CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) shares in Millions, $ in Millions		Total		Class A common stock		Class B common stock	[1],[2]	Class C common stock	[1],[2]	Preferred Stock	Preferred Stock Series B Preferred Stock		Preferred Stock Series C Preferred Stock		Common Stock Class A common stock	Common Stock Class B common stock	Common Stock Class C common stock	Treasury Stock	Right to Recover for Covered Losses	Additional Paid-In Capital	Accumulated Income	Accumulated Other Comprehensive Income (Loss)
Beginning Balance (in shares) at Sep. 30, 2013															2,031	245	27
Beginning Balance at Sep. 30, 2013		$ 26,870																		$ 18,875	$ 7,974	$ 21
Net income		5,438	[1]	$ 4,307	[1]	$ 892		$ 222													5,438
Other comprehensive loss, net of tax		(38)																				(38)
Comprehensive income		5,400
Conversion of class C common stock upon sale into public market (in shares)															19		(5)
Issuance and vesting of restricted stock and performance-based shares (in shares)															4
Share-based compensation, net of forfeitures (Note 16) (in shares)	[3]														(1)
Share-based compensation, net of forfeitures (Note 16)		172																		172
Restricted stock and performance-based shares settled in cash for taxes (in shares)															(1)
Restricted stock and performance-based shares settled in cash for taxes		86																		86
Excess tax benefit for share-based compensation		90																		90
Cash proceeds from issuance of common stock under employee equity plans (in shares)															5
Cash proceeds from issuance of common stock under employee equity plans		91																		91
Cash dividends declared and paid, at a quarterly amount of $0.14 in FY 2016, $0.12 in FY 2015, and $0.10 in FY 2014 per as-converted share		(1,006)																			(1,006)
Repurchase of class A common stock (in shares)															(79)
Repurchase of class A common stock		(4,118)																		(843)	(3,275)
Ending Balance (in shares) at Sep. 30, 2014															1,978	245	22
Ending Balance at Sep. 30, 2014		27,413																		18,299	9,131	(17)
Net income		6,328	[1]	$ 5,044	[1]	1,045		224													6,328
Other comprehensive loss, net of tax		(57)																				(57)
Comprehensive income		6,271
Conversion of class C common stock upon sale into public market (in shares)															11		(2)
Issuance and vesting of restricted stock and performance-based shares (in shares)															4
Share-based compensation, net of forfeitures (Note 16) (in shares)	[3]														(1)
Share-based compensation, net of forfeitures (Note 16)		187																		187
Restricted stock and performance-based shares settled in cash for taxes (in shares)															(1)
Restricted stock and performance-based shares settled in cash for taxes		108																		108
Excess tax benefit for share-based compensation		84																		84
Cash proceeds from issuance of common stock under employee equity plans (in shares)															3
Cash proceeds from issuance of common stock under employee equity plans		82																		82
Cash dividends declared and paid, at a quarterly amount of $0.14 in FY 2016, $0.12 in FY 2015, and $0.10 in FY 2014 per as-converted share		(1,177)																			(1,177)
Repurchase of class A common stock (in shares)				(44)	[4]										(44)
Repurchase of class A common stock		(2,910)		$ (2,910)																(471)	(2,439)
Ending Balance (in shares) at Sep. 30, 2015											0	[5]	0	[5]	1,950	245	20
Ending Balance at Sep. 30, 2015		29,842								$ 0								$ 0	$ 0	18,073	11,843	(74)
Net income		5,991	[1]	$ 4,738	[1]	$ 1,006		$ 185													5,991
Other comprehensive loss, net of tax		(384)																				(384)
Comprehensive income		5,607
Issuance of preferred stock (Note 2 and Note 14) (in shares)	[5]										2		3
Issuance of preferred stock (Note 2 and Note 14)		5,717								5,717
VE territory covered losses incurred (Note 3)		(34)																	(34)
Class C common stock held by Visa Europe, a wholly-owned subsidiary of Visa Inc. (Note 2 and Note 14) (in shares)																	(1)
Class C common stock held by Visa Europe, a wholly-owned subsidiary of Visa Inc. (Note 2 and Note 14)		0																(170)
Conversion of class C common stock upon sale into public market (in shares)															8		(2)
Issuance and vesting of restricted stock and performance-based shares (in shares)															2
Share-based compensation, net of forfeitures (Note 16) (in shares)	[3]														0
Share-based compensation, net of forfeitures (Note 16)		221																		221
Restricted stock and performance-based shares settled in cash for taxes (in shares)															(1)
Restricted stock and performance-based shares settled in cash for taxes		92																		92
Excess tax benefit for share-based compensation		63																		63
Cash proceeds from issuance of common stock under employee equity plans (in shares)															3
Cash proceeds from issuance of common stock under employee equity plans		95																		95
Cash dividends declared and paid, at a quarterly amount of $0.14 in FY 2016, $0.12 in FY 2015, and $0.10 in FY 2014 per as-converted share		(1,350)																			(1,350)
Repurchase of class A common stock (in shares)				(91)	[4],[6]										(91)
Repurchase of class A common stock		(6,987)		$ (6,987)	[6]															(965)	(6,022)
Ending Balance (in shares) at Sep. 30, 2016											2	[5]	3	[5]	1,871	245	17
Ending Balance at Sep. 30, 2016		$ 32,912								$ 5,717								$ (170)	$ (34)	$ 17,395	$ 10,462	$ (458)

[1] Net income attributable to Visa Inc. is allocated based on proportional ownership on an as-converted basis. The weighted-average number of shares of as-converted class B common stock used in the income allocation were 405 million for fiscal 2016 and 2015 and 413 million for fiscal 2014. The weighted-average number of shares of as-converted class C common stock used in the income allocation was 75 million, 87 million and 103 million for fiscal 2016, 2015 and 2014, respectively.

[2] .

[3] Decrease in Class A common stock related to forfeitures of restricted stock awards.

[4] All shares repurchased in the open market have been retired and constitute authorized but unissued shares.

[5] Series B and C preferred stock are alternatively referred to as U.K.&I and Europe preferred stock, respectively.

[6] (in millions, except per share data)2016 (1) 2015Shares repurchased in the open market(2)91 44Average repurchase price per share(3)$77.05 $65.98Total cost$6,987 $2,910