Postretirement Benefits

6 Months Ended

Dec. 31, 2012

Compensation and Retirement Disclosure [Abstract]

Postretirement Benefits

6. Postretirement Benefits

The Company offers various postretirement benefits to its employees.

The components of net periodic benefit cost for defined benefit plans are as follows:

	Pension Benefits						Other Retiree Benefits
	Three Months Ended December 31						Three Months Ended December 31
Amounts in millions	2012			2011			2012			2011
Service cost	$	76		$	63		$	48		$	35
Interest cost	141			152			66			69
Expected return on plan assets	(148		)	(142		)	(96		)	(108		)
Amortization of deferred amounts	6			5			(5		)	(5		)
Recognized net actuarial loss	53			26			50			24
Curtailment loss	2			—			—			—
Gross benefit cost	130			104			63			15
Dividends on ESOP preferred stock	—			—			(18		)	(18		)
Net periodic benefit cost (credit)	$	130		$	104		$	45		$	(3	)

	Pension Benefits						Other Retiree Benefits
	Six Months Ended December31						Six Months Ended December31
Amounts in millions	2012			2011			2012			2011
Service cost	$	150		$	130		$	95		$	71
Interest cost	281			309			130			138
Expected return on plan assets	(296		)	(288		)	(191		)	(216		)
Amortization of deferred amounts	9			11			(10		)	(10		)
Recognized net actuarial loss	106			52			100			49
Curtailment loss	2			—			—			—
Gross benefit cost	252			214			124			32
Dividends on ESOP preferred stock	—			—			(35		)	(37		)
Net periodic benefit cost (credit)	$	252		$	214		$	89		$	(5	)

For the year ending June 30, 2013, the expected return on plan assets is 7.3% and 8.3% for defined benefit and other retiree benefit plans, respectively. These were reduced from 7.4% and 9.2%, respectively, in the prior year.