceeding (Textuals)
Product liability contingency, number of claimants							34,600
Invokana
Legal Proceeding (Textuals)
Product liability contingency, number of claimants							200
Physiomesh
Legal Proceeding (Textuals)
Product liability contingency, number of claimants							4,600
Opioid
Legal Proceeding (Textuals)
Product liability contingency, number of claimants							3,200
settled Litigation | Opioid
Legal Proceeding (Textuals)
Damages awarded | $		$ 5,000.0
Damages awarded, including settlement for related issues, reimbursement for legal fees, and removal from related claims | $		263.0
Judicial Ruling
Legal Proceeding (Textuals)
Damages awarded | $				$ 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
Pending Litigation | Physiomesh
Legal Proceeding (Textuals)
Product liability contingency, number of claimants								3,600
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
Payments for legal settlements | $		$ 2,500.0
Oklahoma Attorney General vs. Johnson & Johnson and JPI | settled Litigation
Legal Proceeding (Textuals)
Damages awarded | $							$ 465.0
Surgical Mesh Products Marketing | Judicial Ruling
Legal Proceeding (Textuals)
Damages awarded | $	$ 344.0

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