Pension and Other Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2016

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)
	Third Quarter												Nine Months
	2016						2015						2016						2015
	US			Int'l			US			Int'l			US			Int'l			US			Int'l
Service cost	$	16		$	27		$	22		$	30		$	47		$	83		$	65		$	128
Interest cost		44			78			42			75			133			235			127			224
Expected return on plan assets		(60	)		(128	)		(57	)		(125	)		(178	)		(391	)		(172	)		(381	)
Amortization of prior service cost		3			30			3			30			9			91			9			91
Amortization of net loss		20			20			30			54			60			59			92			128
	$	23		$	27		$	40		$	64		$	71		$	77		$	121		$	190

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

(Stated in millions)
	Third Quarter						Nine Months
	2016			2015			2016			2015
Service cost	$	8		$	11		$	23		$	32
Interest cost		11			12			35			36
Expected return on plan assets		(14	)		(13	)		(43	)		(39	)
Amortization of prior service credit		(8	)		(8	)		(24	)		(24	)
Amortization of net loss		-			3			-			10
	$	(3	)	$	5		$	(9	)	$	15