CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Dec. 31, 2015	Dec. 31, 2014
Operating Revenues
Service revenues		$ 1,645	$ 1,538
Data processing revenues		1,479	1,383
International transaction revenues		1,031	970
Other revenues		198	204
Client incentives		(788)	(713)
Total operating revenues		3,565	3,382
Operating Expenses
Personnel		499	509
Marketing		194	205
Network and processing		128	114
Professional fees		72	70
Depreciation and amortization		120	120
General and administrative		156	126
Total operating expenses		1,169	1,144
Operating income		2,396	2,238
Non-operating Income
Interest expense		(29)	(3)
Other		272	27
Total non-operating income		243	24
Income before income taxes		2,639	2,262
Income tax provision (Note 12)		698	693
Net income		$ 1,941	$ 1,569
Class A common stock
Earnings Per Share
Basic earnings per share (Note 10) (in dollars per share)	[1]	$ 0.80	$ 0.63
Basic weighted-average shares outstanding (Note 10) (in shares)		1,937	1,974
Diluted earnings per share (Note 10) (in dollars per share)	[1]	$ 0.80	$ 0.63
Diluted weighted-average shares outstanding (Note 10) (in shares)	[2]	2,430	2,478
Class B common stock
Earnings Per Share
Basic earnings per share (Note 10) (in dollars per share)	[1],[3]	$ 1.32	$ 1.05
Basic weighted-average shares outstanding (Note 10) (in shares)	[3]	245	245
Diluted earnings per share (Note 10) (in dollars per share)	[1],[3]	$ 1.32	$ 1.04
Diluted weighted-average shares outstanding (Note 10) (in shares)	[3]	245	245
Class C common stock
Earnings Per Share
Basic earnings per share (Note 10) (in dollars per share)	[1],[3]	$ 3.20	$ 2.54
Basic weighted-average shares outstanding (Note 10) (in shares)	[3]	20	22
Diluted earnings per share (Note 10) (in dollars per share)	[1],[3]	$ 3.20	$ 2.53
Diluted weighted-average shares outstanding (Note 10) (in shares)	[3]	20	22

[1] Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers. The number of shares and per share amounts for the prior periods presented have been retroactively adjusted to reflect the four-for-one stock split effected in the fiscal second quarter of 2015. See Note 9—Stockholders' Equity.

[2] 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 approximately 5 million common stock equivalents for the three months ended December 31, 2015 and 2014, because their effect would be dilutive. The computation excludes 1 million and 2 million of common stock equivalents for the three months ended December 31, 2015 and 2014, respectively, because their effect would have been anti-dilutive.

[3] The outstanding number of shares of class B and C common stock were not impacted by the stock split as these stockholders received an adjustment to their respective conversion ratios instead of stock dividends. See Note 9—Stockholders' Equity. Weighted-average basic and diluted shares outstanding for class B and C common stock are calculated based on the common shares outstanding of each respective class rather than on an as-converted basis.