Pension and Other Postretirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2017

Compensation And Retirement Disclosure [Abstract]

Net Pension Cost for Schlumberger Pension Plans and US Postretirement Medical Plan

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

(Stated in millions)
	First Quarter
	2017						2016
	US			Int'l			US			Int'l
Service cost	$	15		$	29		$	18		$	37
Interest cost		44			78			44			80
Expected return on plan assets		(60	)		(136	)		(61	)		(134	)
Amortization of prior service cost		3			24			3			30
Amortization of net loss		10			33			23			22
	$	12		$	28		$	27		$	35

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

(Stated in millions)
	First Quarter
	2017			2016
Service cost	$	8		$	8
Interest cost		11			12
Expected return on plan assets		(15	)		(14	)
Amortization of prior service credit		(7	)		(8	)
	$	(3	)	$	(2	)