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Pension and Other Postretirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2021

Net pension (credit) cost for the Schlumberger pension plans included the following components:

(Stated in millions)

	First Quarter
	2021						2020
	US			Int’l			US			Int’l
Service cost	$	11		$	33		$	15		$	37
Interest cost		32			69			37			75
Expected return on plan assets		(63	)		(158	)		(58	)		(147	)
Amortization of prior service cost		-			-			2			-
Amortization of net loss		11			52			11			40
	$	(9	)	$	(4	)	$	7		$	5

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

(Stated in millions)

	First Quarter
	2021			2020
Service cost	$	7		$	9
Interest cost		8			10
Expected return on plan assets		(14	)		(17	)
Amortization of prior service credit		(5	)		(7	)
	$	(4	)	$	(5	)