Condensed Statements of Cash Flows (Unaudited) - APC - 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
Pension, postretirement, and other employee benefits	(322)	(218)
Settlement of asset retirement obligations	(314)	(341)
Other, net	(45)	156
Changes in certain current assets and liabilities —
Receivables	(327)	2
Retail fuel cost over recovery	(1)	(150)
Other current assets	(343)	(180)
Accounts payable	805	(45)
Accrued taxes	167	288
Other current liabilities	(32)	(226)
Net cash provided from operating activities	5,017	5,081
Investing Activities:
Property additions	(5,502)	(5,222)
Nuclear decommissioning trust fund purchases	(858)	(1,301)
Nuclear decommissioning trust fund sales	854	1,297
Cost of removal, net of salvage	(518)	(282)
Other investing activities	73	(12)
Net cash used for investing activities	(5,952)	(5,850)
Redemptions and repurchases —
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
Right-of-use assets obtained under leases	141	92
Alabama Power
Operating Activities:
Net income (loss)	1,266	1,200
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	817	748
Deferred income taxes	210	104
Pension, postretirement, and other employee benefits	(85)	(74)
Settlement of asset retirement obligations	(139)	(152)
Retail fuel cost under recovery – long-term	(413)	0
Other, net	(98)	(51)
Changes in certain current assets and liabilities —
Receivables	(296)	(128)
Fossil fuel stock	(40)	91
Prepayments	(34)	(24)
Retail fuel cost over recovery	(93)	(79)
Other current assets	(41)	(32)
Accounts payable	(22)	(230)
Accrued taxes	110	178
Other current liabilities	(70)	(132)
Net cash provided from operating activities	1,072	1,419
Investing Activities:
Property additions	(1,483)	(1,235)
Nuclear decommissioning trust fund purchases	(273)	(536)
Nuclear decommissioning trust fund sales	273	536
Cost of removal, net of salvage	(163)	(93)
Other investing activities	5	(7)
Net cash used for investing activities	(1,641)	(1,335)
Proceeds —
Proceeds — Senior notes	1,700	600
Redemptions and repurchases —
Senior notes	(550)	(200)
Other long-term debt	0	(206)
Capital contributions from parent company	660	630
Payment of common stock dividends	(762)	(738)
Other financing activities	(81)	(30)
Net cash provided from financing activities	967	56
Net Change in Cash, Cash Equivalents, and Restricted Cash	398	140
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	1,060	530
Cash, Cash Equivalents, and Restricted Cash at End of Period	1,458	670
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	278	246
Income taxes, net	178	183
Noncash transactions —
Accrued property additions at year-end	186	178
Right-of-use assets obtained under leases	$ 9	$ 2