Pension and Other Postretirement Benefit Plans

6 Months Ended

Jun. 30, 2017

Compensation And Retirement Disclosure [Abstract]

Pension and Other Postretirement Benefit Plans

13.   Pension and Other Postretirement Benefit Plans

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

(Stated in millions)
	Second Quarter												Six Months
	2017						2016						2017						2016
	US			Int'l			US			Int'l			US			Int'l			US			Int'l
Service cost	$	14		$	19		$	13		$	19		$	29		$	48		$	31		$	56
Interest cost		44			75			45			77			88			153			89			157
Expected return on plan assets		(62	)		(134	)		(58	)		(129	)		(122	)		(270	)		(118	)		(263	)
Amortization of prior service cost		3			24			3			31			6			48			6			61
Amortization of net loss		9			27			17			17			19			60			40			39
	$	8		$	11		$	20		$	15		$	20		$	39		$	48		$	50

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

(Stated in millions)
	Second Quarter						Six Months
	2017			2016			2017			2016
Service cost	$	7		$	7		$	15		$	15
Interest cost		12			12			23			24
Expected return on plan assets		(16	)		(15	)		(31	)		(29	)
Amortization of prior service credit		(7	)		(8	)		(14	)		(16	)
	$	(4	)	$	(4	)	$	(7	)	$	(6	)