XML 130 R97.htm IDEA: XBRL DOCUMENT v3.8.0.1

Accounting for Suspended Exploratory Wells (Details 1) $ in Millions	Dec. 31, 2017 USD ($) Well Project	Dec. 31, 2016 USD ($) Project	Dec. 31, 2015 USD ($) Project
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Capitalized exploratory well costs that have been capitalized for period greater than one year	$ 3,395	$ 3,095	$ 2,823
Capitalized exploratory well costs that have been capitalized for period greater than one year, number of wells | Well	158
Number of projects (in projects) | Project	32	35	39
1998-2006
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Capitalized exploratory well costs that have been capitalized for period greater than one year	$ 318
Capitalized exploratory well costs that have been capitalized for period greater than one year, number of wells | Well	29
2007-2011
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Capitalized exploratory well costs that have been capitalized for period greater than one year	$ 879
Capitalized exploratory well costs that have been capitalized for period greater than one year, number of wells | Well	50
2012-2016
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Capitalized exploratory well costs that have been capitalized for period greater than one year	$ 2,198
Capitalized exploratory well costs that have been capitalized for period greater than one year, number of wells | Well	79
2003-2009
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Capitalized exploratory well costs that have been capitalized for period greater than one year	$ 344
Number of projects (in projects) | Project	5
2010-2013
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Capitalized exploratory well costs that have been capitalized for period greater than one year	$ 367
Number of projects (in projects) | Project	6
2014-2017
Projects with Exploratory Well Costs Capitalized for More than One Year [Line Items]
Capitalized exploratory well costs that have been capitalized for period greater than one year	$ 2,684
Number of projects (in projects) | Project	21

X

- Definition

Exploratory Wells That Have Been Capitalized For Period Greater Than One Year, Number Of Wells With Multiple Completions, Gross

+ References

No definition available.

+ Details

Name:	cvx_ExploratoryWellsThatHaveBeenCapitalizedForPeriodGreaterThanOneYearNumberOfWellsWithMultipleCompletionsGross
Namespace Prefix:	cvx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The amount of exploratory well costs that have been capitalized for a period of greater than one year after the completion of drilling.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 1B
-Subparagraph b
-URI http://asc.fasb.org/extlink&oid=68064819&loc=SL6806780-109447

+ Details

Name:	us-gaap_CapitalizedExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The number of projects for which exploratory well costs have been capitalized for a period of greater than one year after the completion of drilling.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 932
-SubTopic 235
-Section 50
-Paragraph 1B
-Subparagraph b
-URI http://asc.fasb.org/extlink&oid=68064819&loc=SL6806780-109447

+ Details

Name:	us-gaap_ProjectsThatHaveExploratoryWellCostsThatHaveBeenCapitalizedForPeriodGreaterThanOneYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

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.

+ References

No definition available.

+ Details

Name:	us-gaap_ProjectsWithExploratoryWellCostsCapitalizedForMoreThanOneYearLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AgingOfCapitalizedExploratoryWellCostsAxis=us-gaap_AgingOfCapitalizedExploratoryWellCostsPeriodOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AgingOfCapitalizedExploratoryWellCostsAxis=us-gaap_AgingOfCapitalizedExploratoryWellCostsPeriodTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AgingOfCapitalizedExploratoryWellCostsAxis=us-gaap_AgingOfCapitalizedExploratoryWellCostsPeriodThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AgingOfCapitalizedExploratoryWellCostsAxis=us-gaap_AgingOfCapitalizedExploratoryWellCostsPeriodFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AgingOfCapitalizedExploratoryWellCostsAxis=us-gaap_AgingOfCapitalizedExploratoryWellCostsPeriodFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AgingOfCapitalizedExploratoryWellCostsAxis=cvx_AgingOfCapitalizedExploratoryWellCostsPeriodSixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: