Pension Plans OPEB December 31, AEP 2020 2019 2020 2019 (in millions) Deferred Charges and Other Noncurrent Assets – Prepaid Benefit Costs $ 93.5  $ —  $ 771.9  $ 590.8  Other Current Liabilities – Accrued Short-term Benefit Liability (6.7) (6.1) (2.4) (2.6) Employee Benefits and Pension Obligations – Accrued Long-term Benefit Liability (74.7) (215.3) (33.7) (31.8) Funded (Underfunded) Status $ 12.1  $ (221.4) $ 735.8  $ 556.4  AEP Texas Pension Plans OPEB 2020 2019 2020 2019 Change in Benefit Obligation (in millions) Benefit Obligation as of January 1, $ 441.2  $ 409.3  $ 97.8  $ 95.9  Service Cost 10.0  8.6  0.8  0.8  Interest Cost 13.9  17.5  3.2  4.0  Actuarial Loss 28.1  40.1  2.4  3.9  Plan Amendments —  —  (1.0) (0.9) Benefit Payments (40.0) (34.3) (10.0) (8.8) Participant Contributions —  —  3.1  2.9  Benefit Obligation as of December 31, $ 453.2  $ 441.2  $ 96.3  $ 97.8  Change in Fair Value of Plan Assets Fair Value of Plan Assets as of January 1, $ 435.1  $ 410.7  $ 148.1  $ 129.9  Actual Gain on Plan Assets 67.2  58.3  21.1  24.0  Company Contributions 11.7  0.4  —  0.1  Participant Contributions —  —  3.1  2.9  Benefit Payments (40.0) (34.3) (10.0) (8.8) Fair Value of Plan Assets as of December 31, $ 474.0  $ 435.1  $ 162.3  $ 148.1  Funded (Underfunded) Status as of December 31, $ 20.8  $ (6.1) $ 66.0  $ 50.3  Pension Plans OPEB December 31, AEP Texas 2020 2019 2020 2019 (in millions) Deferred Charges and Other Noncurrent Assets – Prepaid Benefit Costs $ 24.7  $ —  $ 66.0  $ 50.3  Other Current Liabilities – Accrued Short-term Benefit Liability (0.4) (0.4) —  —  Deferred Credits and Other Noncurrent Liabilities – Accrued Long-term Benefit Liability (3.5) (5.7) —  —  Funded (Underfunded) Status $ 20.8  $ (6.1) $ 66.0  $ 50.3  296