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Employment Benefit Plans

3 Months Ended

Mar. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Components of the net cost for the periods presented below for certain employee benefit plans were as follows (in millions):



	Pension Benefits
	Three Months Ended March 31,
Net Cost	2013			2012
Service cost	$	12		$	10
Interest cost	22			25
Expected return on plan assets	(31		)	(30		)
Amortization of net loss	4			3
Net cost recognized	$	7		$	8



	Retiree Health and Welfare Benefits
	Three Months Ended March 31,
Net Cost	2013		2012
Interest cost	$	3	$	3
Amortization of net loss	1		1
Net cost recognized	$	4	$	4

The Company is not required to make contributions to the BNSF Retirement Plan in 2013; however, the Company made a discretionary contribution of $25 million in March 2013.

- Definition

The entire disclosure for pension and other postretirement benefits.

+ References

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+ Details