Condensed Consolidated Statements of Cash Flows - Duke Energy Progress - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ 4,614	$ 2,874	$ 2,455
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion (including amortization of nuclear fuel)	6,419	6,084	5,843
Equity component of AFUDC	(233)	(198)	(197)
Impairment of assets and other charges	38	85	434
Deferred income taxes	987	3	(200)
Contributions to qualified pension plans	(100)	(100)	(58)
Payments for asset retirement obligations	(545)	(632)	(584)
Provision for rate refunds	(27)	(63)	(130)
(Increase) decrease in
Receivables	(23)	443	(788)
Inventory	(212)	(706)	(476)
Other current assets	885	(267)	(1,498)
Increase (decrease) in
Accounts payable	1,329	(800)	805
Taxes accrued	32	126	10
Other current liabilities	(11)	(26)	(153)
Other assets	(1,170)	914	(1,577)
Other liabilities	451	584	410
Net cash provided by operating activities	12,328	9,878	5,927
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(12,280)	(12,604)	(11,367)
Purchases of debt and equity securities	(5,703)	(3,761)	(4,243)
Proceeds from sales and maturities of debt and equity securities	5,803	3,824	4,333
Other	(1,009)	(799)	(727)
Net cash used in investing activities	(13,123)	(12,475)	(11,973)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from the issuance of long-term debt	8,956	10,028	11,874
Payments for the redemption of long-term debt	(3,357)	(4,737)	(4,396)
Other	(52)	(124)	(130)
Net cash provided by financing activities	859	2,351	6,129
Net increase (decrease) in cash, cash equivalents and restricted cash	64	(246)	83
Cash, cash equivalents and restricted cash at beginning of period	357	603	520
Cash, cash equivalents and restricted cash at end of period	421	357	603
Supplemental Disclosures:
Cash paid for interest, net of amount capitalized	3,284	2,883	2,361
Cash paid for (received from) income taxes, net (includes transferable tax credit sale proceeds of $558, $28 and $0, respectively)	(400)	1	(6)
Significant non-cash transactions:
Accrued capital expenditures	1,909	1,908	1,766
Duke Energy Progress
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	1,164	998	1,008
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion (including amortization of nuclear fuel)	1,520	1,460	1,371
Equity component of AFUDC	(61)	(52)	(52)
Impairment of assets and other charges	6	29	7
Deferred income taxes	(224)	(53)	121
Contributions to qualified pension plans	(14)	(13)	(8)
Payments for asset retirement obligations	(197)	(249)	(193)
Provision for rate refunds	(2)	(24)	(58)
(Increase) decrease in
Receivables	(11)	(10)	(228)
Receivables from affiliated companies	6	9	58
Inventory	(114)	(221)	(85)
Other current assets	375	(252)	(207)
Increase (decrease) in
Accounts payable	63	(26)	20
Accounts payable to affiliated companies	(26)	(176)	198
Taxes accrued	217	99	(86)
Other current liabilities	133	13	13
Other assets	(426)	173	(416)
Other liabilities	81	29	38
Net cash provided by operating activities	2,490	1,734	1,501
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(2,803)	(2,387)	(2,070)
Purchases of debt and equity securities	(2,480)	(1,406)	(1,148)
Proceeds from sales and maturities of debt and equity securities	2,480	1,402	1,138
Other	(172)	(144)	(29)
Net cash used in investing activities	(2,975)	(2,535)	(2,109)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from the issuance of long-term debt	855	991	1,477
Payments for the redemption of long-term debt	(72)	(369)	(645)
Notes payable to affiliated companies	(280)	652	67
Distributions to parent	0	(500)	(250)
Other	0	(1)	(1)
Net cash provided by financing activities	503	773	648
Net increase (decrease) in cash, cash equivalents and restricted cash	18	(28)	40
Cash, cash equivalents and restricted cash at beginning of period	51	79	39
Cash, cash equivalents and restricted cash at end of period	69	51	79
Supplemental Disclosures:
Cash paid for interest, net of amount capitalized	522	447	386
Cash paid for (received from) income taxes, net (includes transferable tax credit sale proceeds of $558, $28 and $0, respectively)	192	73	157
Significant non-cash transactions:
Accrued capital expenditures	$ 374	$ 313	$ 269