Condensed Consolidated Statements of Cash Flows (Unaudited) - Southern - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Operating Activities:
Consolidated net income	$ 1,622	$ 2,079
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	2,436	1,995
Deferred income taxes	(34)	240
Utilization of federal investment tax credits	110	281
Allowance for equity funds used during construction	(135)	(104)
Pension, postretirement, and other employee benefits	(245)	(211)
Settlement of asset retirement obligations	(276)	(198)
Stock based compensation expense	111	100
Estimated loss on Plant Vogtle Units 3 and 4	0	52
Storm damage accruals	27	107
Natural gas cost under recovery – long-term	0	192
Retail fuel cost under recovery – long-term	108	(729)
Other, net	(50)	34
Changes in certain current assets and liabilities —
Receivables	735	(637)
Prepayments	(64)	(90)
Fossil fuel stock	(308)	20
Materials and supplies	(202)	(109)
Natural gas for sale, net of temporary LIFO liquidation	196	335
Other current assets	103	(101)
Accounts payable	(997)	703
Accrued compensation	(378)	(260)
Customer refunds	(121)	0
Natural gas cost over recovery	161	0
Other current liabilities	101	(120)
Net cash provided from operating activities	2,900	3,579
Investing Activities:
Property additions	(3,898)	(3,213)
Nuclear decommissioning trust fund purchases	(726)	(628)
Nuclear decommissioning trust fund sales	720	624
Proceeds from dispositions	126	119
Cost of removal, net of salvage	(270)	(377)
Construction payables	(140)	(3)
Other investing activities	(100)	18
Net cash used for investing activities	(4,288)	(3,460)
Financing Activities:
Increase (decrease) in notes payable, net	(375)
Increase (decrease) in notes payable, net		263
Proceeds —
Long-term debt	5,541	2,200
Short-term borrowings	250	1,200
Common stock	22	61
Redemptions and repurchases —
Long-term debt	(1,300)	(1,851)
Short-term borrowings	(850)	(400)
Capital contributions from noncontrolling interests	21	73
Distributions to noncontrolling interests	(87)	(115)
Payment of common stock dividends	(1,506)	(1,425)
Other financing activities	(121)	(219)
Net cash provided from (used for) financing activities	1,595	(213)
Net Change in Cash, Cash Equivalents, and Restricted Cash	207	(94)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	2,037	1,829
Cash, Cash Equivalents, and Restricted Cash at End of Period	2,244	1,735
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	1,043	836
Income taxes, net	(40)	157
Noncash transactions —
Accrued property additions at end of period	810	837
Right-of-use assets obtained under operating leases	44	13
Right-of-use assets obtained under finance leases	1	2
Reassessment of right-of-use assets under operating leases	$ 0	$ 40