| Component: (Network and Table) | |
|---|---|
| Network | 40401 - Disclosure - INVENTORIES (Details) (http://www.oxy.com/role/DisclosureInventoriesDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000797468 (http://www.sec.gov/CIK) |
| INVENTORIES | Period [Axis] | |
|---|---|---|
2016-12-31 | 2015-12-31 | |
INVENTORIES | ||
Net carrying values of inventories valued under the LIFO method | ||
Raw materials | ||
Materials and supplies | ||
Finished goods | ||
Inventories, Gross | ||
Revaluation to LIFO | ( | ( |
Total | 866,000,000 | 986,000,000 |