Condensed Consolidated Balance Sheets - Duke Energy Florida - 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 Florida
Current Assets
Cash and cash equivalents	41	45
Receivables of VIEs (net of allowance for doubtful accounts)	80	148
Receivables (net of allowance for doubtful accounts)	766	496
Inventory	662	573
Regulatory assets	749	1,143
Other (includes amounts related to VIEs)	129	108
Total current assets	2,430	2,515
Property, Plant and Equipment
Cost	27,581	25,940
Accumulated depreciation and amortization	(6,896)	(6,377)
Net property, plant and equipment	20,685	19,563
Other Noncurrent Assets
Regulatory assets	2,042	2,422
Nuclear decommissioning trust funds	393	424
Operating lease right-of-use assets, net	302	258
Other	463	372
Total other noncurrent assets	3,200	3,476
Total Assets	26,315	25,554
Current Liabilities
Accounts payable	698	880
Taxes accrued	342	53
Interest accrued	104	80
Current maturities of long-term debt	1,194	328
Asset retirement obligations	1	1
Regulatory liabilities	224	244
Other	349	363
Total current liabilities	3,358	2,731
Long-Term Debt (includes amounts related to VIEs)	8,726	9,381
Other Noncurrent Liabilities
Deferred income taxes	2,771	2,789
Asset retirement obligations	307	357
Regulatory liabilities	664	633
Operating lease liabilities	250	211
Accrued pension and other post-retirement benefit costs	100	111
Investment tax credits	233	234
Other (includes $54 at 2023 related to VIEs)	70	84
Total other noncurrent liabilities	4,395	4,419
Commitments and Contingencies
Equity
Member's equity	9,842	9,031
Accumulated other comprehensive loss	(6)	(8)
Total member's equity	9,836	9,023
Total Liabilities and Equity	26,315	25,554
Duke Energy Florida | Variable Interest Entity
Current Assets
Regulatory assets	58	55
Other (includes amounts related to VIEs)	24	46
Other Noncurrent Assets
Regulatory assets	816	826
Current Liabilities
Current maturities of long-term debt	383	306
Long-Term Debt (includes amounts related to VIEs)	832	890
Other Noncurrent Liabilities
Other (includes $54 at 2023 related to VIEs)	11
Duke Energy Florida | Affiliated Entity
Current Assets
Receivables of VIEs (net of allowance for doubtful accounts)	3	2
Current Liabilities
Accounts payable	154	177
Notes payable to affiliated companies	292	605
Duke Energy Progress
Current Assets
Cash and cash equivalents	27	49
Receivables of VIEs (net of allowance for doubtful accounts)	129	167
Receivables (net of allowance for doubtful accounts)	831	793
Inventory	1,141	1,006
Regulatory assets	946	690
Other (includes amounts related to VIEs)	49	174
Total current assets	3,155	2,904
Property, Plant and Equipment
Cost	40,283	38,875
Accumulated depreciation and amortization	(14,869)	(14,201)
Net property, plant and equipment	25,414	24,674
Other Noncurrent Assets
Regulatory assets	4,406	4,724
Nuclear decommissioning trust funds	3,697	3,430
Operating lease right-of-use assets, net	329	370
Other	693	650
Total other noncurrent assets	9,125	9,174
Total Assets	37,694	36,752
Current Liabilities
Accounts payable	502	601
Taxes accrued	255	77
Interest accrued	86	101
Current maturities of long-term debt	71	369
Asset retirement obligations	260	288
Regulatory liabilities	290	332
Other	452	384
Total current liabilities	2,859	2,898
Long-Term Debt (includes amounts related to VIEs)	11,497	10,568
Other Noncurrent Liabilities
Deferred income taxes	2,558	2,477
Asset retirement obligations	5,362	5,535
Regulatory liabilities	4,120	4,120
Operating lease liabilities	298	335
Accrued pension and other post-retirement benefit costs	150	160
Investment tax credits	130	124
Other (includes $54 at 2023 related to VIEs)	84	76
Total other noncurrent liabilities	12,702	12,827
Commitments and Contingencies
Equity
Total member's equity	10,486	10,309
Total Liabilities and Equity	37,694	36,752
Duke Energy Progress | Variable Interest Entity
Current Assets
Regulatory assets	39	39
Other (includes amounts related to VIEs)	18	42
Other Noncurrent Assets
Regulatory assets	653	681
Current Liabilities
Current maturities of long-term debt	34	34
Long-Term Debt (includes amounts related to VIEs)	1,079	1,114
Other Noncurrent Liabilities
Other (includes $54 at 2023 related to VIEs)	19
Duke Energy Progress | Affiliated Entity
Current Assets
Receivables of VIEs (net of allowance for doubtful accounts)	32	25
Current Liabilities
Accounts payable	252	508
Notes payable to affiliated companies	691	238
Long-Term Debt (includes amounts related to VIEs)	$ 150	$ 150