Condensed Statements of Cash Flows (Unaudited) - APC - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating Activities:
Net income	$ 2,259	$ 1,622
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	2,572	2,436
Deferred income taxes	243	(34)
Pension, postretirement, and other employee benefits	(232)	(245)
Settlement of asset retirement obligations	(267)	(276)
Retail fuel cost under recovery – long-term	0	108
Other, net	(95)	(24)
Changes in certain current assets and liabilities —
Receivables	(284)	758
Fossil fuel stock	8	(308)
Prepayments	(49)	(64)
Retail fuel cost under recovery	421	(67)
Other current assets	(94)	40
Accounts payable	(247)	(997)
Accrued compensation	(372)	(378)
Other current liabilities	185	101
Net cash provided from operating activities	3,999	2,900
Investing Activities:
Property additions	(3,895)	(3,898)
Nuclear decommissioning trust fund purchases	(739)	(726)
Nuclear decommissioning trust fund sales	738	720
Cost of removal, net of salvage	(282)	(270)
Change in construction payables, net	(217)	(140)
Other investing activities	(172)	(100)
Net cash used for investing activities	(4,222)	(4,288)
Proceeds —
Short-term borrowings	700	250
Payment of common stock dividends	(1,487)	(1,506)
Other financing activities	(192)	(187)
Net cash provided from financing activities	513	1,595
Net Change in Cash, Cash Equivalents, and Restricted Cash	290	207
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	921	2,037
Cash, Cash Equivalents, and Restricted Cash at End of Period	1,211	2,244
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	1,235	1,043
Income taxes, net	62	(40)
Noncash transactions —
Accrued property additions at end of period	805	810
Right-of-use assets obtained under finance leases	0	1
Alabama Power
Operating Activities:
Net income	702	568
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	796	770
Deferred income taxes	(40)	(142)
Pension, postretirement, and other employee benefits	(93)	(91)
Settlement of asset retirement obligations	(117)	(116)
Retail fuel cost under recovery – long-term	0	236
Other, net	(21)	(60)
Changes in certain current assets and liabilities —
Receivables	(80)	16
Fossil fuel stock	9	(117)
Prepayments	(70)	(61)
Retail fuel cost under recovery	131	(44)
Other current assets	(47)	(68)
Accounts payable	(331)	(363)
Accrued taxes	96	183
Accrued compensation	(68)	(76)
Other current liabilities	10	21
Net cash provided from operating activities	877	656
Investing Activities:
Property additions	(829)	(865)
Nuclear decommissioning trust fund purchases	(328)	(150)
Nuclear decommissioning trust fund sales	328	150
Cost of removal, net of salvage	(77)	(83)
Change in construction payables, net	(36)	(79)
Other investing activities	(9)	16
Net cash used for investing activities	(951)	(1,011)
Financing Activities:
Increase in notes payable, net	40	0
Proceeds —
Senior notes	0	200
Short-term borrowings	50	0
Other long-term debt	4	17
Redemptions — Revenue bonds	(21)	0
Capital contributions from parent company	474	352
Payment of common stock dividends	(591)	(571)
Other financing activities	(2)	(9)
Net cash provided from financing activities	(46)	(11)
Net Change in Cash, Cash Equivalents, and Restricted Cash	(120)	(366)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	409	687
Cash, Cash Equivalents, and Restricted Cash at End of Period	289	321
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	213	192
Income taxes, net	208	52
Noncash transactions —
Accrued property additions at end of period	101	103
Right-of-use assets obtained under operating leases	10	21
Right-of-use assets obtained under finance leases	$ 0	$ 1