Pension & Postretirement Expenses

9 Months Ended

Jun. 30, 2014

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Pension And Postretirement Plan Expenses

    Total periodic pension and postretirement expense is summarized below (in millions):

	Three Months Ended June 30,					Nine Months Ended June 30,
	2013			2014		2013		2014
Service cost	$	26		24		79		71
Interest cost	56			62		169		184
Expected return on plan assets	(83		)	(86	)	(249	)	(258	)
Net amortization	58			37		174		110
Total	$	57		37		173		107

Lower expense primarily reflects the impact of the higher interest rate environment and favorable investment performance the last two years.