XML 35 R23.htm IDEA: XBRL DOCUMENT
v3.20.2

Capitalized Exploratory Well Costs | 9 Months Ended
--- | ---
Sep. 30, 2020
Extractive Industries [Abstract] |
Capitalized Exploratory Well Costs | Capitalized Exploratory Well Costs A summary of the changes in our capitalized well costs for the Current Period is detailed below.
|  | Nine Months Ended September 30, 2020
|  | ($ in millions)
Balance as of January 1 |  | $ | 7 |
Charges to exploration expense |  | (7 | )
Balance as of September 30 |  | $ | — |
As of September 30, 2020, there were no drilling and completion costs on exploratory wells pending determination of proved reserves capitalized for greater than one year.

X
- References No definition available. + Details
Name: | srt_ExtractiveIndustriesAbstract
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for parts or all of the information related to suspended well costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=68064819&loc=SL6806780-109447 + Details
Name: | us-gaap_SuspendedWellCostsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration