Statements of Comprehensive Income - MPC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net Income	$ 4,260	$ 3,849	$ 3,428
Qualifying hedges:
Changes in fair value, net of tax	(5)	(41)	(60)
Total other comprehensive income (loss)	99	(10)	71
Comprehensive Income	4,500	3,966	3,595
Mississippi Power
Net Income	199	188	164
Qualifying hedges:
Changes in fair value, net of tax	5	0	0
Total other comprehensive income (loss)	5	0	0
Comprehensive Income	$ 204	$ 188	$ 164