Condensed Statements of Cash Flows (Unaudited) - GPC - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating Activities:
Net income (loss)	$ 799	$ 991
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	1,233	989
Allowance for equity funds used during construction	(65)	(51)
Pension, postretirement, and other employee benefits	(126)	(123)
Settlement of asset retirement obligations	(113)	(87)
Retail fuel cost under recovery – long-term	454	(130)
Other, net	51	79
Changes in certain current assets and liabilities —
Receivables	319	(217)
Fossil fuel stock	(203)	39
Materials and supplies	(98)	(28)
Other current assets	143	8
Accounts payable	(1,056)	132
Accrued taxes	(237)	(58)
Accrued compensation	(478)	(470)
Accrued interest	(127)	(128)
Other current liabilities	(28)	35
Net cash provided from operating activities	844	1,592
Investing Activities:
Property additions	(1,850)	(1,419)
Nuclear decommissioning trust fund purchases	(256)	(294)
Nuclear decommissioning trust fund sales	251	289
Cost of removal, net of salvage	(135)	(227)
Proceeds from dispositions	103	91
Other investing activities	(91)	(18)
Net cash used for investing activities	(2,118)	(1,555)
Financing Activities:
Increase in notes payable, net	187	137
Proceeds —
Short-term borrowings	100	850
Redemptions and repurchases —
Short-term borrowings	(400)	(100)
Payment of common stock dividends	(742)	(702)
Other financing activities	(83)	(115)
Net cash provided from (used for) financing activities	454	(193)
Net Change in Cash, Cash Equivalents, and Restricted Cash	(820)	(156)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	2,037	1,829
Cash, Cash Equivalents, and Restricted Cash at End of Period	1,217	1,673
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	652	515
Noncash transactions —
Noncash transactions — Accrued property additions at end of period	833	863
Right-of-use assets obtained under operating leases	26	3
GEORGIA POWER CO
Operating Activities:
Net income (loss)	296	385
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	455	397
Deferred income taxes	57	(6)
Allowance for equity funds used during construction	(40)	(32)
Pension, postretirement, and other employee benefits	(64)	(63)
Settlement of asset retirement obligations	(54)	(41)
Storm damage accruals	8	53
Retail fuel cost under recovery – long-term	354	(84)
Other, net	(40)	(54)
Changes in certain current assets and liabilities —
Receivables	(136)	0
Fossil fuel stock	(107)	18
Materials and supplies	(46)	(11)
Other current assets	6	(20)
Accounts payable	(293)	39
Accrued taxes	(266)	(78)
Accrued compensation	(85)	(79)
Customer refunds	(103)	2
Accrued interest	(23)	(43)
Other current liabilities	28	(22)
Net cash provided from operating activities	(53)	361
Investing Activities:
Property additions	(1,042)	(749)
Nuclear decommissioning trust fund purchases	(169)	(221)
Nuclear decommissioning trust fund sales	164	217
Cost of removal, net of salvage	(64)	(140)
Change in construction payables, net of joint owner portion	(27)	14
Proceeds from dispositions	56	56
Other investing activities	(35)	14
Net cash used for investing activities	(1,117)	(809)
Financing Activities:
Increase in notes payable, net	465	410
Proceeds —
Revenue bonds	229	0
Short-term borrowings	100	450
Redemptions and repurchases —
Senior notes	0	(400)
FFB loan	(21)	(24)
Short-term borrowings	(200)	0
Capital contributions from parent company	750	445
Payment of common stock dividends	(464)	(423)
Other financing activities	(9)	(17)
Net cash provided from (used for) financing activities	850	441
Net Change in Cash, Cash Equivalents, and Restricted Cash	(320)	(7)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	480	33
Cash, Cash Equivalents, and Restricted Cash at End of Period	160	26
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	159	139
Noncash transactions —
Noncash transactions — Accrued property additions at end of period	548	459
Right-of-use assets obtained under operating leases	$ 3	$ 1