Condensed Consolidated Balance Sheets - Duke Energy Ohio - 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
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
Goodwill	19,303	19,303
Regulatory assets	13,745	14,645
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
Other (includes $54 at 2023 related to VIEs)	1,325	1,502
Total other noncurrent liabilities	40,821	41,487
Commitments and Contingencies
Equity
Common stock	1	1
Additional paid-in capital	44,886	44,862
Retained earnings	2,036	2,637
Total equity	51,826	51,853
Total Liabilities and Equity	181,160	178,086
Duke Energy Ohio
Current Assets
Cash and cash equivalents	20	16
Receivables of VIEs (net of allowance for doubtful accounts)	97	73
Inventory	168	144
Regulatory assets	48	103
Other (includes amounts related to VIEs)	47	86
Total current assets	535	669
Property, Plant and Equipment
Cost	12,976	12,497
Accumulated depreciation and amortization	(3,385)	(3,250)
Net property, plant and equipment	9,591	9,247
Other Noncurrent Assets
Goodwill	920	920
Regulatory assets	655	581
Operating lease right-of-use assets, net	17	18
Other	76	71
Total other noncurrent assets	1,668	1,590
Total Assets	11,794	11,506
Current Liabilities
Accounts payable	322	380
Taxes accrued	247	317
Interest accrued	51	29
Current maturities of long-term debt	175	475
Asset retirement obligations	8	17
Regulatory liabilities	46	99
Other	72	74
Total current liabilities	1,265	1,960
Long-Term Debt (includes amounts related to VIEs)	3,492	2,745
Other Noncurrent Liabilities
Deferred income taxes	1,169	1,136
Asset retirement obligations	130	137
Regulatory liabilities	498	534
Operating lease liabilities	17	17
Accrued pension and other post-retirement benefit costs	91	90
Other (includes $54 at 2023 related to VIEs)	90	96
Total other noncurrent liabilities	1,995	2,010
Commitments and Contingencies
Equity
Common stock	762	762
Additional paid-in capital	3,100	3,100
Retained earnings	1,155	904
Total equity	5,017	4,766
Total Liabilities and Equity	11,794	11,506
Duke Energy Ohio | Affiliated Entity
Current Assets
Receivables of VIEs (net of allowance for doubtful accounts)	155	247
Current Liabilities
Accounts payable	71	72
Notes payable to affiliated companies	273	497
Long-Term Debt (includes amounts related to VIEs)	$ 25	$ 25