Condensed Consolidated Balance Sheets - Duke Energy Indiana - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Current Assets
Cash and cash equivalents	$ 253	$ 409
Receivables of VIEs (net of allowance for doubtful accounts)	1,112	1,309
Inventory (includes $462 at 2023 related to VIEs)	4,292	3,584
Regulatory assets	3,648	3,485
Total current assets	12,769	13,222
Property, Plant and Equipment
Cost	171,351	163,839
Accumulated depreciation and amortization	(56,038)	(52,100)
Net property, plant and equipment	115,315	111,748
Other Noncurrent Assets
Other Noncurrent Assets: Regulatory assets	13,618	14,645
Operating lease right-of-use assets, net	1,092	1,042
Other (including amounts related to VIEs)	3,964	3,400
Total other noncurrent assets	48,809	53,116
Total Assets	176,893	178,086
Current Liabilities
Accounts payable (includes $188 at 2023 related to VIEs)	4,228	4,754
Taxes accrued	816	722
Interest accrued	745	626
Current maturities of long-term debt	2,800	3,878
Asset retirement obligations	596	773
Regulatory liabilities	1,369	1,466
Other	2,319	2,167
Total current liabilities	17,283	18,873
Long-Term Debt (includes amounts related to VIEs)	72,452	65,873
Other Noncurrent Liabilities
Deferred income taxes	10,556	9,964
Total noncurrent asset retirement obligation	8,560	11,955
Total noncurrent regulatory liabilities	14,039	13,582
Operating lease liabilities	917	876
Accrued pension and other post-retirement benefit costs	485	832
Investment tax credits	864	849
Other noncurrent liabilities	1,393	1,502
Total other noncurrent liabilities	36,971	41,487
Commitments and Contingencies
Equity
Accumulated other comprehensive loss	(6)	(140)
Total Liabilities and Equity	176,893	178,086
Duke Energy Indiana
Current Assets
Cash and cash equivalents	8	31
Receivables of VIEs (net of allowance for doubtful accounts)	156	112
Inventory (includes $462 at 2023 related to VIEs)	582	489
Regulatory assets	102	249
Other	98	197
Total current assets	1,143	1,376
Property, Plant and Equipment
Cost	18,900	18,121
Accumulated depreciation and amortization	(6,501)	(6,021)
Net property, plant and equipment	12,399	12,100
Other Noncurrent Assets
Other Noncurrent Assets: Regulatory assets	894	875
Operating lease right-of-use assets, net	50	49
Other (including amounts related to VIEs)	325	254
Total other noncurrent assets	1,269	1,178
Total Assets	14,811	14,654
Current Liabilities
Accounts payable (includes $188 at 2023 related to VIEs)	300	391
Taxes accrued	66	92
Interest accrued	54	48
Current maturities of long-term debt	4	303
Asset retirement obligations	120	207
Regulatory liabilities	209	187
Other	184	161
Total current liabilities	1,369	2,030
Long-Term Debt (includes amounts related to VIEs)	4,348	3,854
Other Noncurrent Liabilities
Deferred income taxes	1,436	1,299
Total noncurrent asset retirement obligation	689	744
Total noncurrent regulatory liabilities	1,459	1,454
Operating lease liabilities	46	47
Accrued pension and other post-retirement benefit costs	115	122
Investment tax credits	186	186
Other noncurrent liabilities		65
Total other noncurrent liabilities	3,931	3,917
Commitments and Contingencies
Equity
Member's equity	5,012	4,702
Accumulated other comprehensive loss	1	1
Total member's equity	5,013	4,703
Total Liabilities and Equity	14,811	14,654
Duke Energy Indiana | Affiliated entity
Current Assets
Receivables of VIEs (net of allowance for doubtful accounts)	197	298
Current Liabilities
Accounts payable (includes $188 at 2023 related to VIEs)	176	206
Notes payable to affiliated companies	256	435
Long-Term Debt (includes amounts related to VIEs)	$ 150	$ 150