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Network
2415406 - Disclosure - Benefit Plans Benefit Plans (Weighted Average Assumptions) (Details)
(http://www.aes.com/role/BenefitPlansBenefitPlansWeightedAverageAssumptionsDetails)
TableSchedule of Defined Benefit Plans Disclosures [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000874761 (http://www.sec.gov/CIK)
Defined Benefit Plan Disclosure [Line Items]Period [Axis]
2013-01-01 - 2013-12-31
2012-01-01 - 2012-12-31
Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]
United States Pension Plan of US Entity, Defined Benefit [Member]Foreign Pension Plan, Defined Benefit [Member]United States Pension Plan of US Entity, Defined Benefit [Member]Foreign Pension Plan, Defined Benefit [Member]
Benefit Obligation:
 
 
 
 
Discount rates
.0489  
.1080 1
.0386  
.0828 1
Rates of compensation increase
.0394 2
.0644  
.0394 2
.0647  
Periodic Benefit Cost:
 
 
 
 
Discount rate
.0386  
.0828  
.0467  
.0954  
Expected long-term rate of return on plan assets
.0715  
.1116  
.0728  
.1081  
Rate of compensation increase
.0394 2
.0647  
.0394 2
.0599  
Defined benefit plan, benefit obligation subsidiary using salary bonds
651,000,000  
 
764,000,000  
 
1: Includes an inflation factor that is used to calculate future periodic benefit cost, but is not used to calculate the benefit obligation.
2: A U.S. subsidiary of the Company has a defined benefit obligation of $651 million and $764 million as of December 31, 2013 and 2012, respectively, and uses salary bands to determine future benefit costs rather than rates of compensation increases. Rates of compensation increases in the table above do not include amounts related to this specific defined benefit plan.