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Condensed Consolidated Balance Sheets - Duke Energy Indiana (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Allowance for doubtful accounts - receivables	$ 199	$ 122
Duke Energy Indiana
Allowance for doubtful accounts - receivables	$ 17	$ 15

X

- Definition

Amount of allowance related to receivables from customers, clients, or other third-parties, and receivables classified as other due within one year or the normal operating cycle, if longer, that are expected to be uncollectible.

+ References

No definition available.

+ Details

Name:	duk_AllowanceforDoubtfulAccountsandOtherReceivablesCurrent
Namespace Prefix:	duk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	dei_LegalEntityAxis=duk_DukeEnergyIndianaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: