Condensed Consolidated Statements of Cash Flows (Unaudited) - Southern - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Operating Activities:
Consolidated Net Income	$ 1,338	$ 1,270
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	1,580	1,411
Deferred income taxes	168	351
Allowance for equity funds used during construction	(121)	(73)
Pension, postretirement, and other employee benefits	(149)	(149)
Settlement of asset retirement obligations	(133)	(134)
Stock based compensation expense	97	90
Storm damage cost recovery – long-term	(93)	(173)
Other, net	(25)	(1)
Changes in certain current assets and liabilities —
Receivables	124	7
Retail fuel cost under recovery	63	71
Prepayments	(98)	(120)
Materials and supplies	(85)	11
Natural gas for sale, net of temporary LIFO liquidation	355	365
Other current assets	(27)	66
Accounts payable	(555)	(394)
Accrued taxes	(408)	(418)
Accrued compensation	(599)	(537)
Accrued interest	(180)	(82)
Customer refunds	5	(95)
Natural gas cost over recovery	(27)	(179)
Other current liabilities	(4)	(37)
Net cash provided from operating activities	1,226	1,250
Investing Activities:
Property additions	(2,944)	(2,437)
Nuclear decommissioning trust fund purchases	(442)	(361)
Nuclear decommissioning trust fund sales	442	361
Cost of removal, net of salvage	(166)	(168)
Change in construction payables, net	(251)	(161)
Other investing activities	(60)	(68)
Net cash used for investing activities	(3,421)	(2,834)
Financing Activities:
Increase (decrease) in notes payable, net	653
Decrease in notes payable, net		(841)
Proceeds —
Long-term debt	2,390	4,567
Short-term borrowings	350	0
Common stock	535	30
Redemptions and repurchases —
Long-term debt	(1,322)	(35)
Short-term borrowings	(50)	0
Distributions to noncontrolling interests	(47)	(37)
Payment of common stock dividends	(776)	(736)
Other financing activities	(191)	(133)
Net cash provided from financing activities	1,542	2,815
Net Change in Cash, Cash Equivalents, and Restricted Cash	(653)	1,231
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	1,640	1,101
Cash, Cash Equivalents, and Restricted Cash at End of Period	987	2,332
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	901	756
Income taxes, net (excludes credit transfers)	0	(1)
Noncash transactions —
Accrued property additions at end of period	1,049	940
Right-of-use assets obtained under operating leases	41	87
Right-of-use assets obtained under finance leases	2	13
Issuance of common stock under dividend reinvestment plan	$ 54	$ 55