| Component: (Network and Table) | |
|---|---|
| Network | 040302 - Disclosure - Miscellaneous Financial Information (Crude Oil, Products And Merchandise) (Details) (http://www.exxonmobil.com/role/DisclosureMiscellaneousFinancialInformationCrudeOilProductsAndMerchandiseDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000034088 (http://www.sec.gov/CIK) |
| Miscellaneous Financial Information [Abstract] | Period [Axis] | |
|---|---|---|
2016-12-31 | 2015-12-31 | |
Miscellaneous Financial Information [Abstract] | ||
Crude oil | ||
Petroleum products | ||
Chemical products | ||
Gas / other | ||
Total | 10,877,000,000 | 12,037,000,000 |