v3.26.3
Employee and Agent Benefits (Tables)
9 Months Ended
Sep. 30, 2026
Employee and Agent Benefits  
Components of Net Periodic Benefit Cost (Income) (Table)

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Pension benefits

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Other postretirement benefits

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For the three months ended

​

For the three months ended

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September 30, 

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September 30, 

​

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

2026

  ​ ​ ​

2025

​

​

(in millions)

Service cost

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$

15.8

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$

14.8

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$

—

​

$

—

Interest cost

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​

43.2

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43.4

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​

0.7

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​

0.8

Expected return on plan assets

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​

(45.9)

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​

(43.0)

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​

(1.2)

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​

(1.2)

Amortization of prior service benefit

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​

(3.7)

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​

(3.9)

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​

(0.3)

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​

(0.2)

Recognized net actuarial (gain) loss

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​

6.7

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8.7

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​

(0.5)

​

​

(0.4)

Net periodic benefit cost (income)

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$

16.1

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$

20.0

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$

(1.3)

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$

(1.0)

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​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Pension benefits

​

Other postretirement benefits

​

​

For the nine months ended

​

For the nine months ended

​

​

September 30, 

​

September 30, 

​

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

2026

  ​ ​ ​

2025

​

​

(in millions)

Service cost

​

$

47.3

​

$

44.5

​

$

—

​

$

—

Interest cost

​

​

129.5

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​

130.2

​

​

2.1

​

​

2.3

Expected return on plan assets

​

​

(137.7)

​

​

(129.0)

​

​

(3.7)

​

​

(3.5)

Amortization of prior service benefit

​

​

(11.2)

​

​

(11.4)

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​

(0.8)

​

​

(0.8)

Recognized net actuarial (gain) loss

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​

20.0

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26.1

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(1.5)

​

​

(1.1)

Settlement

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2.6

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​

—

​

​

—

​

​

—

Net periodic benefit cost (income)

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$

50.5

​

$

60.4

​

$

(3.9)

​

$

(3.1)

​