XML 107 R92.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Fair Value Measurements, Level 3 Reconciliation (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Investments of Certain Benefit Plans [Member] |  |  |
Reconciliation of Beginning and Ending Balances for Fair Value Measurements Developed Using Significant Unobservable Inputs |  |  |
Balance as of beginning of year | $ 11 | $ 11 | $ 10
Purchases | 0 | 0 | 1
Transfers in and/or out of Level 3 | 0 | 0 | 0
Balance as of end of year | 11 | 11 | 11
Investments of Certain Benefit Plans [Member] | Operating Expense [Member] | Refining [Member] |  |  |
Reconciliation of Beginning and Ending Balances for Fair Value Measurements Developed Using Significant Unobservable Inputs |  |  |
Total losses included in refining operating expense | 0 | 0 | 0
Investments of Certain Benefit Plans [Member] | Other Income [Member] |  |  |
Reconciliation of Beginning and Ending Balances for Fair Value Measurements Developed Using Significant Unobservable Inputs |  |  |
The amount of total losses included in income attributable to the change in unrealized losses relating to assets still held at end of year | 0 | 0 | 0
Other Investments [Member] |  |  |
Reconciliation of Beginning and Ending Balances for Fair Value Measurements Developed Using Significant Unobservable Inputs |  |  |
Balance as of beginning of year | 0 | 0 | 0
Purchases | 0 | 0 | 21
Transfers in and/or out of Level 3 | 0 | 0 | 0
Balance as of end of year | 0 | 0 | 0
Other Investments [Member] | Operating Expense [Member] | Refining [Member] |  |  |
Reconciliation of Beginning and Ending Balances for Fair Value Measurements Developed Using Significant Unobservable Inputs |  |  |
Total losses included in refining operating expense | 0 | 0 | (21)
Other Investments [Member] | Other Income [Member] |  |  |
Reconciliation of Beginning and Ending Balances for Fair Value Measurements Developed Using Significant Unobservable Inputs |  |  |
The amount of total losses included in income attributable to the change in unrealized losses relating to assets still held at end of year | $ 0 | $ 0 | $ (21)

X
- Definition Amount of unrealized (holding) gain (loss) which is included in the statement of income (or changes in net assets) related to those assets still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of gain (loss) recognized in the income statement for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy. + References No definition available. + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant