Three Months Ended September 30,

2024

2023

U.S.

U.K.

Other

U.S.

U.K.

Other

Service cost

$

11

$

1

$

4

$

14

$

1

$

4

Interest cost

49

29

7

48

31

7

Expected return on plan assets

(76

)

(40

)

(11

)

(76

)

(41

)

(10

)

Amortization of net loss

9

14

—

3

12

—

Amortization of prior service credit

—

(3

)

1

—

(3

)

—

Net periodic benefit (income)/cost

$

(7

)

$

1

$

1

$

(11

)

$

—

$

1

Nine Months Ended September 30,

2024

2023

U.S.

U.K.

Other

U.S.

U.K.

Other

Service cost

$

32

$

4

$

12

$

42

$

4

$

11

Interest cost

147

86

20

146

90

21

Expected return on plan assets

(227

)

(119

)

(32

)

(228

)

(121

)

(29

)

Settlement

—

—

—

1

—

(1

)

Amortization of net loss

27

41

1

9

36

—

Amortization of prior service credit

—

(9

)

1

—

(9

)

1

Net periodic benefit (income)/cost

$

(21

)

$

3

$

2

$

(30

)

$

—

$

3