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Long-term Debt (Details) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2024 USD ($) conversionRatio | Dec. 31, 2023 USD ($)
Line of Credit Facility [Line Items] |  |
Current borrowing capacity | $ 650 |
Maximum borrowing capacity | $ 700 |
Percentage Of Subsidiary Stock Securing Debt | conversionRatio | 1 |
Long-term debt | $ 369 | $ 369
Letters of Credit Outstanding, Amount | 1 |
Line of Credit Facility, Remaining Borrowing Capacity | $ 280 |
Long-Term Debt, Maturity Date | Jun. 30, 2027 |
Applicable Margin Federal Funds Rate | 0.50% |
Adjusted Term SOFR Rate Plus Applicable Margin | 2.00% |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.25% |
Line of Credit Facility, Interest Rate During Period | 7.20% |
Minimum [Member] |  |
Line of Credit Facility [Line Items] |  |
Adjusted Term SOFR rate | 0.10% |
Maximum [Member] |  |
Line of Credit Facility [Line Items] |  |
Adjusted Term SOFR rate | 0.25% |
Base Rate [Member] | Minimum [Member] |  |
Line of Credit Facility [Line Items] |  |
Debt Instrument, Basis Spread on Variable Rate | 0.00% |
Base Rate [Member] | Maximum [Member] |  |
Line of Credit Facility [Line Items] |  |
Debt Instrument, Basis Spread on Variable Rate | 0.50% |
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Minimum [Member] |  |
Line of Credit Facility [Line Items] |  |
Debt Instrument, Basis Spread on Variable Rate | 1.50% |
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Maximum [Member] |  |
Line of Credit Facility [Line Items] |  |
Debt Instrument, Basis Spread on Variable Rate | 2.25% |

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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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