Debt Instrument, Amount Of Debt Cancelled

No definition available.

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- Definition

Debt Instrument, Cash Tender Offer, Purchase Amount

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Redemption Price, Principal Amount Repurchased

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Disposal Group, Including Discontinued Operation, Consideration, Cash

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Disposal Group, Including Discontinued Operation, Consideration Receivable

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Gain (Loss) On Extinguishment Of Debt To Be Deferred

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Reset Debt Interest Rate

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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+ Details

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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

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+ Details

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Period Type:	duration

- Definition

The cash inflow from a borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in liquidation of the entity's assets or underlying collateral.

+ References

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+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Stated interest rate of the subordinated debt.

+ References

No definition available.

+ Details

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

+ References

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+ Details

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

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- Details

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Subsequent Events (Details) - USD ($) $ in Millions	1 Months Ended			3 Months Ended	9 Months Ended
Subsequent Events (Details) - USD ($) $ in Millions	Oct. 31, 2025	Oct. 23, 2025	May 31, 2025	Dec. 31, 2025	Sep. 30, 2025	Oct. 20, 2025	Oct. 01, 2025
Parent Company
Subsequent Event [Line Items]
Gain from early extinguishment of debt					$ 36
Parent Company \| Forecast
Subsequent Event [Line Items]
Gain from early extinguishment of debt				$ 25
Houston Electric \| Forecast
Subsequent Event [Line Items]
Gain on extinguishment of debt to be deferred				$ 24
Subsequent Event \| Vectren Energy Delivery of Ohio, LLC \| CEOH
Subsequent Event [Line Items]
Total consideration						$ 2,620
Cash consideration						1,420
Consideration receivable						$ 1,200
Senior Notes
Subsequent Event [Line Items]
Principal amount repurchased			$ 1,000
Senior Notes \| Parent Company
Subsequent Event [Line Items]
Amount of cancelled debt			$ 634
Senior Notes \| Subsequent Event
Subsequent Event [Line Items]
Principal amount repurchased		$ 504
Senior Notes \| Subsequent Event \| Parent Company
Subsequent Event [Line Items]
Amount of cancelled debt		329
Senior Notes \| Subsequent Event \| Houston Electric
Subsequent Event [Line Items]
Amount of cancelled debt		$ 234
Junior Notes \| Subsequent Event \| CenterPoint Energy
Subsequent Event [Line Items]
Subordinated debt							$ 700
Subordinated borrowing, interest rate	5.95%
Reset debt interest rate (in percent)							2.223%
Proceeds from Issuance of Subordinated Long-Term Debt	$ 691
Series 2025C Bonds \| 2025C Bonds \| Subsequent Event \| SIGECO
Subsequent Event [Line Items]
Aggregate principal							$ 145
Senior Notes Due 2030 to 2049 \| Senior Notes
Subsequent Event [Line Items]
Cash tender offers					$ 300
Senior Notes Due 2030 to 2049 \| Senior Notes \| Minimum
Subsequent Event [Line Items]
Annual interest rate (as a percent)					2.65%
Senior Notes Due 2030 to 2049 \| Senior Notes \| Maximum
Subsequent Event [Line Items]
Annual interest rate (as a percent)					3.70%
Senior Notes Due 2044 to 2049 \| Senior Notes
Subsequent Event [Line Items]
Cash tender offers					$ 200
Senior Notes Due 2044 to 2049 \| Senior Notes \| Minimum
Subsequent Event [Line Items]
Annual interest rate (as a percent)					4.25%
Senior Notes Due 2044 to 2049 \| Senior Notes \| Maximum
Subsequent Event [Line Items]
Annual interest rate (as a percent)					4.50%