CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Millions, except Share data	Total USD ($)	Common Stock Class A	Common Stock Class B	Common Stock Class C		Common Stock Class C (series III and series IV)	Additional Paid-In Capital USD ($)	Treasury Stock USD ($)	Accumulated Income (Deficit) USD ($)	Accumulated Other Comprehensive Income (Loss) USD ($)	Non- Controlling Interests USD ($)	Open Market USD ($)	Open Market Common Stock Class A	Open Market Additional Paid-In Capital USD ($)	Open Market Accumulated Income (Deficit) USD ($)
Beginning Balance at Sep. 30, 2008	$ 21,141						$ 21,060	$ (35)	$ 186	$ (70)
Beginning Balance (in shares) at Sep. 30, 2008		448,000,000	245,000,000	124,000,000	[1]	28,000,000
Net income attributable to Visa Inc.	2,353								2,353
Loss attributable to non-controlling interest	(1)										(1)
Other comprehensive income (loss), net of tax	(118)									(118)
Comprehensive income including non-controlling interest	2,234
Issuance of restricted share awards		1,000,000
Conversion of class C (series III) and class C (series IV) into class C (series I) common stock				28,000,000	[1]	(28,000,000)
Conversion of class C common stock upon sale into public market (Note 15)		21,000,000		(21,000,000)	[1]
Share-based compensation (Note 17)	115						115
Excess tax benefit for share-based compensation	7						7
Cash proceeds from exercise of stock options	32						32
Restricted stock instruments settled in cash for taxes	(22)						(22)
Accretion of class C (series II) common stock	(2)								(2)
Cash dividends declared and paid, at a quarterly amount of $0.15 in 2011, $0.125 in 2010 and 0.105 in 2009 per as-converted share (Note 15)	(318)								(318)
Gain upon issuance of equity interest in joint venture	6						6
Retirement of treasury stock	(5)						(39)	34
Special IPO dividends received from cost-method investees							1	(1)
Investment in partially-owned consolidated subsidiary	5										5
Ending Balance at Sep. 30, 2009	23,193						21,160	(2)	2,219	(188)	4
Ending Balance (in shares) at Sep. 30, 2009		470,000,000	245,000,000	131,000,000	[1]
Net income attributable to Visa Inc.	2,966								2,966
Loss attributable to non-controlling interest	(2)										(2)
Other comprehensive income (loss), net of tax	37									37
Comprehensive income including non-controlling interest	3,001
Issuance of restricted share awards		1,000,000
Conversion of class C common stock upon sale into public market (Note 15)		34,000,000		(34,000,000)	[1]
Share-based compensation (Note 17)	131						131
Excess tax benefit for share-based compensation	14						14
Cash proceeds from exercise of stock options (in shares)		1,000,000
Cash proceeds from exercise of stock options	56						56
Restricted stock instruments settled in cash for taxes	(14)						(14)
Cash dividends declared and paid, at a quarterly amount of $0.15 in 2011, $0.125 in 2010 and 0.105 in 2009 per as-converted share (Note 15)	(368)								(368)
Retirement of treasury stock							(2)	2
Special IPO dividends received from cost-method investees	1						1
Investment in partially-owned consolidated subsidiary							(1)				1
Repurchase of class A common stock (Note 15) (in shares)												(12,900,000)	(13,000,000)
Repurchase of class A common stock (Note 15)												(1,000)		(551)	(449)
Ending Balance at Sep. 30, 2010	25,014						20,794		4,368	(151)	3
Ending Balance (in shares) at Sep. 30, 2010		493,000,000	245,000,000	97,000,000	[1]
Net income attributable to Visa Inc.	3,650								3,650
Loss attributable to non-controlling interest	(4)										(4)
Other comprehensive income (loss), net of tax	(25)									(25)
Comprehensive income including non-controlling interest	3,621
Issuance of restricted share awards		1,000,000
Vesting of restricted stock units and performance shares		1,000,000
Conversion of class C common stock upon sale into public market (Note 15)		50,000,000		(50,000,000)	[1]
Share-based compensation (Note 17)	154						154
Excess tax benefit for share-based compensation	18						18
Cash proceeds from exercise of stock options (in shares)	2,163,181	3,000,000
Cash proceeds from exercise of stock options	99						99
Restricted stock instruments settled in cash for taxes	(22)						(22)
Restricted stock instruments settled in cash for taxes		(1,000,000)
Cash dividends declared and paid, at a quarterly amount of $0.15 in 2011, $0.125 in 2010 and 0.105 in 2009 per as-converted share (Note 15)	(423)								(423)
Investment in partially-owned consolidated subsidiary							(1)				1
Repurchase of class A common stock (Note 15) (in shares)												(26,600,000)	(27,000,000)
Repurchase of class A common stock (Note 15)												(2,024)		(1,135)	(889)
Ending Balance at Sep. 30, 2011	$ 26,437						$ 19,907		$ 6,706	$ (176)
Ending Balance (in shares) at Sep. 30, 2011		520,000,000	245,000,000	47,000,000	[1]

[1] Shares of class C (series I) common stock were designated as class C common stock with no series designation upon October 2008 redemption.