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Leases (Supplemental Financial Information) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Assets |  |
Operating lease right-of-use assets, net | $ 1,241 | $ 1,148
Net property, plant and equipment | 654 | 645
Total lease assets | 1,895 | 1,793
Current |  |
Operating | 238 | 208
Finance | 55 | 46
Noncurrent |  |
Operating | 1,033 | 957
Finance | 521 | 524
Total lease liabilities | 1,847 | 1,735
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows from operating leases | 277 | 250
Operating cash flows from finance leases | 40 | 41
Financing cash flows from finance leases | 64 | 113
Lease assets obtained in exchange for new lease liabilities (non-cash) |  |
Operating | 348 | 322
Finance | $ 72 | $ 81
Weighted average remaining lease term (years) |  |
Operating leases | 8 years | 8 years
Finance leases | 12 years | 11 years
Weighted-average discount rate (as a percent) |  |
Operating leases | 4.50% | 4.30%
Finance leases | 8.20% | 8.40%
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Public utilities, property, plant and equipment, net | Public utilities, property, plant and equipment, net
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | Current Liabilities: Other | Current Liabilities: Other
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] | Current maturities of long-term debt | Current maturities of long-term debt
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Operating lease liabilities | Operating lease liabilities
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Long-Term Debt | Long-Term Debt
Duke Energy Carolinas |  |
Assets |  |
Operating lease right-of-use assets, net | $ 91 | $ 98
Net property, plant and equipment | 251 | 252
Total lease assets | 342 | 350
Current |  |
Operating | 20 | 20
Finance | 11 | 8
Noncurrent |  |
Operating | 79 | 87
Finance | 261 | 262
Total lease liabilities | 371 | 377
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows from operating leases | 24 | 24
Operating cash flows from finance leases | 30 | 31
Financing cash flows from finance leases | 12 | 7
Lease assets obtained in exchange for new lease liabilities (non-cash) |  |
Operating | 4 | 50
Finance | $ 15 | $ 1
Weighted average remaining lease term (years) |  |
Operating leases | 9 years | 9 years
Finance leases | 14 years | 15 years
Weighted-average discount rate (as a percent) |  |
Operating leases | 4.40% | 4.30%
Finance leases | 11.30% | 11.50%
Progress Energy |  |
Assets |  |
Operating lease right-of-use assets, net | $ 607 | $ 625
Net property, plant and equipment | 605 | 620
Total lease assets | 1,212 | 1,245
Current |  |
Operating | 100 | 97
Finance | 53 | 48
Noncurrent |  |
Operating | 552 | 557
Finance | 516 | 533
Total lease liabilities | 1,221 | 1,235
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows from operating leases | 122 | 122
Operating cash flows from finance leases | 43 | 44
Financing cash flows from finance leases | 53 | 46
Lease assets obtained in exchange for new lease liabilities (non-cash) |  |
Operating | 6 | 43
Finance | $ 40 | $ 55
Weighted average remaining lease term (years) |  |
Operating leases | 10 years | 9 years
Finance leases | 11 years | 11 years
Weighted-average discount rate (as a percent) |  |
Operating leases | 4.40% | 4.00%
Finance leases | 8.60% | 8.90%
Duke Energy Progress |  |
Assets |  |
Operating lease right-of-use assets, net | $ 386 | $ 348
Net property, plant and equipment | 478 | 512
Total lease assets | 864 | 860
Current |  |
Operating | 43 | 42
Finance | 45 | 41
Noncurrent |  |
Operating | 384 | 332
Finance | 436 | 474
Total lease liabilities | 908 | 889
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows from operating leases | 56 | 57
Operating cash flows from finance leases | 39 | 41
Financing cash flows from finance leases | 43 | 38
Lease assets obtained in exchange for new lease liabilities (non-cash) |  |
Operating | 6 | $ 3
Finance | $ 9 |
Weighted average remaining lease term (years) |  |
Operating leases | 9 years | 8 years
Finance leases | 10 years | 10 years
Weighted-average discount rate (as a percent) |  |
Operating leases | 4.40% | 3.90%
Finance leases | 9.20% | 9.20%
Duke Energy Florida |  |
Assets |  |
Operating lease right-of-use assets, net | $ 221 | $ 277
Net property, plant and equipment | 127 | 108
Total lease assets | 348 | 385
Current |  |
Operating | 57 | 55
Finance | 8 | 7
Noncurrent |  |
Operating | 168 | 225
Finance | 80 | 59
Total lease liabilities | 313 | 346
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows from operating leases | 66 | 65
Operating cash flows from finance leases | 4 | 3
Financing cash flows from finance leases | 10 | 8
Lease assets obtained in exchange for new lease liabilities (non-cash) |  |
Operating |  | 40
Finance | $ 31 | $ 55
Weighted average remaining lease term (years) |  |
Operating leases | 12 years | 11 years
Finance leases | 21 years | 15 years
Weighted-average discount rate (as a percent) |  |
Operating leases | 4.30% | 4.20%
Finance leases | 5.80% | 5.90%
Duke Energy Ohio |  |
Assets |  |
Operating lease right-of-use assets, net | $ 5 | $ 6
Total lease assets | 5 | 6
Current |  |
Operating |  | 1
Noncurrent |  |
Operating | 5 | 6
Total lease liabilities | 5 | 7
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows from operating leases | $ 1 | $ 1
Weighted average remaining lease term (years) |  |
Operating leases | 11 years | 11 years
Finance leases | 0 years | 0 years
Weighted-average discount rate (as a percent) |  |
Operating leases | 4.20% | 4.10%
Duke Energy Indiana |  |
Assets |  |
Operating lease right-of-use assets, net | $ 32 | $ 37
Net property, plant and equipment | 8 | 6
Total lease assets | 40 | 43
Current |  |
Operating | 6 | 6
Noncurrent |  |
Operating | 28 | 33
Finance | 10 | 10
Total lease liabilities | 44 | 49
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows from operating leases | 8 | 8
Operating cash flows from finance leases | 1 | 1
Financing cash flows from finance leases | 2 |
Lease assets obtained in exchange for new lease liabilities (non-cash) |  |
Operating | 1 | 7
Finance | $ 2 | $ 1
Weighted average remaining lease term (years) |  |
Operating leases | 9 years | 11 years
Finance leases | 19 years | 20 years
Weighted-average discount rate (as a percent) |  |
Operating leases | 3.90% | 4.00%
Finance leases | 11.60% | 11.70%
Piedmont |  |
Assets |  |
Operating lease right-of-use assets, net | $ 2 | $ 4
Total lease assets | 2 | 4
Current |  |
Operating | 1 | 1
Noncurrent |  |
Operating | 2 | 7
Total lease liabilities | 3 | 8
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows from operating leases | $ 1 | 1
Lease assets obtained in exchange for new lease liabilities (non-cash) |  |
Operating |  | $ 3
Weighted average remaining lease term (years) |  |
Operating leases | 3 years | 4 years
Finance leases | 0 years | 0 years
Weighted-average discount rate (as a percent) |  |
Operating leases | 4.00% | 3.90%

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