Condensed Consolidated Balance Sheets - Duke Energy Florida (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Allowance for doubtful accounts - receivables	$ 102	$ 55
Current Assets: Other	359	431
Inventory	4,281	4,292
Regulatory assets	13,636	13,618
Current maturities of long-term debt	2,274	2,800
Long-Term Debt	74,979	72,452
Regulatory assets	3,082	3,648
Accounts payable	3,364	4,228
Other	1,352	1,393
Variable Interest Entity
Allowance for doubtful accounts - receivables of VIEs	102	150
Current Assets: Other	44	90
Inventory	470	462
Regulatory assets	1,616	1,642
Current maturities of long-term debt	929	428
Long-Term Debt	2,134	3,000
Regulatory assets	110	110
Accounts payable	188	188
Other	42	35
Duke Energy Florida
Allowance for doubtful accounts - receivables	12	11
Current Assets: Other	57	51
Inventory	693	674
Regulatory assets	1,895	1,883
Current maturities of long-term debt	586	589
Long-Term Debt	9,791	9,812
Regulatory assets	525	720
Accounts payable	616	738
Other	111	86
Duke Energy Florida | Variable Interest Entity
Allowance for doubtful accounts - receivables of VIEs	15	20
Current Assets: Other	11	37
Inventory	470	462
Regulatory assets	790	803
Current maturities of long-term debt	384	384
Long-Term Debt	800	831
Regulatory assets	59	59
Accounts payable	179	188
Other	$ 10	$ 6