Variable Interest Entities (Schedule of Accounts Receivable Securitizations) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Variable Interest Entity [Line Items]
Long-Term Debt	$ 60,448	$ 55,625
Duke Energy Carolinas
Variable Interest Entity [Line Items]
Long-Term Debt	12,595	11,412
Duke Energy Progress
Variable Interest Entity [Line Items]
Long-Term Debt	9,543	8,505
Duke Energy Florida
Variable Interest Entity [Line Items]
Long-Term Debt	8,406	7,092
CRC \| Consolidated VIEs
Variable Interest Entity [Line Items]
Facility size	350
Long-Term Debt	350	350
Restricted Receivables	587	547
DERF \| Duke Energy Carolinas \| Consolidated VIEs
Variable Interest Entity [Line Items]
Facility size	475
Long-Term Debt	475	364
Restricted Receivables	844	696
DEPR \| Duke Energy Progress \| Consolidated VIEs
Variable Interest Entity [Line Items]
Facility size	350
Long-Term Debt	350	250
Restricted Receivables	574	500
DEFR \| Duke Energy Florida \| Consolidated VIEs
Variable Interest Entity [Line Items]
Facility size	250
Long-Term Debt	250	250
Restricted Receivables	$ 427	$ 397

The amount owed to the reporting entity by counterparties in securitized loan transactions.

No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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