Dispositions (Narrative) (Details) - Discontinued Operations [Member] - Joint Operating With Republic Of Angola [Member] - USD ($) $ in Millions |
1 Months Ended | 3 Months Ended | |
---|---|---|---|
Nov. 30, 2006 |
Mar. 31, 2019 |
Dec. 31, 2018 |
|
Business Acquisition [Line Items] | |||
Joint operation agreement related to third party in working interest percentage | 40.00% | ||
Additional joint operation agreement related to third party in working interest percentage | 10.00% | ||
Stipulated payment for each exploration well, under PSA terms | $ 10.0 | ||
Drilling commitment, net | $ 5.0 | ||
Liability for the potential payment | $ 4.5 | $ 15.0 | |
Write off of receivable | $ 3.3 |
X | ||||||||||
- Definition Joint operation agreement related to third party in working interest percentage. No definition available.
|
X | ||||||||||
- Definition Additional joint operation agreement related to third party in working interest percentage. No definition available.
|
X | ||||||||||
- Definition Drilling Commitment, Net No definition available.
|
X | ||||||||||
- Definition Stipulated Payment For Each Exploration Well, Under Terms No definition available.
|
X | ||||||||||
- Definition Amount of direct write-downs of accounts receivable charged against the allowance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
X | ||||||||||
- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|