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Revenue (Aging of Trade Receivables) (Details) - USD ($) $ in Millions | Jun. 30, 2024 | Feb. 29, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Financing Receivable, Past Due [Line Items] |  |  |
Unbilled Receivables | $ 1,155 |  | $ 1,273
Current | 2,503 |  | 2,306
Deferred Payment Arrangements | 99 |  | 104
Trade and Other Receivables | 4,343 |  | 4,336
CRC | VIE primary beneficiary |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Accounts receivable from securitization | 0 | $ 682 | 663
30-60 days |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 75 |  | 78
60-90 days |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 80 |  | 47
Financial Asset, 1 to 29 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 202 |  | 275
Financial Asset, Equal to or Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 229 |  | 253
Duke Energy Carolinas |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Unbilled Receivables | 414 |  | 399
Current | 772 |  | 680
Deferred Payment Arrangements | 36 |  | 34
Trade and Other Receivables | 1,386 |  | 1,312
Duke Energy Carolinas | 30-60 days |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 25 |  | 20
Duke Energy Carolinas | 60-90 days |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 19 |  | 15
Duke Energy Carolinas | Financial Asset, 1 to 29 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 60 |  | 97
Duke Energy Carolinas | Financial Asset, Equal to or Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 60 |  | 67
Progress Energy |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Unbilled Receivables | 426 |  | 401
Current | 1,210 |  | 1,009
Deferred Payment Arrangements | 40 |  | 43
Trade and Other Receivables | 1,878 |  | 1,664
Progress Energy | 30-60 days |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 22 |  | 34
Progress Energy | 60-90 days |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 40 |  | 17
Progress Energy | Financial Asset, 1 to 29 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 79 |  | 91
Progress Energy | Financial Asset, Equal to or Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 61 |  | 69
Duke Energy Progress |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Unbilled Receivables | 278 |  | 280
Current | 727 |  | 612
Deferred Payment Arrangements | 26 |  | 26
Trade and Other Receivables | 1,117 |  | 1,016
Duke Energy Progress | 30-60 days |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 15 |  | 23
Duke Energy Progress | 60-90 days |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 10 |  | 10
Duke Energy Progress | Financial Asset, 1 to 29 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 35 |  | 41
Duke Energy Progress | Financial Asset, Equal to or Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 26 |  | 24
Duke Energy Florida |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Unbilled Receivables | 148 |  | 121
Current | 480 |  | 395
Deferred Payment Arrangements | 14 |  | 17
Trade and Other Receivables | 758 |  | 646
Duke Energy Florida | 30-60 days |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 7 |  | 11
Duke Energy Florida | 60-90 days |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 30 |  | 7
Duke Energy Florida | Financial Asset, 1 to 29 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 44 |  | 50
Duke Energy Florida | Financial Asset, Equal to or Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 35 |  | 45
Duke Energy Ohio |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Unbilled Receivables | 127 |  | 4
Current | 182 |  | 48
Deferred Payment Arrangements | 18 |  | 6
Trade and Other Receivables | 459 |  | 121
Duke Energy Ohio | CRC |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Unbilled Receivables |  |  | 141
Duke Energy Ohio | CRC | VIE primary beneficiary |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Accounts receivable from securitization |  | 366 |
Duke Energy Ohio | 30-60 days |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 12 |  | 3
Duke Energy Ohio | 60-90 days |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 10 |  | 2
Duke Energy Ohio | Financial Asset, 1 to 29 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 26 |  | 12
Duke Energy Ohio | Financial Asset, Equal to or Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 84 |  | 46
Duke Energy Indiana |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Unbilled Receivables | 177 |  | 22
Current | 205 |  | 87
Deferred Payment Arrangements | 5 |  | 0
Trade and Other Receivables | 438 |  | 161
Duke Energy Indiana | CRC |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Unbilled Receivables |  |  | 197
Duke Energy Indiana | CRC | VIE primary beneficiary |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Accounts receivable from securitization |  | $ 316 |
Duke Energy Indiana | 30-60 days |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 11 |  | 7
Duke Energy Indiana | 60-90 days |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 5 |  | 4
Duke Energy Indiana | Financial Asset, 1 to 29 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 17 |  | 14
Duke Energy Indiana | Financial Asset, Equal to or Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 18 |  | 27
Piedmont |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Unbilled Receivables | 11 |  | 108
Current | 112 |  | 199
Deferred Payment Arrangements | 0 |  | 0
Trade and Other Receivables | 159 |  | 322
Piedmont | 30-60 days |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 5 |  | 2
Piedmont | 60-90 days |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 6 |  | 1
Piedmont | Financial Asset, 1 to 29 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | 19 |  | 9
Piedmont | Financial Asset, Equal to or Greater than 90 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Trade and other receivables | $ 6 |  | $ 3

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