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Pension and Other Postretirement Benefit Plans
3 Months Ended
Mar. 31, 2018
Compensation And Retirement Disclosure [Abstract]  
Pension and Other Postretirement Benefit Plans

12.   Pension and Other Postretirement Benefit Plans

Net pension cost for the Schlumberger pension plans included the following components:

(Stated in millions)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

First Quarter

 

 

 

2018

 

 

2017

 

 

 

US

 

 

Int'l

 

 

US

 

 

Int'l

 

 

Service cost

$

16

 

 

$

32

 

 

$

15

 

 

$

29

 

 

Interest cost

 

43

 

 

 

77

 

 

 

44

 

 

 

78

 

 

Expected return on plan assets

 

(62

)

 

 

(147

)

 

 

(60

)

 

 

(136

)

 

Amortization of prior service cost

 

3

 

 

 

3

 

 

 

3

 

 

 

24

 

 

Amortization of net loss

 

12

 

 

 

44

 

 

 

10

 

 

 

33

 

 

 

$

12

 

 

$

9

 

 

$

12

 

 

$

28

 

 

 

The net periodic benefit credit for the Schlumberger US postretirement medical plan included the following components:

 

(Stated in millions)

 

 

 

 

 

 

 

 

 

 

First Quarter

 

 

2018

 

 

2017

 

Service cost

$

8

 

 

$

8

 

Interest cost

 

11

 

 

 

11

 

Expected return on plan assets

 

(15

)

 

 

(15

)

Amortization of prior service credit

 

(7

)

 

 

(7

)

 

$

(3

)

 

$

(3

)