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Leases (Supplemental Financial Information) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Assets |  |
Operating lease right-of-use assets, net | $ 1,092 | $ 1,042
Net property, plant and equipment | 687 | 810
Total lease assets | 1,779 | 1,852
Current |  |
Operating | 188 | 179
Finance | 115 | 153
Noncurrent |  |
Operating | 917 | 876
Finance | 524 | 611
Total lease liabilities | 1,744 | 1,819
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows from operating leases | 228 | 230
Operating cash flows from finance leases | 46 | 50
Financing cash flows from finance leases | 160 | 151
Lease assets obtained in exchange for new lease liabilities (non-cash) |  |
Operating | 286 | $ 111
Finance | $ 36 |
Weighted average remaining lease term (years) |  |
Operating leases | 9 years | 8 years
Finance leases | 11 years | 10 years
Weighted-average discount rate (as a percent) |  |
Operating leases | 3.10% | 3.40%
Finance leases | 8.50% | 7.70%
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 | $ 78 | $ 78
Net property, plant and equipment | 268 | 284
Total lease assets | 346 | 362
Current |  |
Operating | 15 | 14
Finance | 8 | 7
Noncurrent |  |
Operating | 75 | 83
Finance | 269 | 277
Total lease liabilities | 367 | 381
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows from operating leases | 18 | 24
Operating cash flows from finance leases | 31 | 32
Financing cash flows from finance leases | 7 | 6
Lease assets obtained in exchange for new lease liabilities (non-cash) |  |
Operating | $ 14 | $ 10
Weighted average remaining lease term (years) |  |
Operating leases | 10 years | 10 years
Finance leases | 16 years | 17 years
Weighted-average discount rate (as a percent) |  |
Operating leases | 4.00% | 3.80%
Finance leases | 11.50% | 11.50%
Progress Energy |  |
Assets |  |
Operating lease right-of-use assets, net | $ 617 | $ 628
Net property, plant and equipment | 615 | 674
Total lease assets | 1,232 | 1,302
Current |  |
Operating | 94 | 96
Finance | 46 | 57
Noncurrent |  |
Operating | 544 | 546
Finance | 525 | 571
Total lease liabilities | 1,209 | 1,270
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows from operating leases | 123 | 118
Operating cash flows from finance leases | 45 | 49
Financing cash flows from finance leases | 57 | $ 61
Lease assets obtained in exchange for new lease liabilities (non-cash) |  |
Operating | $ 92 |
Weighted average remaining lease term (years) |  |
Operating leases | 10 years | 8 years
Finance leases | 11 years | 12 years
Weighted-average discount rate (as a percent) |  |
Operating leases | 3.80% | 3.60%
Finance leases | 9.10% | 9.10%
Duke Energy Progress |  |
Assets |  |
Operating lease right-of-use assets, net | $ 318 | $ 370
Net property, plant and equipment | 552 | 590
Total lease assets | 870 | 960
Current |  |
Operating | 45 | 51
Finance | 38 | 35
Noncurrent |  |
Operating | 293 | 335
Finance | 514 | 552
Total lease liabilities | 890 | 973
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows from operating leases | 64 | 63
Operating cash flows from finance leases | 43 | 45
Financing cash flows from finance leases | 35 | $ 41
Lease assets obtained in exchange for new lease liabilities (non-cash) |  |
Operating | $ 1 |
Weighted average remaining lease term (years) |  |
Operating leases | 9 years | 9 years
Finance leases | 11 years | 12 years
Weighted-average discount rate (as a percent) |  |
Operating leases | 3.60% | 3.50%
Finance leases | 9.20% | 9.10%
Duke Energy Florida |  |
Assets |  |
Operating lease right-of-use assets, net | $ 299 | $ 258
Net property, plant and equipment | 63 | 84
Total lease assets | 362 | 342
Current |  |
Operating | 49 | 45
Finance | 8 | 22
Noncurrent |  |
Operating | 251 | 211
Finance | 11 | 19
Total lease liabilities | 319 | 297
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows from operating leases | 59 | 55
Operating cash flows from finance leases | 2 | 4
Financing cash flows from finance leases | 22 | $ 20
Lease assets obtained in exchange for new lease liabilities (non-cash) |  |
Operating | $ 91 |
Weighted average remaining lease term (years) |  |
Operating leases | 11 years | 6 years
Finance leases | 18 years | 12 years
Weighted-average discount rate (as a percent) |  |
Operating leases | 4.00% | 3.80%
Finance leases | 7.60% | 8.00%
Duke Energy Ohio |  |
Assets |  |
Operating lease right-of-use assets, net | $ 16 | $ 18
Total lease assets | 16 | 18
Current |  |
Operating | 1 | 1
Noncurrent |  |
Operating | 16 | 17
Total lease liabilities | 17 | 18
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows from operating leases | 2 | $ 2
Lease assets obtained in exchange for new lease liabilities (non-cash) |  |
Operating | $ 2 |
Weighted average remaining lease term (years) |  |
Operating leases | 13 years | 15 years
Weighted-average discount rate (as a percent) |  |
Operating leases | 4.20% | 4.20%
Duke Energy Indiana |  |
Assets |  |
Operating lease right-of-use assets, net | $ 50 | $ 49
Net property, plant and equipment | 6 | 6
Total lease assets | 56 | 55
Current |  |
Operating | 6 | 4
Noncurrent |  |
Operating | 46 | 47
Finance | 9 | 9
Total lease liabilities | 61 | 60
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows from operating leases | 7 | 6
Operating cash flows from finance leases | 1 | $ 1
Lease assets obtained in exchange for new lease liabilities (non-cash) |  |
Operating | $ 6 |
Weighted average remaining lease term (years) |  |
Operating leases | 13 years | 15 years
Finance leases | 22 years | 23 years
Weighted-average discount rate (as a percent) |  |
Operating leases | 3.90% | 4.00%
Finance leases | 11.90% | 11.90%
Piedmont |  |
Assets |  |
Operating lease right-of-use assets, net | $ 4 | $ 4
Total lease assets | 4 | 4
Noncurrent |  |
Operating | 10 | 13
Total lease liabilities | 10 | 13
Cash paid for amounts included in the measurement of lease liabilities |  |
Operating cash flows from operating leases |  | $ 4
Lease assets obtained in exchange for new lease liabilities (non-cash) |  |
Operating | $ 2 |
Weighted average remaining lease term (years) |  |
Operating leases | 4 years | 1 year
Finance leases | 3 years |
Weighted-average discount rate (as a percent) |  |
Operating leases | 2.40% | 3.30%
Finance leases | 5.40% |

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