Pension And Postretirement Plan Expenses

3 Months Ended

Dec. 31, 2013

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 December 31,
	2012			2013
Service cost	$	26		24
Interest cost	56			62
Expected return on plan assets	(83		)	(86	)
Net amortization	58			36
Total	$	57		36

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