Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2012

Compensation and Retirement Disclosure [Abstract]

Components of net periodic benefit cost and other changes in plan assets and benefit obligations

The components of Net periodic benefit cost and other changes in plan assets and benefit obligations were as follows:

	Pension Benefits						Retiree Health
	Three Months Ended March 31,						Three Months Ended March 31,
	2012			2011			2012			2011
Components of Net Periodic Benefit Costs:
Service cost	$	51		$	48		$	2		$	2
Interest cost	115			118			11			12
Expected return on plan assets	(129		)	(127		)	—			—
Recognized net actuarial loss	27			17			—			—
Amortization of prior service credit	(6		)	(6		)	(10		)	(10		)
Recognized settlement loss	16			30			—			—
Defined benefit plans	74			80			3			4
Defined contribution plans	16			16			—			—
Net periodic benefit cost	90			96			3			4
Other changes in plan assets and benefit obligations recognized in Other Comprehensive Income:
Net actuarial gain	(1		)	—			—			—
Amortization of net prior service credit	6			6			10			10
Amortization of net actuarial losses	(43		)	(47		)	—			—
Total recognized in Other Comprehensive Income(1)	(38		)	(41		)	10			10
Total recognized in Net Periodic Benefit Cost and Other Comprehensive Income	$	52		$	55		$	13		$	14

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(1) Amounts represent the pre-tax effect included within Other comprehensive income. Refer to Note 15 - Comprehensive Income for related tax effects and the after-tax amounts.