Condensed Consolidated Balance Sheets - Duke Energy Progress (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Allowance for doubtful accounts - receivables	$ 55	$ 40
Regulatory assets	3,648	3,485
Current Assets: Other	431	973
Other Noncurrent Assets: Regulatory assets	13,618	14,645
Current maturities of long-term debt	2,800	3,878
Long-Term Debt	72,452	65,873
Other (includes $54 at 2023 related to VIEs)	1,393	1,502
Consolidated VIEs
Allowance for doubtful accounts - receivables of VIEs	150	176
Regulatory assets	110	106
Current Assets: Other	90	116
Other Noncurrent Assets: Regulatory assets	1,642	1,715
Current maturities of long-term debt	428	350
Long-Term Debt	3,000	3,108
Other (includes $54 at 2023 related to VIEs)	35
Duke Energy Progress
Allowance for doubtful accounts - receivables	8	4
Regulatory assets	942	690
Current Assets: Other	72	174
Other Noncurrent Assets: Regulatory assets	4,546	4,724
Current maturities of long-term debt	72	369
Long-Term Debt	11,492	10,568
Other (includes $54 at 2023 related to VIEs)	102	76
Duke Energy Progress | Consolidated VIEs
Allowance for doubtful accounts - receivables of VIEs	36	40
Regulatory assets	39	39
Current Assets: Other	31	42
Other Noncurrent Assets: Regulatory assets	643	681
Current maturities of long-term debt	34	34
Long-Term Debt	1,079	$ 1,114
Other (includes $54 at 2023 related to VIEs)	$ 12