Leases (Operating Lease Maturities) (Details) $ in Millions	Dec. 31, 2023 USD ($)
Lessee, Operating Lease, Liability, Payment, Due
2024	$ 244
2025	214
2026	201
2027	170
2028	136
Thereafter	388
Total operating lease payments	1,353
Less: Present value discount	(248)
Total operating lease liabilities	1,105
Duke Energy Carolinas
Lessee, Operating Lease, Liability, Payment, Due
2024	21
2025	16
2026	15
2027	9
2028	8
Thereafter	41
Total operating lease payments	110
Less: Present value discount	(20)
Total operating lease liabilities	90
Progress Energy
Lessee, Operating Lease, Liability, Payment, Due
2024	116
2025	102
2026	105
2027	79
2028	67
Thereafter	315
Total operating lease payments	784
Less: Present value discount	(146)
Total operating lease liabilities	638
Duke Energy Progress
Lessee, Operating Lease, Liability, Payment, Due
2024	56
2025	42
2026	46
2027	47
2028	47
Thereafter	163
Total operating lease payments	401
Less: Present value discount	(63)
Total operating lease liabilities	338
Duke Energy Florida
Lessee, Operating Lease, Liability, Payment, Due
2024	60
2025	60
2026	59
2027	32
2028	20
Thereafter	152
Total operating lease payments	383
Less: Present value discount	(83)
Total operating lease liabilities	300
Duke Energy Ohio
Lessee, Operating Lease, Liability, Payment, Due
2024	2
2025	2
2026	2
2027	2
2028	1
Thereafter	13
Total operating lease payments	22
Less: Present value discount	(5)
Total operating lease liabilities	17
Duke Energy Indiana
Lessee, Operating Lease, Liability, Payment, Due
2024	7
2025	7
2026	6
2027	5
2028	4
Thereafter	39
Total operating lease payments	68
Less: Present value discount	(16)
Total operating lease liabilities	52
Piedmont
Lessee, Operating Lease, Liability, Payment, Due
2024	5
2025	4
2026	1
Total operating lease payments	10
Total operating lease liabilities	$ 10

Amount of lessee's undiscounted obligation for lease payment for operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-6

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-6

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Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-1

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