Pension (Tables)

6 Months Ended

Mar. 31, 2012

Pension Tables [Abstract]

Net Periodic Benefit Costs (Table)

	Quarter Ended					Six Months Ended
Net Periodic Benefit Costs	March 31,					March 31,
(in millions)	2012		2011			2012		2011
Service cost	$	8	$	7	$	16	$	14
Interest cost		12		11		24		22
Expected return on plan assets		(9)		(9)		(18)		(18)
Recognized actuarial loss		5		3		9		6
Net periodic benefit costs	$	16	$	12	$	31	$	24