Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2012

Employee Benefit Plans [Abstract]

Pension and Postretirement Plans

Pension and Postretirement Plans
	Millions of Dollars
	Pension Benefits									Other Benefits
	2012					2011				2012		2011
	U.S.			Int’l.		U.S.		Int’l.
Components of Net Periodic Benefit Cost
Three Months Ended September 30
Service cost	$	33		20		56		25		1		3
Interest cost		39		35		62		45		8		10
Expected return on plan assets		(47)		(37)		(70)		(44)		-		-
Amortization of prior service cost		1		(2)		2		-		(1)		(1)
Recognized net actuarial (gain) loss		41		13		42		11		-		(1)
Net periodic benefit costs	$	67		29		92		37		8		11

Nine Months Ended September 30
Service cost	$	133		70		169		74		5		8
Interest cost		150		116		185		133		26		31
Expected return on plan assets		(177)		(120)		(210)		(131)		-		-
Amortization of prior service cost		5		(6)		7		-		(3)		(5)
Recognized net actuarial (gain) loss		145		46		124		34		(1)		(4)
Net periodic benefit costs	$	256		106		275		110		27		30