Pension and Other Postretirement Benefits

6 Months Ended

Mar. 31, 2014

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,
	2014			2013			2014			2013			2014			2013		2014			2013
	(in millions)
Service cost	$	12		$	12		$	23		$	22		$	—		$	—	$	—		$	—
Interest cost	11			9			21			18			—			—		—			—
Expected return on assets	(17		)	(15		)	(34		)	(31		)	—			—		—			—
Amortization of:
Prior service credit	(2		)	(3		)	(4		)	(5		)	(1		)	—		(2		)	(1		)
Actuarial loss	—			7			—			14			—			—		—			—
Net benefit cost	$	4		$	10		$	6		$	18		$	(1	)	$	—	$	(2	)	$	(1	)
Curtailment gain	(3		)	—			(3		)	—			—			—		—			—
Settlement loss	—			—			1			—			—			—		—			—
Total net periodic benefit cost	$	1		$	10		$	4		$	18		$	(1	)	$	—	$	(2	)	$	(1	)