Condensed Statements of Cash Flows (Unaudited) - GPC - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating Activities:
Net income (loss)	$ 991	$ 1,107
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	989	964
Deferred income taxes	40	140
Pension, postretirement, and other employee benefits	(123)	(78)
Settlement of asset retirement obligations	(87)	(109)
Storm damage accruals	52	54
Retail fuel cost under recovery – long-term	(130)	0
Estimated loss on Plant Vogtle Units 3 and 4	0	48
Other, net	7	114
Changes in certain current assets and liabilities —
-Receivables	(217)	308
-Other current assets	87	90
-Accounts payable	132	(216)
-Accrued taxes	(58)	(212)
-Accrued compensation	(470)	(417)
-Accrued interest	(128)	(90)
-Other current liabilities	35	(63)
Net cash provided from operating activities	1,592	1,242
Investing Activities:
Property additions	(1,419)	(1,678)
Nuclear decommissioning trust fund purchases	(294)	(550)
Nuclear decommissioning trust fund sales	289	546
Cost of removal, net of salvage	(227)	(85)
Other investing activities	110	45
Net cash used for investing activities	(1,555)	(2,243)
Financing Activities:
Increase in notes payable	137	182
Proceeds —
Short-term borrowings	850	325
Redemptions and repurchases —
Payment of common stock dividends	(702)	(678)
Other financing activities	(115)	(117)
Net cash provided from (used for) financing activities	(193)	1,734
Net Change in Cash, Cash Equivalents, and Restricted Cash	(156)	733
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	1,829	1,068
Cash, Cash Equivalents, and Restricted Cash at End of Period	1,673	1,801
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	515	519
Noncash transactions —
Accrued property additions at year-end	863	872
Georgia Power
Operating Activities:
Net income (loss)	385	351
Adjustments to reconcile net income to net cash provided from operating activities —
Depreciation and amortization, total	397	384
Deferred income taxes	(6)	(86)
Pension, postretirement, and other employee benefits	(63)	(43)
Settlement of asset retirement obligations	(41)	(49)
Storm damage accruals	53	53
Retail fuel cost under recovery – long-term	(84)	0
Estimated loss on Plant Vogtle Units 3 and 4	0	48
Other, net	(85)	(19)
Changes in certain current assets and liabilities —
-Receivables	0	176
-Prepaid income taxes	(36)	0
-Other current assets	22	4
-Accounts payable	39	(74)
-Accrued taxes	(78)	(110)
-Accrued compensation	(79)	(68)
-Accrued interest	(43)	(34)
-Other current liabilities	(20)	(44)
Net cash provided from operating activities	361	489
Investing Activities:
Property additions	(749)	(775)
Nuclear decommissioning trust fund purchases	(221)	(241)
Nuclear decommissioning trust fund sales	217	236
Cost of removal, net of salvage	(140)	(40)
Change in construction payables	14	(103)
Proceeds from dispositions	56	1
Other investing activities	14	9
Net cash used for investing activities	(809)	(913)
Financing Activities:
Increase in notes payable	410	145
Proceeds —
Senior notes	0	750
Short-term borrowings	450	0
Redemptions and repurchases —
Senior notes	(400)	(325)
FFB loan	(24)	(25)
Capital contributions from parent company	445	330
Payment of common stock dividends	(423)	(412)
Other financing activities	(17)	(19)
Net cash provided from (used for) financing activities	441	444
Net Change in Cash, Cash Equivalents, and Restricted Cash	(7)	20
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	33	9
Cash, Cash Equivalents, and Restricted Cash at End of Period	26	29
Supplemental Cash Flow Information:
Interest, net of amounts capitalized	139	128
Noncash transactions —
Accrued property additions at year-end	459	445
Right-of-use assets obtained under operating leases	$ 1	$ 3