Condensed Consolidated Statements of Changes in Equity - Progress Energy - USD ($) $ in Millions	Total		Common Stockholders' Equity	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Income, Net Unrealized (Losses) Gains on Available-for-Sale-Securities	Accumulated Other Comprehensive (Loss) Income, Pension and OPEB Adjustments	Noncontrolling Interests	Progress Energy	Progress Energy Common Stockholders' Equity	Progress Energy Additional Paid-in Capital	Progress Energy Retained Earnings	Progress Energy Accumulated Other Comprehensive (Loss) Income, Net (Losses) Gains on Cash Flow Hedges	Progress Energy Accumulated Other Comprehensive (Loss) Income, Net Unrealized (Losses) Gains on Available-for-Sale-Securities	Progress Energy Accumulated Other Comprehensive (Loss) Income, Pension and OPEB Adjustments	Progress Energy Noncontrolling Interests
Beginning Balance at Dec. 31, 2020	$ 49,184		$ 47,964	$ 43,767	$ 2,471	$ 6	$ (76)	$ 1,220	$ 16,241	$ 16,237	$ 9,143	$ 7,109	$ (5)	$ (2)	$ (8)	$ 4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,915								1,334	1,333		1,333				1
Other comprehensive (loss) income	(53)	[1]	(60)			(6)	3	7	2	2			2
Common stock dividends	(2,248)		(2,248)		(2,248)				(700)	(700)		(700)
Distributions to noncontrolling interests	(34)							(34)	(1)							(1)
Other	1		(1)	(1)	0			2	6	7	6	1				(1)
Ending Balance at Sep. 30, 2021	51,240		49,307	44,348	3,293		(73)	1,933	16,882	16,879	9,149	7,743	(3)	(2)	(8)	3
Beginning Balance at Jun. 30, 2021	49,545		48,132	43,788	2,687	2	(74)	1,413	16,942	16,939	9,143	7,809	(4)	(2)	(7)	3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,276								633	632		632				1
Other comprehensive (loss) income	10	[1]	9			(2)	1	1	0				1		(1)
Common stock dividends	(760)		(760)		(760)				(700)	(700)		(700)
Distributions to noncontrolling interests	(22)							(22)
Other	1		(2)	(2)				3	7	8	6	2				(1)
Ending Balance at Sep. 30, 2021	51,240		49,307	44,348	3,293		(73)	1,933	16,882	16,879	9,149	7,743	(3)	(2)	(8)	3
Beginning Balance at Dec. 31, 2021	51,136		49,296	44,371	3,265	(2)	(69)	1,840	17,148	17,145	9,149	8,007	(2)	(2)	(7)	3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,113								1,499	1,498		1,498				1
Other comprehensive (loss) income	242	[1]	225			(20)	(3)	17	(3)	(3)			1	(4)
Common stock dividends	(2,297)		(2,297)		(2,297)				(250)	(250)		(250)
Distributions to noncontrolling interests	(92)							(92)	(34)							(34)
Equitization of certain notes payable to affiliates									2,906	2,906	475	2,431
Other	3		3	2	1				3	3	2	1
Ending Balance at Sep. 30, 2022	52,169		50,345	44,397	4,063	(22)	(72)	1,824	21,269	21,299	9,626	11,687	(1)	(6)	(7)	(30)
Beginning Balance at Jun. 30, 2022	51,584		49,720	44,373	3,457	(23)	(65)	1,864	20,140	20,137	9,149	11,001	(1)	(5)	(7)	3
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,413								686	686		686
Other comprehensive (loss) income	0		(5)			1	(7)	5	(1)	(1)				(1)
Common stock dividends	(776)		(776)		(776)
Distributions to noncontrolling interests	(42)							(42)	(33)							(33)
Equitization of certain notes payable to affiliates									475	475	475
Other	2		2	3	(1)				2	2	2
Ending Balance at Sep. 30, 2022	$ 52,169		$ 50,345	$ 44,397	$ 4,063	$ (22)	$ (72)	$ 1,824	$ 21,269	$ 21,299	$ 9,626	$ 11,687	$ (1)	$ (6)	$ (7)	$ (30)

[1] Net of income tax expense of approximately $72 million for the nine months ended September, 30, 2022 and income tax benefit of $16 million for the nine months ended September 30, 2021. All other periods presented include immaterial income tax impacts.