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Asset Impairment Expense (Tables)
9 Months Ended
Sep. 30, 2025
Impairment or Disposal of Tangible Assets Disclosure [Abstract]  
Details of Impairment of Long-Lived Assets Held and Used by Asset [Table Text Block]
The following table presents our asset impairment expense (reversals) for the periods indicated (in millions):
Three Months Ended September 30,Nine Months Ended September 30,
2025202420252024
Mong Duong$— $11 $(226)$54 
AES Clean Energy Development Projects (ACED)15 132 21 
AES Andes Development Project16 — 16 — 
AES Brasil— 55 — 80 
Other— 
Total$31 $74 $(74)$158