Condensed Consolidated Balance Sheets - Duke Energy Carolinas - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Current Assets
Cash and cash equivalents	$ 324	$ 409
Receivables of VIEs (net of allowance for doubtful accounts)	3,244	3,106
Receivables (net of allowance for doubtful accounts)	831	1,309
Inventory	4,118	3,584
Regulatory assets	3,489	3,485
Other (includes amounts related to VIEs)	602	973
Total current assets	13,048	13,222
Property, Plant and Equipment
Cost	170,941	163,839
Accumulated depreciation and amortization	(54,994)	(52,100)
Net property, plant and equipment	115,947	111,748
Other Noncurrent Assets
Regulatory assets	13,745	14,645
Nuclear decommissioning trust funds	9,245	8,637
Operating lease right-of-use assets, net	1,073	1,042
Other	3,698	3,400
Total other noncurrent assets	52,165	53,116
Total Assets	181,160	178,086
Current Liabilities
Accounts payable	3,539	4,754
Taxes accrued	991	722
Interest accrued	750	626
Current maturities of long-term debt	4,034	3,878
Asset retirement obligations	620	773
Regulatory liabilities	1,396	1,466
Other	2,087	2,167
Total current liabilities	17,160	18,873
Long-Term Debt (includes amounts related to VIEs)	71,353	65,873
Other Noncurrent Liabilities
Deferred income taxes	10,438	9,964
Asset retirement obligations	11,613	11,955
Regulatory liabilities	13,396	13,582
Operating lease liabilities	897	876
Accrued pension and other post-retirement benefit costs	662	832
Investment tax credits	856	849
Other (includes $54 at 2023 related to VIEs)	1,325	1,502
Total other noncurrent liabilities	40,821	41,487
Commitments and Contingencies
Equity
Accumulated other comprehensive loss	121	(140)
Total Liabilities and Equity	181,160	178,086
Variable Interest Entity
Current Assets
Regulatory assets	109	106
Other (includes amounts related to VIEs)	56	116
Other Noncurrent Assets
Regulatory assets	1,668	1,715
Other	43	52
Current Liabilities
Current maturities of long-term debt	428	350
Long-Term Debt (includes amounts related to VIEs)	3,025	3,108
Other Noncurrent Liabilities
Other (includes $54 at 2023 related to VIEs)	54
Duke Energy Carolinas
Current Assets
Cash and cash equivalents	19	44
Receivables of VIEs (net of allowance for doubtful accounts)	279	338
Receivables (net of allowance for doubtful accounts)	1,028	928
Inventory	1,422	1,164
Regulatory assets	1,447	1,095
Other (includes amounts related to VIEs)	86	216
Total current assets	4,446	4,175
Property, Plant and Equipment
Cost	56,888	54,650
Accumulated depreciation and amortization	(19,668)	(18,669)
Net property, plant and equipment	37,220	35,981
Other Noncurrent Assets
Regulatory assets	4,020	4,293
Nuclear decommissioning trust funds	5,156	4,783
Operating lease right-of-use assets, net	75	78
Other	1,087	1,036
Total other noncurrent assets	10,338	10,190
Total Assets	52,004	50,346
Current Liabilities
Accounts payable	1,015	1,472
Taxes accrued	350	228
Interest accrued	150	120
Current maturities of long-term debt	19	1,018
Asset retirement obligations	238	261
Regulatory liabilities	532	530
Other	597	580
Total current liabilities	3,453	5,651
Long-Term Debt (includes amounts related to VIEs)	15,676	12,948
Other Noncurrent Liabilities
Deferred income taxes	4,369	4,153
Asset retirement obligations	5,030	5,121
Regulatory liabilities	5,614	5,783
Operating lease liabilities	75	83
Accrued pension and other post-retirement benefit costs	60	38
Investment tax credits	302	300
Other (includes $54 at 2023 related to VIEs)	565	527
Total other noncurrent liabilities	16,015	16,005
Commitments and Contingencies
Equity
Member's equity	16,566	15,448
Accumulated other comprehensive loss	(6)	(6)
Total member's equity	16,560	15,442
Total Liabilities and Equity	52,004	50,346
Duke Energy Carolinas | Variable Interest Entity
Current Assets
Regulatory assets	12	12
Other (includes amounts related to VIEs)	5	8
Other Noncurrent Assets
Regulatory assets	199	208
Current Liabilities
Current maturities of long-term debt	11	10
Long-Term Debt (includes amounts related to VIEs)	708	689
Duke Energy Carolinas | Affiliated Entity
Current Assets
Receivables of VIEs (net of allowance for doubtful accounts)	165	390
Current Liabilities
Accounts payable	221	209
Notes payable to affiliated companies	331	1,233
Long-Term Debt (includes amounts related to VIEs)	$ 300	$ 300