Condensed Statements of Cash Flows (Unaudited) - APC - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Operating Activities:
Net income	$ 3,794	$ 3,053
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	3,916	3,699
Deferred income taxes	520	(52)
Pension, postretirement, and other employee benefits	(391)	(397)
Settlement of asset retirement obligations	(405)	(444)
Other, net	(100)	(26)
Changes in certain current assets and liabilities —
Receivables	(233)	524
Fossil fuel stock	143	(254)
Retail fuel cost under recovery	843	513
Other current assets	(181)	(32)
Accounts payable	(161)	(1,031)
Accrued taxes	179	376
Accrued compensation	(90)	(197)
Other current liabilities	(27)	66
Net cash provided from operating activities	7,615	5,740
Investing Activities:
Property additions	(6,206)	(6,561)
Nuclear decommissioning trust fund purchases	(1,070)	(885)
Nuclear decommissioning trust fund sales	1,070	879
Cost of removal, net of salvage	(444)	(421)
Change in construction payables, net of joint owner portion	(119)	241
Other investing activities	(279)	(139)
Net cash used for investing activities	(6,678)	(6,721)
Financing Activities:
Increase (decrease) in notes payable, net	(1,264)	(298)
Proceeds —
Short-term borrowings	700	250
Redemptions —
Short-term borrowings	(1,020)	(850)
Payment of common stock dividends	(2,220)	(2,271)
Other financing activities	(157)	(120)
Net cash provided from (used for) financing activities	(803)	834
Net Change in Cash, Cash Equivalents, and Restricted Cash	134	(147)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	921	2,037
Cash, Cash Equivalents, and Restricted Cash at End of Period	1,055	1,890
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	2,015	1,694
Income taxes, net	131	11
Noncash transactions —
Accrued property additions at end of period	937	1,224
Right-of-use assets obtained under finance leases	1	3
Alabama Power
Operating Activities:
Net income	1,195	1,132
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	1,201	1,158
Deferred income taxes	(79)	(210)
Pension, postretirement, and other employee benefits	(151)	(148)
Settlement of asset retirement obligations	(184)	(188)
Other, net	24	(22)
Changes in certain current assets and liabilities —
Receivables	(115)	(108)
Fossil fuel stock	46	(113)
Prepayments	(44)	(30)
Retail fuel cost under recovery	236	334
Other current assets	(32)	(93)
Accounts payable	(304)	(358)
Accrued taxes	235	271
Accrued compensation	(26)	(46)
Other current liabilities	(19)	(57)
Net cash provided from operating activities	1,983	1,522
Investing Activities:
Property additions	(1,279)	(1,377)
Nuclear decommissioning trust fund purchases	(448)	(226)
Nuclear decommissioning trust fund sales	448	226
Cost of removal, net of salvage	(123)	(128)
Change in construction payables, net of joint owner portion	(32)	(68)
Other investing activities	(26)	27
Net cash used for investing activities	(1,460)	(1,546)
Financing Activities:
Increase (decrease) in notes payable, net	(40)
Increase in notes payable, net		0
Proceeds —
Senior notes	0	200
Revenue bonds	0	326
Short-term borrowings	50	0
Other long-term debt	6	28
Redemptions —
Revenue bonds	(21)	0
Short-term borrowings	(50)	0
Capital contributions from parent company	488	380
Payment of common stock dividends	(886)	(856)
Other financing activities	(3)	(12)
Net cash provided from (used for) financing activities	(456)	66
Net Change in Cash, Cash Equivalents, and Restricted Cash	67	42
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	409	687
Cash, Cash Equivalents, and Restricted Cash at End of Period	476	729
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	356	329
Income taxes, net	288	152
Noncash transactions —
Accrued property additions at end of period	106	114
Right-of-use assets obtained under operating leases	11	28
Right-of-use assets obtained under finance leases	$ 0	$ 3