Benefit Plans (Plan Asset Allocations) (Details)	Dec. 31, 2024 Rate	Dec. 31, 2023 Rate
UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets	100.00%	100.00%
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets	100.00%	100.00%
Equity Securities [Member] \| UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Target Allocations	21.80%
Percentage of Plan Assets	22.00%	21.80%
Equity Securities [Member] \| Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocations	0.00%
Percentage of Plan Assets	0.00%	5.30%
Debt Securities [Member] \| UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Target Allocations	78.20%
Percentage of Plan Assets	77.00%	77.60%
Debt Securities [Member] \| Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocations	100.00%
Percentage of Plan Assets	100.00%	89.30%
Real estate \| UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Target Allocations	0.00%
Percentage of Plan Assets	0.00%	0.00%
Real estate \| Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocations	0.00%
Percentage of Plan Assets	0.00%	0.80%
Other \| UNITED STATES
Defined Benefit Plan Disclosure [Line Items]
Target Allocations	0.00%
Percentage of Plan Assets	1.00%	0.60%
Other \| Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Target Allocations	0.00%
Percentage of Plan Assets	0.00%	4.60%

AES CORP 10-K