Legal Proceedings (Details) $ in Billions	6 Months Ended
	Jul. 01, 2018 USD ($) patient claimant
ASR
Legal Proceeding (Textuals)
Product Liability Contingency Number Of Claimants	2,000
Pinnacle Acetabular Cup System
Legal Proceeding (Textuals)
Product Liability Contingency Number Of Claimants	10,300
Pelvic Meshes
Legal Proceeding (Textuals)
Product Liability Contingency Number Of Claimants	54,000
Risperdal
Legal Proceeding (Textuals)
Product Liability Contingency Number Of Claimants	13,500
XARELTO®
Legal Proceeding (Textuals)
Product Liability Contingency Number Of Claimants	24,800
Talc
Legal Proceeding (Textuals)
Product Liability Contingency Number Of Claimants	10,600
Invokana
Legal Proceeding (Textuals)
Product Liability Contingency Number Of Claimants	1,100
DePuy ASR U.S. | settled litigation
Legal Proceeding (Textuals)
Number of patients in settlement | patient	10,000
Damages from Product Defects | Baby Powder | Judicial Ruling
Legal Proceeding (Textuals)
Litigation contingency | $	$ 4.7