Eligible Project Costs, Percent

No definition available.

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- Definition

The amount represents the guarantee obligations maximum exposure received.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility designated for capitalized interest.

+ References

No definition available.

+ Details

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- Definition

Represents the number of future advance promissory notes.

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ 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.

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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

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Balance Type:	credit
Period Type:	instant

- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

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Period Type:	instant

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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- Details

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Debt - Department of Energy Loan Guarantee (Details)	12 Months Ended
Debt - Department of Energy Loan Guarantee (Details)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Mar. 22, 2019 USD ($)	Dec. 31, 2018 USD ($)	Feb. 20, 2014 USD ($) item
Debt
Repayments of long-term debt	$ 397,162,000	$ 468,577,000	$ 1,334,368,000
Vogtle Units No. 3 & No. 4
Debt
Guarantee obligations, maximum exposure received					$ 1,104,000,000
Long-term debt \| Department of Energy guarantee
Debt
Aggregate borrowings including capitalized interest	4,633,028,088
Long-term debt \| FFB
Debt
Number of future advance promissory notes \| item						2
Maximum borrowing capacity				$ 1,619,679,706		$ 3,057,069,461
Aggregate borrowings including capitalized interest	1,619,679,706
Maximum borrowing capacity designated for capitalized interest	43,721,079					335,471,604
Eligible project costs, percent				70.00%
Repayments of long-term debt	$ 307,600,000
Long-term debt \| FFB \| Maximum
Debt
Aggregate borrowings including capitalized interest						$ 3,057,069,461
Long-term debt \| FFB \| Department of Energy guarantee \| Services Agreement
Debt
Guarantee obligations, maximum exposure received				$ 4,676,749,167
Long-term debt \| FFB \| US Treasury Securities, Current Yield
Debt
Spread on variable rate (as a percent)	0.375%