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Condensed Statements of Cash Flows (Unaudited) - APC (Parenthetical) - USD ($) $ in Millions | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Net cash paid for capitalized interest | $ 66 | $ 46
Alabama Power |  |
Net cash paid for capitalized interest | $ 13 | $ 9

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