Condensed Statements of Cash Flows (Unaudited) - APC - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Operating Activities:
Net income	$ 2,214	$ 2,332
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	2,860	2,572
Deferred income taxes	453	247
Pension, postretirement, and other employee benefits	(253)	(232)
Settlement of asset retirement obligations	(285)	(267)
Other, net	76	(116)
Changes in certain current assets and liabilities —
Receivables	(130)	(284)
Prepayments	(109)	(49)
Retail fuel cost under recovery	158	421
Other current assets	61	(86)
Accounts payable	(695)	(247)
Accrued taxes	(245)	(19)
Accrued compensation	(421)	(372)
Customer refunds	(80)	(26)
Other current liabilities	26	204
Net cash provided from operating activities	3,431	3,999
Investing Activities:
Property additions	(5,237)	(3,895)
Nuclear decommissioning trust fund purchases	(777)	(739)
Nuclear decommissioning trust fund sales	777	738
Cost of removal, net of salvage	(304)	(282)
Change in construction payables, net of joint owner portion	(42)	(217)
Other investing activities	(153)	(172)
Net cash used for investing activities	(5,734)	(4,222)
Proceeds —
Short-term borrowings	200	700
Redemptions —
Payment of common stock dividends	(1,494)	(1,487)
Other financing activities	(150)	(135)
Net cash provided from financing activities	2,467	513
Net Change in Cash, Cash Equivalents, and Restricted Cash	164	290
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	1,101	921
Cash, Cash Equivalents, and Restricted Cash at End of Period	1,265	1,211
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	1,287	1,235
Income taxes, net	199	62
Noncash transactions —
Accrued property additions at end of period	1,091	805
Right-of-use assets obtained under finance leases	14	0
Alabama Power
Operating Activities:
Net income	755	702
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	803	796
Deferred income taxes	116	(40)
Pension, postretirement, and other employee benefits	(89)	(93)
Settlement of asset retirement obligations	(120)	(117)
Retail fuel cost under recovery – long-term	(62)	0
Other, net	(44)	(20)
Changes in certain current assets and liabilities —
Receivables	(94)	(80)
Fossil fuel stock	32	9
Prepayments	(89)	(70)
Retail fuel cost under recovery	0	131
Other current assets	(40)	(47)
Accounts payable	(251)	(331)
Accrued taxes	25	96
Accrued compensation	(93)	(68)
Customer refunds	(110)	(22)
Other current liabilities	(61)	31
Net cash provided from operating activities	678	877
Investing Activities:
Property additions	(1,034)	(829)
Nuclear decommissioning trust fund purchases	(270)	(328)
Nuclear decommissioning trust fund sales	270	328
Cost of removal, net of salvage	(92)	(77)
Change in construction payables, net of joint owner portion	(32)	(36)
Other investing activities	(11)	(9)
Net cash used for investing activities	(1,169)	(951)
Financing Activities:
Increase in notes payable, net	0	40
Proceeds —
Senior notes	600	0
Short-term borrowings	0	50
Other long-term debt	4	4
Redemptions —
Senior notes	(250)	0
Revenue bonds	0	(21)
Capital contributions from parent company	562	474
Payment of common stock dividends	(609)	(591)
Other financing activities	(7)	(2)
Net cash provided from financing activities	300	(46)
Net Change in Cash, Cash Equivalents, and Restricted Cash	(191)	(120)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	585	409
Cash, Cash Equivalents, and Restricted Cash at End of Period	394	289
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	205	213
Income taxes, net	217	208
Noncash transactions —
Accrued property additions at end of period	116	101
Right-of-use assets obtained under operating leases	7	10
Right-of-use assets obtained under finance leases	$ 1	$ 0