| Component: (Network and Table) | |
|---|---|
| Network | 2403402 - Disclosure - Inventories (Details) (http://www.jnj.com/role/InventoriesDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000200406 (http://www.sec.gov/CIK) |
| Inventory Disclosure [Abstract] | Period [Axis] | |
|---|---|---|
2017-01-01 | 2016-01-03 | |
Inventory Disclosure [Abstract] | ||
Summary of Inventories | ||
Raw materials and supplies | ||
Goods in process | ||
Finished goods | ||
Total inventories | 8,144,000,000 | 8,053,000,000 |