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v3.22.4

Severance (Rollforward) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Restructuring Reserve [Roll Forward] |  |
Balance, beginning of period | $ 39 | $ 11
Provision/Adjustments | 33 | 36
Cash Reductions | (8) | (8)
Balance, end of period | 64 | 39
Duke Energy Carolinas |  |
Restructuring Reserve [Roll Forward] |  |
Balance, beginning of period | 2 | 2
Provision/Adjustments | 14 | 1
Cash Reductions | (1) | (1)
Balance, end of period | 15 | 2
Progress Energy |  |
Restructuring Reserve [Roll Forward] |  |
Balance, beginning of period | 2 | 3
Provision/Adjustments | 4 | 1
Cash Reductions |  | (2)
Balance, end of period | 6 | 2
Duke Energy Progress |  |
Restructuring Reserve [Roll Forward] |  |
Balance, beginning of period | 1 | 1
Provision/Adjustments | 3 | 1
Cash Reductions |  | (1)
Balance, end of period | 4 | 1
Duke Energy Florida |  |
Restructuring Reserve [Roll Forward] |  |
Balance, beginning of period | 1 | 2
Provision/Adjustments | 1 |
Cash Reductions | 0 | (1)
Balance, end of period | 2 | 1
Duke Energy Indiana |  |
Restructuring Reserve [Roll Forward] |  |
Balance, beginning of period |  | 1
Cash Reductions |  | $ (1)
Piedmont |  |
Restructuring Reserve [Roll Forward] |  |
Provision/Adjustments | 1 |
Balance, end of period | $ 1 |

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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