v3.25.2
Employee Postretirement Benefits (Tables)
 6 Months Ended
Jun. 30, 2025
TECO Energy [Member]  
Schedule of Net Periodic Benefit Cost The following table presents detail related to TECO Holdings' periodic benefit cost for pension and other postretirement benefits. Amounts disclosed for TECO Holdings' pension benefits include the amounts related to its qualified pension plan and non-qualified, non-contributory SERP and Restoration Plan.

 

TECO Holdings Benefit Cost

 

 

 

 

 

 

 

 

 

 

 

(millions)

Pension Benefits

 

 

Other Postretirement Benefits

 

Three months ended June 30,

2025

 

 

2024

 

 

2025

 

 

2024

 

Components of net periodic benefit cost

 

 

 

 

 

 

 

 

 

 

 

Service cost

$

5

 

 

$

5

 

 

$

0

 

 

$

0

 

Interest cost

 

9

 

 

 

8

 

 

 

1

 

 

 

1

 

Expected return on assets

 

(14

)

 

 

(13

)

 

 

0

 

 

 

0

 

Amortization of actuarial loss (gain)

 

2

 

 

 

1

 

 

 

0

 

 

 

0

 

Net periodic benefit cost

$

2

 

 

$

1

 

 

$

1

 

 

$

1

 

Six months ended June 30,

 

 

 

 

 

 

 

 

 

 

 

Components of net periodic benefit cost

 

 

 

 

 

 

 

 

 

 

 

Service cost

$

9

 

 

$

9

 

 

$

0

 

 

$

0

 

Interest cost

 

18

 

 

 

17

 

 

 

3

 

 

 

3

 

Expected return on assets

 

(27

)

 

 

(27

)

 

 

0

 

 

 

0

 

Amortization of actuarial loss (gain)

 

4

 

 

 

3

 

 

 

0

 

 

 

(1

)

Net periodic benefit cost

$

4

 

 

$

2

 

 

$

3

 

 

$

2