Condensed Statements of Cash Flows (Unaudited) - GPC - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Operating Activities:
Consolidated net income	$ 3,053	$ 3,566
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	3,699	3,084
Deferred income taxes	(52)	608
Allowance for equity funds used during construction	(200)	(163)
Pension, postretirement, and other employee benefits	(397)	(322)
Settlement of asset retirement obligations	(444)	(314)
Storm damage accruals	41	160
Retail fuel cost under recovery – long-term	(157)	(1,701)
Estimated loss on Plant Vogtle Units 3 and 4	160	(18)
Other, net	(67)	(119)
Changes in certain current assets and liabilities —
Receivables	524	(316)
Retail fuel cost under recovery	513	(104)
Fossil fuel stock	(254)	(76)
Materials and supplies	(271)	(138)
Other current assets	(32)	(310)
Accounts payable	(1,031)	805
Accrued taxes	376	167
Customer refunds	(177)	(52)
Other current liabilities	66	(82)
Net cash provided from operating activities	5,740	5,017
Investing Activities:
Property additions	(6,561)	(5,502)
Nuclear decommissioning trust fund purchases	(885)	(858)
Nuclear decommissioning trust fund sales	879	854
Cost of removal, net of salvage	(421)	(518)
Proceeds from dispositions	165	120
Other investing activities	(139)	(63)
Net cash used for investing activities	(6,721)	(5,952)
Proceeds —
Short-term borrowings	250	1,200
Redemptions and repurchases —
Short-term borrowings	(850)	(900)
Payment of common stock dividends	(2,271)	(2,166)
Other financing activities	(141)	(235)
Net cash provided from financing activities	834	1,119
Net Change in Cash, Cash Equivalents, and Restricted Cash	(147)	184
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	2,037	1,829
Cash, Cash Equivalents, and Restricted Cash at End of Period	1,890	2,013
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	1,694	1,425
Income taxes, net	11	160
Noncash transactions —
Accrued property additions at end of period	1,224	872
Right-of-use assets obtained under operating leases	76	27
Right-of-use assets obtained under finance leases	3	114
GEORGIA POWER CO
Operating Activities:
Consolidated net income	1,547	1,851
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	1,411	1,211
Deferred income taxes	102	266
Allowance for equity funds used during construction	(121)	(102)
Pension, postretirement, and other employee benefits	(207)	(178)
Settlement of asset retirement obligations	(228)	(149)
Storm damage accruals	24	160
Retail fuel cost under recovery – long-term	(157)	(1,287)
Estimated loss on Plant Vogtle Units 3 and 4	160	(18)
Other, net	(12)	(22)
Changes in certain current assets and liabilities —
Receivables	(311)	(321)
Retail fuel cost under recovery	204	0
Fossil fuel stock	(138)	(23)
Materials and supplies	(135)	(67)
Contract assets	(57)	(51)
Other current assets	16	(72)
Accounts payable	(142)	211
Accrued taxes	118	151
Customer refunds	(121)	1
Other current liabilities	16	(79)
Net cash provided from operating activities	1,969	1,482
Investing Activities:
Property additions	(3,501)	(2,556)
Nuclear decommissioning trust fund purchases	(659)	(585)
Nuclear decommissioning trust fund sales	654	581
Cost of removal, net of salvage	(191)	(250)
Change in construction payables, net of joint owner portion	338	148
Proceeds from dispositions	59	56
Other investing activities	(76)	(47)
Net cash used for investing activities	(3,376)	(2,653)
Financing Activities:
Increase in notes payable, net	50	415
Proceeds —
Proceeds — Senior notes	1,750	1,500
Short-term borrowings	250	650
Revenue bonds	229	0
Redemptions and repurchases —
Redemptions — Senior notes	(800)	(400)
Short-term borrowings	(650)	(250)
FFB loan	(64)	(66)
Revenue bonds	0	(53)
Other long-term debt	0	(125)
Capital contributions from parent company	1,837	813
Payment of common stock dividends	(1,392)	(1,268)
Other financing activities	(27)	(45)
Net cash provided from financing activities	1,183	1,171
Net Change in Cash, Cash Equivalents, and Restricted Cash	(224)	0
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	480	33
Cash, Cash Equivalents, and Restricted Cash at End of Period	256	33
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	439	332
Income taxes, net	74	151
Noncash transactions —
Accrued property additions at end of period	942	609
Right-of-use assets obtained under operating leases	17	7
Right-of-use assets obtained under finance leases	18	112
ALABAMA POWER CO
Operating Activities:
Consolidated net income	1,132	1,266
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	1,158	817
Deferred income taxes	(210)	210
Allowance for equity funds used during construction	(65)	(51)
Pension, postretirement, and other employee benefits	(148)	(85)
Settlement of asset retirement obligations	(188)	(139)
Retail fuel cost under recovery – long-term	0	(413)
Other, net	(21)	(98)
Changes in certain current assets and liabilities —
Receivables	(108)	(296)
Retail fuel cost under recovery	334	(93)
Fossil fuel stock	(113)	(40)
Other current assets	(124)	(75)
Accounts payable	(358)	(22)
Accrued taxes	271	110
Other current liabilities	(103)	(70)
Net cash provided from operating activities	1,522	1,072
Investing Activities:
Property additions	(1,377)	(1,483)
Nuclear decommissioning trust fund purchases	(226)	(273)
Nuclear decommissioning trust fund sales	226	273
Cost of removal, net of salvage	(128)	(163)
Other investing activities	27	(31)
Net cash used for investing activities	(1,546)	(1,641)
Proceeds —
Proceeds — Senior notes	200	1,700
Redemptions and repurchases —
Redemptions — Senior notes	0	(550)
Capital contributions from parent company	380	660
Payment of common stock dividends	(856)	(762)
Other financing activities	(12)	(81)
Net cash provided from financing activities	66	967
Net Change in Cash, Cash Equivalents, and Restricted Cash	42	398
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	687	1,060
Cash, Cash Equivalents, and Restricted Cash at End of Period	729	1,458
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	329	278
Income taxes, net	152	178
Noncash transactions —
Accrued property additions at end of period	114	186
Right-of-use assets obtained under finance leases	$ 3	$ 2