Pension and Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2011

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)	2011			2010			2011			2010			2011			2010
Net periodic benefit cost (benefit)
Service cost	$	52		$	51		$	28		$	27		$	15		$	14
Interest cost	155			159			62			63			23			22
Expected return on plan assets	(232		)	(232		)	(69		)	(72		)	(20		)	(21		)
Amortization of transition (asset) obligation	—			—			—			1			—			—
Amortization of prior service cost (benefit)	3			3			(4		)	(1		)	(18		)	(24		)
Amortization of net actuarial (gain) loss	84			55			28			22			26			22
Net periodic benefit cost (benefit)	$	62		$	36		$	45		$	40		$	26		$	13
Settlements, curtailments, special termination benefits and other	—			—			—			(22		)	—			—
Net periodic benefit cost (benefit) after settlements, curtailments, special termination benefits and other	$	62		$	36		$	45		$	18		$	26		$	13

	Six months ended June 30,
	Qualified and Non-qualified Pension Benefits												Postretirement
	United States						International						Benefits
(Millions)	2011			2010			2011			2010			2011			2010
Net periodic benefit cost (benefit)
Service cost	$	103		$	101		$	56		$	55		$	30		$	28
Interest cost	313			319			124			125			46			44
Expected return on plan assets	(464		)	(464		)	(139		)	(143		)	(39		)	(42		)
Amortization of transition (asset) obligation	—			—			—			1			—			—
Amortization of prior service cost (benefit)	6			6			(7		)	(2		)	(36		)	(47		)
Amortization of net actuarial (gain) loss	167			110			56			43			52			43
Net periodic benefit cost (benefit)	$	125		$	72		$	90		$	79		$	53		$	26
Settlements, curtailments, special termination benefits and other	—			—			—			(22		)	—			—
Net periodic benefit cost (benefit) after settlements, curtailments, special termination benefits and other	$	125		$	72		$	90		$	57		$	53		$	26