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Organization and Basis of Presentation (Tables) | 6 Months Ended
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Jun. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Allocated Losses from Subsidiaries, Noncontrolling Interest | The following table presents allocated losses to noncontrolling interest for the three and six months ended June 30, 2022, and 2021.
| Three Months Ended June 30, |  | Six Months Ended June 30,
(in millions) | 2022 |  | 2021 |  | 2022 |  | 2021
Noncontrolling Interest Allocation of Income |  |  |  |  |  |  |
Allocated losses to noncontrolling tax equity members utilizing the HLBV method | $ | 44 |  |  | $ | 55 |  |  | $ | 68 |  |  | $ | 98 |
Allocated (income) losses to noncontrolling members based on pro rata shares of ownership | (17) |  |  | 12 |  |  | (4) |  |  | 20 |
Total Noncontrolling Interest Allocated Losses | $ | 27 |  |  | $ | 67 |  |  | $ | 64 |  |  | $ | 118 |
Schedule of Cash, Cash Equivalents and Restricted Cash | The following table presents the components of cash, cash equivalents and restricted cash included in the Condensed Consolidated Balance Sheets.
| June 30, 2022 |  | December 31, 2021
|  | Duke |  | Duke | Duke |  |  | Duke |  | Duke | Duke
| Duke | Energy | Progress | Energy | Energy |  | Duke | Energy | Progress | Energy | Energy
| Energy | Carolinas | Energy | Progress | Florida |  | Energy | Carolinas | Energy | Progress | Florida
Current Assets |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents | $ | 428 |  | $ | 37 |  | $ | 129 |  | $ | 75 |  | $ | 44 |  |  | $ | 343 |  | $ | 7 |  | $ | 70 |  | $ | 35 |  | $ | 23 |
Other | 193 |  | 9 |  | 59 |  | 26 |  | 33 |  |  | 170 |  | — |  | 39 |  | — |  | 39 |
Other Noncurrent Assets |  |  |  |  |  |  |  |  |  |  |
Other | 18 |  | 1 |  | 4 |  | 4 |  | — |  |  | 7 |  | 1 |  | 4 |  | 4 |  | — |
Total cash, cash equivalents and restricted cash | $ | 639 |  | $ | 47 |  | $ | 192 |  | $ | 105 |  | $ | 77 |  |  | $ | 520 |  | $ | 8 |  | $ | 113 |  | $ | 39 |  | $ | 62 |
Schedule of Utility Inventory | The components of inventory are presented in the tables below.
| June 30, 2022
|  |  | Duke |  |  |  | Duke |  | Duke |  | Duke |  | Duke |  |
| Duke |  | Energy |  | Progress |  | Energy |  | Energy |  | Energy |  | Energy |  |
(in millions) | Energy |  | Carolinas |  | Energy |  | Progress |  | Florida |  | Ohio |  | Indiana |  | Piedmont
Materials and supplies | $ | 2,490 |  |  | $ | 817 |  |  | $ | 1,124 |  |  | $ | 769 |  |  | $ | 355 |  |  | $ | 88 |  |  | $ | 321 |  |  | $ | 13 |
Coal | 446 |  |  | 182 |  |  | 132 |  |  | 79 |  |  | 53 |  |  | 14 |  |  | 117 |  |  | — |
Natural gas, oil and other fuel | 272 |  |  | 34 |  |  | 170 |  |  | 100 |  |  | 70 |  |  | 10 |  |  | 3 |  |  | 55 |
Total inventory | $ | 3,208 |  |  | $ | 1,033 |  |  | $ | 1,426 |  |  | $ | 948 |  |  | $ | 478 |  |  | $ | 112 |  |  | $ | 441 |  |  | $ | 68 |
| December 31, 2021
|  |  | Duke |  |  |  | Duke |  | Duke |  | Duke |  | Duke |  |
| Duke |  | Energy |  | Progress |  | Energy |  | Energy |  | Energy |  | Energy |  |
(in millions) | Energy |  | Carolinas |  | Energy |  | Progress |  | Florida |  | Ohio |  | Indiana |  | Piedmont
Materials and supplies | $ | 2,397 |  |  | $ | 793 |  |  | $ | 1,067 |  |  | $ | 729 |  |  | $ | 338 |  |  | $ | 80 |  |  | $ | 311 |  |  | $ | 14 |
Coal | 486 |  |  | 195 |  |  | 167 |  |  | 94 |  |  | 73 |  |  | 19 |  |  | 105 |  |  | — |
Natural gas, oil and other fuel | 316 |  |  | 38 |  |  | 164 |  |  | 98 |  |  | 66 |  |  | 17 |  |  | 2 |  |  | 95 |
Total inventory | $ | 3,199 |  |  | $ | 1,026 |  |  | $ | 1,398 |  |  | $ | 921 |  |  | $ | 477 |  |  | $ | 116 |  |  | $ | 418 |  |  | $ | 109 |

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