Appendix 2.2 Additional Information No. 715 of February 3, 2012 - Summary of Estimated Sales and Purchases of Energy and Capacity - Income Statement (Detail) - Estimated Sales and Purchases of Energy and Capacity [Member] - CLP ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Energy and Capacity [Member]
Disclosure Of Estimated Sales And Purchases Of Energy And Capacity [Line Items]
Energy Sales	$ 994,692,375	$ 1,052,873,402
Energy Purchases	309,187,730	163,111,943
Energy and Tolls [Member]
Disclosure Of Estimated Sales And Purchases Of Energy And Capacity [Line Items]
Energy Sales	107,471,571	57,684,300
Energy Purchases	$ 29,167,180	$ 22,333,297