Pension and Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2013

Pension and Postretirement Benefit Plans

Components of net periodic benefit cost (benefit)

		Three months ended September 30,
		Qualified and Non-qualified
		Pension Benefits								Postretirement
		United States				International				Benefits
(Millions)		2013		2012		2013		2012		2013		2012
Net periodic benefit cost (benefit)
	Service cost	$	64	$	64	$	37	$	31	$	20	$	19
	Interest cost		150		147		61		61		22		22
	Expected return on plan assets		(262)		(248)		(75)		(73)		(22)		(21)
	Amortization of transition (asset) obligation		―		―		―		―		―		―
	Amortization of prior service cost (benefit)		1		1		(4)		(4)		(16)		(18)
	Amortization of net actuarial (gain) loss		100		117		39		30		24		27
Net periodic benefit cost (benefit)		$	53	$	81	$	58	$	45	$	28	$	29
Settlements, curtailments, special termination benefits and other			―		―		―		―		―		―
Net periodic benefit cost (benefit) after settlements, curtailments,
	special termination benefits and other	$	53	$	81	$	58	$	45	$	28	$	29
		Nine months ended September 30,
		Qualified and Non-qualified
		Pension Benefits								Postretirement
		United States				International				Benefits
(Millions)		2013		2012		2013		2012		2013		2012
Net periodic benefit cost (benefit)
	Service cost	$	192	$	191	$	109	$	93	$	60	$	58
	Interest cost		449		440		183		184		66		65
	Expected return on plan assets		(784)		(744)		(225)		(219)		(67)		(64)
	Amortization of transition (asset) obligation		―		―		(1)		(1)		―		―
	Amortization of prior service cost (benefit)		3		4		(13)		(13)		(49)		(54)
	Amortization of net actuarial (gain) loss		300		352		119		90		72		82
Net periodic benefit cost (benefit)		$	160	$	243	$	172	$	134	$	82	$	87
Settlements, curtailments, special termination benefits and other			―		26		―		―		―		―
Net periodic benefit cost (benefit) after settlements, curtailments,
	special termination benefits and other	$	160	$	269	$	172	$	134	$	82	$	87