Pension and Other Postretirement Benefit Plans

6 Months Ended

Jun. 30, 2015

Compensation And Retirement Disclosure [Abstract]

Pension and Other Postretirement Benefit Plans

14.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
	2015						2014						2015						2014
	US			Int'l			US			Int'l			US			Int'l			US			Int'l
Service cost.............................................	$	21		$	50		$	16		$	29		$	43		$	99		$	35		$	60
Interest cost.............................................		44			75			35			56			85			149			76			128
Expected return on plan assets...............		(59	)		(129	)		(44	)		(88	)		(115	)		(257	)		(96	)		(200	)
Amortization of prior service cost..........		1			31			3			22			6			61			6			52
Amortization of net loss.........................		31			36			24			32			62			74			44			52
	$	38		$	63		$	34		$	51		$	81		$	126		$	65		$	92

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

(Stated in millions)
	Second Quarter						Six Months
	2015			2014			2015			2014
Service cost	.........................................................................................................$	10		$	11		$	21		$	22
Interest cost	..............................................................................................	11			15			24			30
Expected return on plan assets	..............................................................................................	(13	)		(10	)		(26	)		(21	)
Amortization of prior service credit	..............................................................................................	(8	)		(1	)		(16	)		(2	)
Amortization of net loss	..............................................................................................	2			3			7			4
	$	2		$	18		$	10		$	33