| 1 |
[Roll Forward] |
Accumulated and Projected Benefit Obligations [Roll Forward] |
| 2 |
[Hierarchy] |
Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Hierarchy] |
| 3 |
[Level 3 Text Block] |
Allocation of Plan Assets [Table Text Block] |
| 4 |
[Level 3 Text Block] |
Accumulated Other Comprehensive Income (Loss), Amounts to be Recognized over Next Fiscal Year [Table Text Block] |
| 5 |
[Level 3 Text Block] |
Pension Plans or Other Employee Benefit Plans, Amounts Recognized in Balance Sheet [Hierarchy] |
| 6 |
[Roll Up] |
Pension Plans or Other Employee Benefit Plans, Amounts Recognized in Other Comprehensive Income (Loss) [Roll Up] |
| 7 |
[Hierarchy] |
Application of Recognition Provisions of FAS 158, Incremental Effects on Balance Sheet [Hierarchy] |
| 8 |
[Roll Forward] |
Asset Line Item Changes Due to Additional Minimum Pension Liability (AML) Adjustment and Application of FAS 158 Recognition Provisions [Roll Forward] |
| 9 |
[Roll Forward] |
Asset Line Item Changes Due to Application of FAS 158 Recognition Provisions [Roll Forward] |
| 10 |
[Hierarchy] |
Pension Plans or Other Employee Benefit Plans Assumptions Used, by Plan [Hierarchy] |
| 11 |
[Level 3 Text Block] |
Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block] |
| 12 |
[Roll Forward] |
Accumulated Postemployment Benefit Obligations, Changes In [Roll Forward] |
| 13 |
[Level 3 Text Block] |
Net Changes in Fair Value of Plan Assets [Table Text Block] |
| 14 |
[Roll Forward] |
Projected Benefit Obligations, Changes In [Roll Forward] |
| 15 |
[Hierarchy] |
Coal Industry Retiree Health Benefit Act of 1992 [Hierarchy] |
| 16 |
[Level 1 Text Block] |
Compensation and Employee Benefit Plans Note [Note Level] |
| 17 |
[Level 1 Text Block] |
Compensation and Employee Benefit Plans Other than Share-based Compensation Note [Note Level] |
| 18 |
[Roll Up] |
Retirement Plans Cost [Roll Up] |
| 19 |
[Hierarchy] |
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Hierarchy] |
| 20 |
[Hierarchy] |
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Hierarchy] |
| 21 |
[Roll Up] |
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Roll Up] |
| 22 |
[Roll Up] |
Other Comprehensive Income (Loss), Defined Benefit Plan Amounts Recognized [Roll Up] |
| 23 |
[Hierarchy] |
Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Hierarchy] |
| 24 |
[Hierarchy] |
Defined Benefit Plan, Assumptions Used in Calculations [Hierarchy] |
| 25 |
[Abstract] |
Defined Benefit Plan, before Adoption of FAS 158 Recognition Provisions, Disclosures [Abstract] |
| 26 |
[Roll Forward] |
Defined Benefit Plan, Change in Benefit Obligation, by Plan [Roll Forward] |
| 27 |
[Hierarchy] |
Defined Benefit Plan Disclosure [Hierarchy] |
| 28 |
[Hierarchy] |
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Hierarchy] |
| 29 |
[Hierarchy] |
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year [Hierarchy] |
| 30 |
[Roll Forward] |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |
| 31 |
[Roll Up] |
Defined Benefit Plan, Funded Status of Plan [Roll Up] |
| 32 |
[Hierarchy] |
Defined Benefit Plan, Information about Plan Assets [Hierarchy] |
| 33 |
[Roll Up] |
Defined Benefit Plan, Net Periodic Benefit Cost [Roll Up] |
| 34 |
[Hierarchy] |
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Hierarchy] |
| 35 |
[Hierarchy] |
Defined Benefit Plan, Plan Amendment [Hierarchy] |
| 36 |
[Hierarchy] |
Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets [Hierarchy] |
| 37 |
[Hierarchy] |
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Hierarchy] |
| 38 |
[Level 1 Text Block] |
Defined Benefit Plans Note [Note Level] |
| 39 |
[Hierarchy] |
Defined Benefit Plan, Settlements and Curtailments [Hierarchy] |
| 40 |
[Hierarchy] |
Defined Benefit Plan, Special or Contractual Termination Benefits During Period [Hierarchy] |
| 41 |
[Hierarchy] |
Defined Contribution Pension and Other Postretirement Plans Disclosure [Hierarchy] |
| 42 |
[Level 3 Text Block] |
Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block] |
| 43 |
[Level 3 Text Block] |
Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block] |
| 44 |
[Roll Up] |
Accumulated Other Comprehensive Income (Loss), Effect of Change in Measurement Date, Net of Tax [Roll Up] |
| 45 |
[Roll Up] |
Expected Benefit Payments [Roll Up] |
| 46 |
[Hierarchy] |
Expected Gross Prescription Drug Subsidy Receipts Disclosure [Hierarchy] |
| 47 |
[Hierarchy] |
General Discussion of Pension and Other Postretirement Benefits [Hierarchy] |
| 48 |
[Level 3 Text Block] |
Health Care Cost Trend Rates [Table Text Block] |
| 49 |
[Roll Forward] |
Incremental Effects on Balance Sheet, Application of FAS 158 Recognition Provisions [Roll Forward] |
| 50 |
[Hierarchy] |
Japanese Welfare Pension Insurance Law [Hierarchy] |
| 51 |
[Roll Forward] |
Liability or Equity Line Item Changes Due to AML Adjustment and Application of FAS 158 Recognition Provisions [Roll Forward] |
| 52 |
[Roll Forward] |
Liability or Equity Line Item Changes Due to Application of FAS 158 Recognition Provisions [Roll Forward] |
| 53 |
[Hierarchy] |
Multiemployer Pension or Postretirement Benefit Plan, by Plan Type and Plan Name [Hierarchy] |
| 54 |
[Roll Up] |
Net Periodic Benefit Costs, by Plan [Roll Up] |
| 55 |
[Level 3 Text Block] |
Net Funded Status [Table Text Block] |
| 56 |
[Level 3 Text Block] |
Net Periodic Benefit Cost Not yet Recognized [Table Text Block] |
| 57 |
[Roll Up] |
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, before Tax [Roll Up] |
| 58 |
[Roll Up] |
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year [Roll Up] |
| 59 |
[Level 1 Text Block] |
Pension and Other Postretirement Benefits Note [Note Level] |
| 60 |
[Hierarchy] |
Postretirement Medical Plans with Prescription Drug Benefits [Hierarchy] |