Condensed Consolidated Statements of Cash Flows - Duke Energy Carolinas - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income Attributable to Duke Energy Corporation		$ 3,186	$ 3,162
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion (including amortization of nuclear fuel)		4,414	4,189
Equity component of AFUDC		(151)	(126)
Impairment of assets and other charges		202	342
Deferred income taxes		209	206
Equity in earnings of unconsolidated affiliates		(87)	(14)
Contributions to qualified pension plans		(58)
Payments for asset retirement obligations		(418)	(389)
Provision for rate refunds		(97)	(41)
(Increase) decrease in
Net realized and unrealized mark-to-market and hedging transactions		33	116
Receivables		(356)	(167)
Inventory		(290)	268
Other current assets(a)	[1]	(2,403)	(643)
Increase (decrease) in
Accounts payable		504	(146)
Taxes accrued		206	431
Other current liabilities		263	10
Other assets		(84)	199
Other liabilities		188	77
Net cash provided by operating activities		5,188	7,227
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures		(8,148)	(7,089)
Purchases of debt and equity securities		(3,619)	(4,292)
Proceeds from sales and maturities of debt and equity securities		3,691	4,335
Other		(517)	(269)
Net cash used in investing activities		(8,630)	(8,200)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from the issuance of long-term debt		9,466	6,379
Payments for the redemption of long-term debt		(3,803)	(3,696)
Other		(124)	(21)
Net cash provided by financing activities		3,551	1,160
Net increase in cash, cash equivalents and restricted cash		109	187
Cash, cash equivalents and restricted cash at beginning of period		520	556
Cash, cash equivalents and restricted cash at end of period		629	743
Significant non-cash transactions:
Accrued capital expenditures		1,387	998
Duke Energy Carolinas
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income Attributable to Duke Energy Corporation		1,292	1,070
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion (including amortization of nuclear fuel)		1,335	1,295
Equity component of AFUDC		(75)	(46)
Gains on sales of other assets			(1)
Impairment of assets and other charges		(3)	238
Deferred income taxes		230	(146)
Contributions to qualified pension plans		(15)
Payments for asset retirement obligations		(137)	(132)
Provision for rate refunds		(55)	(29)
(Increase) decrease in
Net realized and unrealized mark-to-market and hedging transactions			(1)
Receivables		(17)	(172)
Receivables from affiliated companies		(107)	39
Inventory		(86)	41
Other current assets(a)	[2]	(1,139)	(153)
Increase (decrease) in
Accounts payable		104	(254)
Accounts payable to affiliated companies		(88)	(15)
Taxes accrued		(9)	315
Other current liabilities		279	72
Other assets		22	52
Other liabilities		(269)	167
Net cash provided by operating activities		1,262	2,340
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures		(2,313)	(1,947)
Purchases of debt and equity securities		(2,083)	(2,465)
Proceeds from sales and maturities of debt and equity securities		2,083	2,465
Other		(185)	(122)
Net cash used in investing activities		(2,498)	(2,069)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from the issuance of long-term debt		1,352	1,367
Payments for the redemption of long-term debt		(389)	(616)
Notes receivable from affiliated companies		358	(421)
Distributions to parent		(50)	(600)
Other		(1)	(1)
Net cash provided by financing activities		1,270	(271)
Net increase in cash, cash equivalents and restricted cash		34
Cash, cash equivalents and restricted cash at beginning of period		8	21
Cash, cash equivalents and restricted cash at end of period		42	21
Significant non-cash transactions:
Accrued capital expenditures		$ 460	$ 308

[1] Includes approximately $2.2 billion of under-collected deferred fuel regulatory assets for the nine months ended September 30, 2022

[2] Includes approximately $1.1 billion of under-collected deferred fuel regulatory assets for the nine months ended September 30, 2022