Statements of Comprehensive Income - MPC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net Income	$ 3,849	$ 3,428	$ 2,309
Qualifying hedges:
Reclassification adjustment for amounts included in net income, net of tax	69	73	96
Total other comprehensive income (loss)	(10)	71	158
Comprehensive Income	3,966	3,595	2,551
Mississippi Power
Net Income	188	164	159
Qualifying hedges:
Reclassification adjustment for amounts included in net income, net of tax	0	0	1
Total other comprehensive income (loss)	0	0	1
Comprehensive Income	$ 188	$ 164	$ 160