Item 3. Quantitative and Qualitative Disclosures About Market Risk
Item 3. Quantitative and Qualitative Disclosures About Market Risk
Interest Rate Risk
The fair value of our long-term debt, all of which is fixed-rate debt, is subject to fluctuations resulting primarily from changes in market interest rates. The following table provides the fair value of our long-term debt and the change in fair value based on a 1% increase or decrease in market interest rates at June 30, 2024 and December 31, 2023:
(in billions) June 30, 2024 December 31, 2023
Fair value $ 22.7 $ 24.4
Decrease in fair value from a 1% increase in market interest rates 1.8 1.9
Increase in fair value from a 1% decrease in market interest rates 2.1 2.2
We expect interest rates on borrowings under our Credit Agreement to be based on the Term Secured Overnight Financing Rate, plus a percentage based on the higher of the ratings of our long-term senior unsecured debt from Moody’s and S&P. The applicable percentage for borrowings under our Credit Agreement at June 30, 2024 was 1.0% based on our long-term senior unsecured debt ratings on that date. At June 30, 2024 and December 31, 2023, we had no borrowings under our Credit Agreement.
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