The following table presents information about certain of our market-sensitive financial instruments at June 30, 2026. The fair values were determined based on quoted market prices for the same or similar instruments. The average effective interest rates presented are based on the rate in effect at the end of the reporting period. The effects of unamortized discounts and issue costs are excluded from the table. Maturity Date, Years Ending December 31, 2026 2027 2028 2029 2030 Thereafter Total Fair Value (Dollars in Millions) Fixed-rate long-term debt $ 45 $ 1,643 $ 2,422 $ 1,457 $ 3,488 $ 4,278 $ 13,333 $ 13,224 Average effective interest rates 7.5 % 5.4 % 5.8 % 4.4 % 5.4 % 6.3 % 5.7 % We have no affiliation with partnerships, trusts or other entities (sometimes referred to as “special-purpose” or “variable-interest” entities) whose purpose is to facilitate off-balance sheet financial transactions or similar arrangements by us. As a result, we have no exposure to the financing, liquidity, market or credit risks associated with such entities. We do not hold or issue derivative instruments for trading purposes and are not a party to any instruments with leverage or prepayment features.