XML 88 R61.htm IDEA: XBRL DOCUMENT v3.24.3
Fair Value (Nonrecurring Measurements) (Details)
$ in Millions
 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Mar. 31, 2024
USD ($)
Sep. 30, 2023
USD ($)
Jun. 30, 2023
USD ($)
Mar. 31, 2023
USD ($)
Jun. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2024
ARS ($)
Sep. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Other Asset Impairment Charges $ 79     $ 158       $ 355   $ 352    
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs (184) $ (175)   (297) $ (290)   $ (290) (184)   (297) $ (220) $ (31)
Corporate, Non-Segment | Corporate Other And Other Eliminations [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Adjusted EBITDA (23)     8       (3)     20  
Operating Segments [Member] | Renewables                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Adjusted EBITDA 199     267       443   557    
Operating Segments [Member] | Utilities                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Adjusted EBITDA 223     216       619     526  
Operating Segments [Member] | Energy Infrastructure                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Adjusted EBITDA 299     520       969     1,165  
Operating Segments [Member] | New Energy Technologies                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Adjusted EBITDA (7)     (22)       (38)     (61)  
Commodity Contract [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs (73) (71)   (76) (78)   (78) (73)   (76) $ (110) $ (47)
Other Contract [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs 2             2        
Commodity Option                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs (75)             (75)        
Jordan (IPP1 & IPP4)                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Selling Expense             5     6    
Mong Duong held-for-sale                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Selling Expense               5        
AES Brasil [Domain]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Selling Expense               13        
Weighted Average [Member] | Commodity                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Derivative, Commodity prices                 $ 65.40      
Maximum [Member] | Commodity                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Derivative, Commodity prices                 132.09      
Minimum [Member] | Commodity                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Derivative, Commodity prices                 $ 11.85      
Long Lived Assets Held And Used [Member] | Maritza                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Other Asset Impairment Charges                   137    
Long Lived Assets Held And Used [Member] | Jordan (IPP1 & IPP4)                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Other Asset Impairment Charges 0     14 15 $ 14   0   43    
Long Lived Assets Held And Used [Member] | Norgener                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Other Asset Impairment Charges 0     0       0   137    
Long Lived Assets Held And Used [Member] | AES Renewable Holdings                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Other Asset Impairment Charges 0     0       0   18    
Long Lived Assets Held And Used [Member] | TEP                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Other Asset Impairment Charges                   77    
Long Lived Assets Held And Used [Member] | TEG                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Other Asset Impairment Charges                   59    
Long Lived Assets Held And Used [Member] | Mong Duong held-for-sale                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Other Asset Impairment Charges 11 6 $ 37                  
Long Lived Assets Held And Used [Member] | AES Brasil [Domain]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Other Asset Impairment Charges 60 217                    
Long Lived Assets Held And Used [Member] | Renewables                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Other Asset Impairment Charges                   18    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Maritza                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       196           196    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Maritza | Level 1 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       0           0    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Maritza | Level 2 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       0           0    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Maritza | Level 3 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       24           24    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Jordan (IPP1 & IPP4)                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       178 179 179 179     178    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Jordan (IPP1 & IPP4) | Level 1 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       0 0 0 0     0    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Jordan (IPP1 & IPP4) | Level 2 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       170 170 170 170     170    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Jordan (IPP1 & IPP4) | Level 3 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       0 $ 0 $ 0 $ 0     0    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | TEP                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       170           170    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | TEP | Level 1 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       0           0    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | TEP | Level 2 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       0           0    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | TEP | Level 3 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       93           93    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | TEG                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       153           153    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | TEG | Level 1 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       0           0    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | TEG | Level 2 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       0           0    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | TEG | Level 3 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       94           94    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Mong Duong held-for-sale                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring 407 390 450         407        
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Mong Duong held-for-sale | Level 1 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring 0 0 0         0        
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Mong Duong held-for-sale | Level 2 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring 400 389 413         400        
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Mong Duong held-for-sale | Level 3 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring 0 0 $ 0         0        
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | AES Brasil [Domain]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring 1,351 1,556           1,351        
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | AES Brasil [Domain] | Level 1 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring 0 0           0        
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | AES Brasil [Domain] | Level 2 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring 1,313 1,352           1,313        
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | AES Brasil [Domain] | Level 3 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring $ 0 $ 0           $ 0        
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Renewables                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       29           29    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Renewables | Level 1 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       0           0    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Renewables | Level 2 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       0           0    
Long Lived Assets Held And Used [Member] | Estimate of Fair Value Measurement [Member] | Renewables | Level 3 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       11           11    
Long Lived Assets held and Used | Estimate of Fair Value Measurement [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       222           222    
Long Lived Assets held and Used | Estimate of Fair Value Measurement [Member] | Norgener | Level 3 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       24           24    
Long Lived Assets held and Used | Estimate of Fair Value Measurement [Member] | AES Renewable Holdings | Level 3 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       11           11    
Long Lived Assets held and Used | Estimate of Fair Value Measurement [Member] | TEP | Level 3 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       94           94    
Long Lived Assets held and Used | Estimate of Fair Value Measurement [Member] | TEG | Level 3 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       93           93    
Long Lived Assets held and Used | Estimate of Fair Value Measurement [Member] | Renewables | Level 3 [Member]                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Assets Carrying Amount Disclosure Nonrecurring       $ 11           $ 11    
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Weighted Average [Member] | Norgener                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               85.00% 85.00%      
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Weighted Average [Member] | TEP                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               (2.00%) (2.00%)      
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Weighted Average [Member] | TEG                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               0.00% 0.00%      
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Weighted Average [Member] | Renewables                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               1.00% 1.00%      
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Maximum [Member] | Norgener                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               994.00% 994.00%      
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Maximum [Member] | TEP                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               6.00% 6.00%      
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Maximum [Member] | TEG                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               9.00% 9.00%      
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Maximum [Member] | Renewables                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               44.00% 44.00%      
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Minimum [Member] | Norgener                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               (90.00%) (90.00%)      
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Minimum [Member] | TEP                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               (31.00%) (31.00%)      
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Minimum [Member] | TEG                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               (7.00%) (7.00%)      
Measurement Input, Long-term Revenue Growth Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Minimum [Member] | Renewables                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               (42.00%) (42.00%)      
Measurement Input, Discount Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Weighted Average [Member] | TEP                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               14.00% 14.00%      
Measurement Input, Discount Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Weighted Average [Member] | TEG                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               14.00% 14.00%      
Measurement Input, Discount Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Weighted Average [Member] | Renewables                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               9.00% 9.00%      
Measurement Input, Discount Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Maximum [Member] | TEP                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               25.00% 25.00%      
Measurement Input, Discount Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Maximum [Member] | TEG                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               25.00% 25.00%      
Measurement Input, Discount Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Minimum [Member] | TEP                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               14.00% 14.00%      
Measurement Input, Discount Rate [Member] | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Minimum [Member] | TEG                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               14.00% 14.00%      
Measurement Input, Variable Margin | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Weighted Average [Member] | Norgener                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               16.00% 16.00%      
Measurement Input, Variable Margin | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Weighted Average [Member] | TEP                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               26.00% 26.00%      
Measurement Input, Variable Margin | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Weighted Average [Member] | TEG                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               20.00% 20.00%      
Measurement Input, Variable Margin | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Maximum [Member] | Norgener                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               276.00% 276.00%      
Measurement Input, Variable Margin | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Maximum [Member] | TEP                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               37.00% 37.00%      
Measurement Input, Variable Margin | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Maximum [Member] | TEG                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               33.00% 33.00%      
Measurement Input, Variable Margin | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Minimum [Member] | Norgener                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               (75.00%) (75.00%)      
Measurement Input, Variable Margin | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Minimum [Member] | TEP                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               22.00% 22.00%      
Measurement Input, Variable Margin | Valuation, Income Approach [Member] | Property, Plant and Equipment [Member] | Minimum [Member] | TEG                        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                        
Fair Value Measurement Inputs, Nonrecurring               14.00% 14.00%