T-MOBILE US, INC. (TMUS) Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets

T-MOBILE US, INC. Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets

T-MOBILE US, INC. (TMUS) reported Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets of 8.00% for the 12-month period ending 2025-12-31, per its 10-K filed 2026-02-11.

Financial Statements › Expense Statement › Operating Expenses

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets · last filed 2026-02-11

• T-MOBILE US, INC. defined benefit plan, assumptions used calculating net periodic benefit cost, expected long-term rate of return on plan assets for fiscal 2025 was 8.00%, a 14.29% increase from fiscal 2024.
• T-MOBILE US, INC. defined benefit plan, assumptions used calculating net periodic benefit cost, expected long-term rate of return on plan assets for fiscal 2024 was 7.00%, a 0.00% change from fiscal 2023.
• T-MOBILE US, INC. defined benefit plan, assumptions used calculating net periodic benefit cost, expected long-term rate of return on plan assets for fiscal 2023 was 7.00%, a 40.00% increase from fiscal 2022.
• T-MOBILE US, INC. defined benefit plan, assumptions used calculating net periodic benefit cost, expected long-term rate of return on plan assets for fiscal 2022 was 5.00%, a 25.00% increase from fiscal 2021.