Regulatory Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2021

The Company has recorded regulatory assets and liabilities (in millions) that it expects to pass through to its customers in accordance with, and subject to, regulatory provisions as follows:


December 31,	2021		2020		Recovery/Refund Period
Regulatory assets
Current regulatory assets:
El Salvador energy pass through costs recovery	$	80	$	40	Quarterly
Other	88		73		1 year
Total current regulatory assets	168		113
Noncurrent regulatory assets:
AES Indiana and AES Ohio defined benefit pension obligations (1)	191		244		Various
AES Indiana deferred fuel and purchased power costs	84		—		To be determined
AES Indiana environmental costs	76		81		Various
AES Indiana Petersburg Units 1 and 2 retirement costs	300		75		Over life of assets
AES Indiana deferred Midwest ISO costs	48		61		5 years
Other	135		126		Various
Total noncurrent regulatory assets	834		587
Total regulatory assets	$	1,002	$	700
Regulatory liabilities
Current regulatory liabilities:
Overcollection of costs to be passed back to customers	$	18	$	47	1 year

Other	1		1		Various
Total current regulatory liabilities	19		48
Noncurrent regulatory liabilities:
AES Indiana and AES Ohio accrued costs of removal and AROs	868		863		Over life of assets
AES Indiana and AES Ohio income taxes payable to customers through rates	158		174		Various
Other	30		21		Various
Total noncurrent regulatory liabilities	1,056		1,058
Total regulatory liabilities	$	1,075	$	1,106

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(1)Past expenditures on which the Company earns a rate of return.