CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating Activities
Net income	$ 4,816	$ 4,365
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of client incentives	2,059	1,824
Fair value adjustment for the Visa Europe put option	110	0
Share-based compensation	139	130
Excess tax benefit for share-based compensation	(78)	(82)
Depreciation and amortization of property, equipment, technology and intangible assets	375	323
Deferred income taxes	196	(358)
Other	18	10
Change in operating assets and liabilities:
Settlement receivable	82	24
Accounts receivable	(64)	(55)
Client incentives	(2,093)	(1,775)
Other assets	(342)	(318)
Accounts payable	(52)	(86)
Settlement payable	(95)	82
Accrued and other liabilities	141	273
Accrued litigation (Note 13)	(362)	1,055
Net cash provided by operating activities	4,850	5,412
Investing Activities
Purchases of property, equipment, technology and intangible assets	(276)	(326)
Proceeds from sales of property, equipment and technology	10
Investment securities, available-for-sale:
Purchases	(2,315)	(1,842)
Proceeds from sales and maturities	1,410	1,863
Acquisition, net of cash received (Note 7)	(93)	(134)
Purchases of / contributions to other investments	(22)	(3)
Proceeds / distributions from other investments	10
Net cash used in investing activities	(1,276)	(442)
Financing Activities
Repurchase of class A common stock (Note 9)	(2,910)	(3,362)
Dividends paid (Note 9)	(885)	(758)
Payments from (return to) litigation escrow account—retrospective responsibility plan (Note 2 and Note 13)	355	(1,056)
Cash proceeds from issuance of common stock under employee equity plans	68	81
Restricted stock and performance-based shares settled in cash for taxes	(105)	(85)
Excess tax benefit for share-based compensation	78	82
Net cash used in financing activities	(3,399)	(5,098)
Effect of exchange rate changes on cash and cash equivalents	1	0
Increase (decrease) in cash and cash equivalents	176	(128)
Cash and cash equivalents at beginning of year	1,971	2,186
Cash and cash equivalents at end of period	2,147	2,058
Supplemental Disclosure
Income taxes paid, net of refunds	1,892	1,943
Accruals related to purchases of property, equipment, technology and intangible assets	$ 67	$ 42