Condensed Consolidated Statements of Cash Flows (Unaudited) - Southern - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Operating Activities:
Net income (loss)	$ 3,566	$ 2,592
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	3,084	2,944
Deferred income taxes	608	89
Utilization of federal investment tax credits	266	256
Allowance for equity funds used during construction	(163)	(140)
Mark-to-market adjustments	(33)	147
Pension, postretirement, and other employee benefits	(322)	(218)
Settlement of asset retirement obligations	(314)	(341)
Stock based compensation expense	116	134
Estimated loss on Plant Vogtle Units 3 and 4	(18)	772
Storm damage accruals	160	166
Gain on dispositions, net	(41)	(171)
Natural gas cost under recovery – long-term	207	(79)
Retail fuel cost under recovery – long-term	(1,701)	(209)
Other, net	(45)	156
Changes in certain current assets and liabilities —
Receivables	(327)	2
Materials and supplies	(138)	(91)
Natural gas for sale, net of temporary LIFO liquidation	(136)	20
Natural gas cost under recovery	(124)	(432)
Other current assets	(343)	(180)
Accounts payable	805	(45)
Accrued taxes	167	288
Accrued compensation	(123)	(93)
Accrued interest	(101)	(110)
Retail fuel cost over recovery	(1)	(150)
Other current liabilities	(32)	(226)
Net cash provided from operating activities	5,017	5,081
Investing Activities:
Business acquisitions, net of cash acquired	0	(345)
Property additions	(5,502)	(5,222)
Nuclear decommissioning trust fund purchases	(858)	(1,301)
Nuclear decommissioning trust fund sales	854	1,297
Proceeds from dispositions	120	160
Cost of removal, net of salvage	(518)	(282)
Payments pursuant to LTSAs	(121)	(145)
Other investing activities	73	(12)
Net cash used for investing activities	(5,952)	(5,850)
Financing Activities:
Decrease in notes payable, net	(349)	(203)
Proceeds —
Long-term debt	3,800	6,793
Short-term borrowings	1,200	325
Common stock	1,803	62
Redemptions and repurchases —
Long-term debt	(1,932)	(3,060)
Short-term borrowings	(900)	(25)
Capital contributions from noncontrolling interests	73	415
Distributions to noncontrolling interests	(175)	(204)
Payment of common stock dividends	(2,166)	(2,077)
Other financing activities	(235)	(224)
Net cash provided from financing activities	1,119	1,802
Net Change in Cash, Cash Equivalents, and Restricted Cash	184	1,033
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	1,829	1,068
Cash, Cash Equivalents, and Restricted Cash at End of Period	2,013	2,101
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	1,425	1,417
Income taxes, net	160	92
Noncash transactions —
Accrued property additions at year-end	872	915
Contributions from noncontrolling interests	0	89
Contributions of wind turbine equipment	0	82
Right-of-use assets obtained under leases	141	92
Reassessment of right-of-use assets under operating leases	$ 40	$ 0