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Component: (Network and Table)
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]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]
U.S. Defined Benefit PlansForeign Defined Benefit PlansU.S. Defined Benefit PlansForeign Defined Benefit Plans
Benefit Obligation:
 
 
 
 
Discount rate
4.28%  
10.08% 1
4.44%  
11.35% 1
Rate of compensation increase
3.34%  
6.41%  
3.34%  
6.31%  
Periodic Benefit Cost:
 
 
 
 
Discount rate
4.44%  
11.37%  
4.04%  
10.47%  
Expected long-term rate of return on plan assets
6.67%  
9.54%  
6.67%  
9.77%  
Rate of compensation increase
3.34%  
6.40%  
3.94%  
6.33%  
Defined benefit plan, benefit obligation subsidiary using salary bands
    
Defined Benefit Plan Obligation subsidiary using compensation increase
    
1: Includes an inflation factor that is used to calculate future periodic benefit cost, but is not used to calculate the benefit obligation.