Condensed Consolidated Balance Sheets - Duke Energy Carolinas - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Current Assets
Cash and cash equivalents	$ 459	$ 253
Receivables of VIEs (net of allowance for doubtful accounts)	2,253	3,019
Receivables (net of allowance for doubtful accounts)	1,646	1,112
Inventory	4,281	4,292
Regulatory assets	3,082	3,648
Other (includes amounts related to VIEs)	359	431
Total current assets	12,091	12,769
Property, Plant and Equipment
Cost	173,926	171,353
Accumulated depreciation and amortization	(57,035)	(56,038)
Net property, plant and equipment	116,891	115,315
Other Noncurrent Assets
Regulatory assets	13,636	13,618
Nuclear decommissioning trust funds	10,775	10,143
Operating lease right-of-use assets, net	1,092	1,092
Other	4,072	3,964
Total other noncurrent assets	49,688	48,809
Total Assets	178,670	176,893
Current Liabilities
Accounts payable	3,364	4,228
Taxes accrued	708	816
Interest accrued	798	745
Current maturities of long-term debt	2,274	2,800
Asset retirement obligations	603	596
Regulatory liabilities	1,309	1,369
Other	2,084	2,319
Total current liabilities	15,546	17,283
Long-Term Debt (includes amounts related to VIEs)	74,979	72,452
Other Noncurrent Liabilities
Deferred income taxes	10,721	10,556
Asset retirement obligations	8,487	8,560
Regulatory liabilities	14,571	14,039
Operating lease liabilities	915	917
Accrued pension and other post-retirement benefit costs	473	485
Investment tax credits	862	864
Other	1,352	1,393
Total other noncurrent liabilities	37,507	36,971
Commitments and Contingencies
Equity
Accumulated other comprehensive income (loss)	109	(6)
Total Liabilities and Equity	178,670	176,893
Duke Energy Carolinas
Current Assets
Cash and cash equivalents	5	9
Receivables of VIEs (net of allowance for doubtful accounts)	245	265
Receivables (net of allowance for doubtful accounts)	997	991
Inventory	1,478	1,484
Regulatory assets	1,347	1,564
Other (includes amounts related to VIEs)	62	31
Total current assets	4,307	4,547
Property, Plant and Equipment
Cost	57,477	56,670
Accumulated depreciation and amortization	(20,210)	(19,896)
Net property, plant and equipment	37,267	36,774
Other Noncurrent Assets
Regulatory assets	3,850	3,916
Nuclear decommissioning trust funds	6,077	5,686
Operating lease right-of-use assets, net	75	78
Other	1,116	1,109
Total other noncurrent assets	11,118	10,789
Total Assets	52,692	52,110
Current Liabilities
Accounts payable	925	1,183
Taxes accrued	148	281
Interest accrued	161	179
Current maturities of long-term debt	520	19
Asset retirement obligations	236	224
Regulatory liabilities	574	587
Other	617	702
Total current liabilities	3,466	4,038
Long-Term Debt (includes amounts related to VIEs)	16,199	15,693
Other Noncurrent Liabilities
Deferred income taxes	4,329	4,379
Asset retirement obligations	3,779	3,789
Regulatory liabilities	6,302	5,990
Operating lease liabilities	72	75
Accrued pension and other post-retirement benefit costs	54	57
Investment tax credits	300	301
Other	554	581
Total other noncurrent liabilities	15,390	15,172
Commitments and Contingencies
Equity
Member's equity	17,343	16,913
Accumulated other comprehensive income (loss)	(6)	(6)
Total equity	17,337	16,907
Total Liabilities and Equity	52,692	52,110
Duke Energy Carolinas | Affiliated Entity
Current Assets
Receivables of VIEs (net of allowance for doubtful accounts)	173	203
Current Liabilities
Accounts payable	230	195
Notes payable to affiliated companies	55	668
Long-Term Debt (includes amounts related to VIEs)	$ 300	$ 300