Line |
Label |
Object Class (Data type) |
Period Type |
Balance |
Report Element Name |
1 |
Postretirement Medical Plans with Prescription Drug Benefits [Hierarchy] |
Abstract |
|
|
us-gaap:PostretirementMedicalPlansWithPrescriptionDrugBenefitsAbstract |
2 |
Description of Postretirement Medical Plans with Prescription Drug Benefits |
Concept (Text/String) |
For Period |
|
us-gaap:DescriptionOfPostretirementMedicalPlansWithPrescriptionDrugBenefits |
3 |
Prescription Drug Benefit Subsidy, Effect Not Determined |
Concept (Yes/No) |
For Period |
|
us-gaap:PrescriptionDrugBenefitSubsidyEffectNotDetermined |
4 |
Prescription Drug Benefit, Reduction in Accumulated Postretirement Benefit Obligation for Subsidy |
Concept (Monetary) |
As Of |
Debit |
us-gaap:PrescriptionDrugBenefitReductionInAccumulatedPostretirementBenefitObligationForSubsidy |
5 |
Prescription Drug Benefit, Effect of Subsidy on Net Periodic Postretirement Benefit Cost |
Concept (Monetary) |
For Period |
Credit |
us-gaap:PrescriptionDrugBenefitEffectOfSubsidyOnNetPeriodicPostretirementBenefitCost1 |
6 |
Postretirement Medical Plans with Prescription Drug Benefits, Description of Other Significant Change |
Concept (Text/String) |
For Period |
|
us-gaap:PostretirementMedicalPlansWithPrescriptionDrugBenefitsDescriptionOfOtherSignificantChange |
7 |
Prescription Drug Subsidy Receipts, Fiscal Year Maturity [Abstract] |
Concept (Text/String) |
For Period |
|
us-gaap:DisclosureOfExpectedGrossPrescriptionDrugSubsidyReceiptsAbstract |
8 |
Prescription Drug Subsidy Receipts, Next Twelve Months |
Concept (Monetary) |
As Of |
Debit |
us-gaap:PrescriptionDrugSubsidyReceiptsNextTwelveMonths |
9 |
Prescription Drug Subsidy Receipts, Year Two |
Concept (Monetary) |
As Of |
Debit |
us-gaap:PrescriptionDrugSubsidyReceiptsYearTwo1 |
10 |
Prescription Drug Subsidy Receipts, Year Three |
Concept (Monetary) |
As Of |
Debit |
us-gaap:PrescriptionDrugSubsidyReceiptsYearThree1 |
11 |
Prescription Drug Subsidy Receipts, Year Four |
Concept (Monetary) |
As Of |
Debit |
us-gaap:PrescriptionDrugSubsidyReceiptsYearFour1 |
12 |
Prescription Drug Subsidy Receipts, Year Five |
Concept (Monetary) |
As Of |
Debit |
us-gaap:PrescriptionDrugSubsidyReceiptsYearFive1 |
13 |
Prescription Drug Subsidy Receipts, after Year Five |
Concept (Monetary) |
As Of |
Debit |
us-gaap:PrescriptionDrugSubsidyReceiptsAfterYearFive |
14 |
Prescription Drug Subsidy Receipts, Remainder of Fiscal Year |
Concept (Monetary) |
As Of |
Debit |
us-gaap:PrescriptionDrugSubsidyReceiptsRemainderOfFiscalYear |
15 |
Prescription Drug Subsidy Receipts, Rolling Maturity [Abstract] |
Concept (Text/String) |
For Period |
|
us-gaap:PrescriptionDrugSubsidyReceiptsRollingMaturityAbstract |
16 |
Prescription Drug Subsidy Receipts, Next Rolling Twelve Months |
Concept (Monetary) |
As Of |
Debit |
us-gaap:PrescriptionDrugSubsidyReceiptsNextRollingTwelveMonths |
17 |
Prescription Drug Subsidy Receipts, Rolling Year Two |
Concept (Monetary) |
As Of |
Debit |
us-gaap:PrescriptionDrugSubsidyReceiptsRollingYearTwo |
18 |
Prescription Drug Subsidy Receipts, Rolling Year Three |
Concept (Monetary) |
As Of |
Debit |
us-gaap:PrescriptionDrugSubsidyReceiptsRollingYearThree |
19 |
Prescription Drug Subsidy Receipts, Rolling Year Four |
Concept (Monetary) |
As Of |
Debit |
us-gaap:PrescriptionDrugSubsidyReceiptsRollingYearFour |
20 |
Prescription Drug Subsidy Receipts, Rolling Year Five |
Concept (Monetary) |
As Of |
Debit |
us-gaap:PrescriptionDrugSubsidyReceiptsRollingYearFive |
21 |
Prescription Drug Subsidy Receipts, Rolling after Year Five |
Concept (Monetary) |
As Of |
Debit |
us-gaap:PrescriptionDrugSubsidyReceiptsRollingAfterYearFive |