Legal Matters (Tables)

9 Months Ended

Jun. 30, 2015

Loss Contingencies [Line Items]

Schedule of Loss Contingencies by Contingency

The following table summarizes activity related to accrued litigation.

	Fiscal 2015			Fiscal 2014
	(in millions)
Balance at October 1	$	1,456		$	5
Reestablishment of obligation related to interchange multidistrict litigation	—			1,056
Additional provision for legal matters	3			—
Payments on legal matters	(362		)	(1		)
Balance at June 30	$	1,097		$	1,060

Covered Litigation [Member]

Loss Contingencies [Line Items]

Schedule of Loss Contingencies by Contingency

The following table summarizes the activity related to covered litigation.

	Fiscal 2015			Fiscal 2014
	(in millions)
Balance at October 1	$	1,449		$	—
Payments on covered litigation	(355		)	—
Reestablishment of obligation related to interchange multidistrict litigation	—			1,056
Balance at June 30	$	1,094		$	1,056