Pension and Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2015

Pension and Postretirement Benefit Plans

Components of net periodic benefit cost (benefit)

		Three months ended June 30,
		Qualified and Non-qualified
		Pension Benefits								Postretirement
		United States				International				Benefits
(Millions)		2015		2014		2015		2014		2015		2014
Net periodic benefit cost (benefit)
	Service cost	$	73	$	60	$	40	$	35	$	22	$	17
	Interest cost		164		169		55		65		25		24
	Expected return on plan assets		(267)		(261)		(81)		(80)		(23)		(23)
	Amortization of transition (asset) obligation		―		―		(1)		―		―		―
	Amortization of prior service cost (benefit)		(6)		1		(3)		(4)		(8)		(12)
	Amortization of net actuarial (gain) loss		102		61		38		31		19		15
Net periodic benefit cost (benefit)		$	66	$	30	$	48	$	47	$	35	$	21
Settlements, curtailments, special termination benefits and other			―		―		―		―		―		―
Net periodic benefit cost (benefit) after settlements, curtailments,
	special termination benefits and other	$	66	$	30	$	48	$	47	$	35	$	21
		Six months ended June 30,
		Qualified and Non-qualified
		Pension Benefits								Postretirement
		United States				International				Benefits
(Millions)		2015		2014		2015		2014		2015		2014
Net periodic benefit cost (benefit)
	Service cost	$	146	$	120	$	82	$	71	$	43	$	33
	Interest cost		328		338		110		129		50		48
	Expected return on plan assets		(534)		(522)		(162)		(159)		(45)		(45)
	Amortization of transition (asset) obligation		―		―		(1)		―		―		―
	Amortization of prior service cost (benefit)		(12)		2		(7)		(8)		(16)		(24)
	Amortization of net actuarial (gain) loss		204		122		76		62		38		29
Net periodic benefit cost (benefit)		$	132	$	60	$	98	$	95	$	70	$	41
Settlements, curtailments, special termination benefits and other			―		―		(17)		―		―		―
Net periodic benefit cost (benefit) after settlements, curtailments,
	special termination benefits and other	$	132	$	60	$	81	$	95	$	70	$	41