Pension and Other Postretirement Benefit Plans

9 Months Ended

Sep. 30, 2014

Compensation And Retirement Disclosure [Abstract]

Pension and Other Postretirement Benefit Plans

15. Pension and Other Postretirement Benefit Plans

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

	(Stated in millions)
	Third Quarter												Nine Months
	2014						2013						2014						2013
	US			Int'l			US			Int'l			US			Int'l			US			Int'l
Service cost — benefits earned during period	$	19		$	38		$	19		$	28		$	54		$	98		$	60		$	95
Interest cost on projected benefit obligation		47			90			38			65			123			218			113			189
Expected return on plan assets		(60	)		(143	)		(47	)		(88	)		(156	)		(343	)		(150	)		(288	)
Amortization of prior service cost		3			38			3			29			9			90			9			88
Amortization of net loss		17			18			28			43			61			70			91			117
	$	26		$	41		$	41		$	77		$	91		$	133		$	123		$	201

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

	(Stated in millions)
	Third Quarter						Nine Months
	2014			2013			2014			2013
Service cost — benefits earned during period	$	10		$	12		$	32		$	36
Interest cost on accumulated postretirement benefit obligation		15			14			45			42
Expected return on plan assets		(12	)		(9	)		(33	)		(28	)
Amortization of prior service cost		(1	)		(1	)		(3	)		(3	)
Amortization of net loss		(3	)		2			1			17
	$	9		$	18		$	42		$	64