CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Operating Activities
Net income including non-controlling interest	$ 4,980	$ 2,142	$ 3,646
Adjustments to reconcile net income including non-controlling interest to net cash provided by operating activities:
Amortization of client incentives	2,321	2,155	1,880
Share-based compensation	179	147	154
Excess tax benefit for share-based compensation	(74)	(71)	(18)
Depreciation and amortization of property, equipment, technology and intangible assets	397	333	288
Deferred income taxes	1,527	(1,690)	164
Litigation provision and accretion (Note 20)	3	4,101	18
Fair value adjustment for the Visa Europe put option	0	0	(122)
Other	50	(8)	(104)
Change in operating assets and liabilities:
Income tax receivable	37	(67)	28
Settlement receivable	(345)	(42)	(4)
Accounts receivable	(38)	(161)	(79)
Client incentives	(2,336)	(1,757)	(1,857)
Other assets	(543)	41	(26)
Accounts payable	40	(17)	29
Settlement payable	506	270	36
Accrued and other liabilities	702	(227)	129
Accrued litigation (Note 20)	(4,384)	(140)	(290)
Net cash provided by operating activities	3,022	5,009	3,872
Investing Activities
Purchases of property, equipment, technology and intangible assets	(471)	(376)	(353)
Proceeds from disposal of property, equipment and technology	0	2	0
Investment securities, available-for-sale:
Purchases	(3,164)	(4,140)	(1,910)
Proceeds from sales and maturities	2,440	2,093	129
Purchases of / contributions to other investments	(3)	(12)	(13)
Proceeds / distributions from other investments	34	22	116
Acquisitions, net of cash received	0	(3)	(268)
Net cash used in investing activities	(1,164)	(2,414)	(2,299)
Financing Activities
Repurchase of class A common stock (Note 14)	(5,365)	(710)	(2,024)
Dividends paid (Note 14)	(864)	(595)	(423)
Deposits into litigation escrow account—retrospective responsibility plan (Note 3)	0	(1,715)	(1,200)
Payments from litigation escrow account—retrospective responsibility plan (Note 3)	4,383	140	280
Cash proceeds from exercise of stock options	108	174	99
Restricted stock and performance shares settled in cash for taxes	(64)	0	0
Excess tax benefit for share-based compensation	74	71	18
Payments for earn-out related to PlaySpan acquisition	(12)	(14)	0
Principal payments on capital lease obligations	(6)	(6)	(10)
Principal payments on debt	0	0	(44)
Net cash used in financing activities	(1,746)	(2,655)	(3,304)
Effect of exchange rate changes on cash and cash equivalents	0	7	(9)
Increase (decrease) in cash and cash equivalents	112	(53)	(1,740)
Cash and cash equivalents at beginning of year	2,074	2,127	3,867
Cash and cash equivalents at end of year	2,186	2,074	2,127
Supplemental Disclosure
Income taxes paid, net of refunds	595	2,057	1,731
Non-cash accruals related to purchases of property, equipment, technology and intangible assets	46	67	36
Interest payments on debt	$ 0	$ 0	$ 3