Pension and Other Postretirement Benefits

6 Months Ended

Mar. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Pension and Other Postretirement Benefits

Note 5—Pension and Other Postretirement Benefits

The Company sponsors various qualified and non-qualified defined benefit pension and other postretirement benefit plans that provide for retirement and medical benefits for substantially all employees residing in the United States.

The components of net periodic benefit cost are as follows:

	Pension Benefits												Other Postretirement Benefits
	Three Months Ended March 31,						Six Months Ended March 31,						Three Months Ended March 31,					Six Months Ended March 31,
	2013			2012			2013			2012			2013		2012			2013			2012
	(in millions)
Service cost	$	12		$	9		$	22		$	19		$	—	$	—		$	—		$	—
Interest cost	9			10			18			20			—		1			—			1
Expected return on assets	(15		)	(13		)	(31		)	(27		)	—		—			—			—
Amortization of:
Prior service credit	(3		)	(3		)	(5		)	(5		)	—		(1		)	(1		)	(2		)
Actuarial loss	7			8			14			16			—		—			—			—
Total net periodic benefit cost	$	10		$	11		$	18		$	23		$	—	$	—		$	(1	)	$	(1	)