Statements of Cash Flows - APC (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net cash paid for capitalized interest	$ 132	$ 103	$ 92
Alabama Power
Net cash paid for capitalized interest	$ 27	$ 20	$ 15