| Component: (Network and Table) | |
|---|---|
| Network | 2421405 - Disclosure - Segment Information - Sales Revenues by Geographic Area Table (Detail) (http://www.anadarko.com/role/SegmentInformationSalesRevenuesByGeographicAreaTableDetail) |
| Table | Schedule of Revenues from External Customers and Long Lived Assets [Table] |
| Reporting Entity [Axis] | 0000773910 (http://www.sec.gov/CIK) |
| Revenue from External Customer [Line Items] | Period [Axis] | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
2013-01-01 - 2013-12-31 | 2012-01-01 - 2012-12-31 | 2011-01-01 - 2011-12-31 | ||||||||||
| Geographical [Axis] | Geographical [Axis] | Geographical [Axis] | ||||||||||
| UNITED STATES | ALGERIA | Other International [Member] | Geographical [Domain] | UNITED STATES | ALGERIA | Other International [Member] | Geographical [Domain] | UNITED STATES | ALGERIA | Other International [Member] | Geographical [Domain] | |
Sales revenues | 14,867,000,000 | 13,307,000,000 | 13,882,000,000 | |||||||||