CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2011
Operating Revenues
Service revenues	$ 5,352		$ 4,872		$ 4,261
Data processing revenues	4,642		3,975		3,478
International transaction revenues	3,389		3,025		2,674
Other revenues	716		704		655
Client incentives	(2,321)		(2,155)		(1,880)
Total operating revenues	11,778		10,421		9,188
Operating Expenses
Personnel	1,932		1,726		1,459
Marketing	876		873		870
Network and processing	468		414		357
Professional fees	412		385		337
Depreciation and amortization	397		333		288
General and administrative	451		451		414
Litigation provision (Note 20)	3		4,100		7
Total operating expenses	4,539		8,282		3,732
Operating income	7,239		2,139		5,456
Non-operating income	18		68		200
Income before income taxes	7,257		2,207		5,656
Income tax provision	2,277		65		2,010
Net income including non-controlling interest	4,980		2,142		3,646
Loss attributable to non-controlling interest	0		2		4
Net income attributable to Visa Inc.	4,980	[1]	2,144	[1]	3,650	[1]
Class A common stock
Operating Expenses
Net income attributable to Visa Inc.	3,959	[1]	1,664	[1]	2,638	[1]
Earnings Per Share [Abstract]
Basic earnings per share (Note 15)	$ 7.61	[2]	$ 3.17	[2]	$ 5.18	[2]
Basic weighted-average shares outstanding (Note 15)	520		524		509
Diluted earnings per share (Note 15)	$ 7.59	[2]	$ 3.16	[2]	$ 5.16	[2]
Diluted weighted-average shares outstanding (Note 15)	656		678	[3]	707	[3]
Class B common stock
Operating Expenses
Net income attributable to Visa Inc.	786	[1]	343	[1]	636	[1]
Earnings Per Share [Abstract]
Basic earnings per share (Note 15)	$ 3.20	[2]	$ 1.40	[2]	$ 2.59	[2]
Basic weighted-average shares outstanding (Note 15)	245		245		245
Diluted earnings per share (Note 15)	$ 3.19	[2]	$ 1.39	[2]	$ 2.58	[2]
Diluted weighted-average shares outstanding (Note 15)	245		245		245
Class C common stock
Operating Expenses
Net income attributable to Visa Inc.	$ 216	[1]	$ 130	[1]	$ 364	[1]
Earnings Per Share [Abstract]
Basic earnings per share (Note 15)	$ 7.61	[2]	$ 3.17	[2]	$ 5.18	[2]
Basic weighted-average shares outstanding (Note 15)	28		41		70
Diluted earnings per share (Note 15)	$ 7.59	[2]	$ 3.16	[2]	$ 5.16	[2]
Diluted weighted-average shares outstanding (Note 15)	28		41		70

[1] Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on whole numbers, not the rounded numbers presented.

[2] Net income attributable to Visa Inc. is allocated based on proportional ownership on an as-converted basis. The weighted-average numbers of shares of as-converted class B common stock used in the income allocation were 103 million, 108 million and 123 million for fiscal 2013, 2012 and 2011, respectively.

[3] Weighted-average diluted shares outstanding are calculated on an as-converted basis, and include incremental common stock equivalents, as calculated under the treasury stock method. The computation includes 2 million common stock equivalents for fiscal 2013 and 3 million for fiscal 2012 and fiscal 2011, because their effect would have been dilutive. The computation excludes less than 1 million of common stock equivalents for fiscal 2013 and 2012, and 2 million for fiscal 2011 because their effect would have been anti-dilutive.