Condensed Consolidated Balance Sheets - Duke Energy Indiana - 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
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
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
Duke Energy Indiana
Current Assets
Cash and cash equivalents	14	31
Receivables of VIEs (net of allowance for doubtful accounts)	117	112
Inventory	600	489
Regulatory assets	93	249
Other	59	197
Total current assets	1,037	1,376
Property, Plant and Equipment
Cost	18,638	18,121
Accumulated depreciation and amortization	(6,359)	(6,021)
Net property, plant and equipment	12,279	12,100
Other Noncurrent Assets
Regulatory assets	899	875
Operating lease right-of-use assets, net	47	49
Other	323	254
Total other noncurrent assets	1,269	1,178
Total Assets	14,585	14,654
Current Liabilities
Accounts payable	277	391
Taxes accrued	88	92
Interest accrued	74	48
Current maturities of long-term debt	3	303
Asset retirement obligations	114	207
Regulatory liabilities	205	187
Other	157	161
Total current liabilities	1,229	2,030
Long-Term Debt (includes amounts related to VIEs)	4,351	3,854
Other Noncurrent Liabilities
Deferred income taxes	1,352	1,299
Asset retirement obligations	728	744
Regulatory liabilities	1,478	1,454
Operating lease liabilities	45	47
Accrued pension and other post-retirement benefit costs	116	122
Investment tax credits	186	186
Other (includes $54 at 2023 related to VIEs)	14	65
Total other noncurrent liabilities	3,919	3,917
Commitments and Contingencies
Equity
Member's equity	4,935	4,702
Accumulated other comprehensive loss	1	1
Total member's equity	4,936	4,703
Total Liabilities and Equity	14,585	14,654
Duke Energy Indiana | Affiliated Entity
Current Assets
Receivables of VIEs (net of allowance for doubtful accounts)	154	298
Current Liabilities
Accounts payable	111	206
Notes payable to affiliated companies	200	435
Long-Term Debt (includes amounts related to VIEs)	$ 150	$ 150