Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block] |
EffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRates |
PostEmploymentButPreRetirementCosts |
Disclosure of the effect of a one-percentage-point increase and the effect of a one-percentage-point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs and the accumulated postretirement benefit obligation for health care benefits. |
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us-gaap:ScheduleOfEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesTableTextBlock |
http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |