Retirement Benefit Liabilities (Tables)

9 Months Ended

Jun. 30, 2013

Compensation and Retirement Disclosure [Abstract]

Pension and Other Postretirement Benefits [Table Text Block]

Retirement benefit liabilities consisted of the following (in millions):

	June 30, 2013			September 30, 2012
Retiree medical liability	$	556		$	559
Pension liability	510			540
Other	25			24
Subtotal	1,091			1,123
Less: current portion (included in compensation and benefits, Note 15)	(48		)	(48		)
Retirement benefit liabilities	$	1,043		$	1,075

Schedule of Net Benefit Costs [Table Text Block]

The components of net periodic pension and retiree medical expense included in continuing operations for the three months ended June 30 are as follows:

	2013						2012
	Pension			Retiree Medical			Pension			Retiree Medical
Service cost	$	1		$	—		$	1		$	—
Interest cost	21			6			23			6
Assumed return on plan assets	(29		)	—			(27		)	—
Amortization of prior service costs	—			(2		)	—			(2		)
Recognized actuarial loss	7			7			6			7
Settlement charge	36			—			—			—
Total expense	$	36		$	11		$	3		$	11