CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Operating Activities
Net income	$ 3,272	$ 2,977
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Client incentives (Note 2)	1,748	1,456
Share-based compensation (Note 11)	116	100
Depreciation and amortization of property, equipment, technology and intangible assets	182	159
Deferred income taxes	(47)	139
VE territory covered losses incurred (Note 4)	(4)	(91)
Other	(50)	9
Change in operating assets and liabilities:
Settlement receivable	(183)	(1,551)
Accounts receivable	(107)	(200)
Client incentives	(1,943)	(1,361)
Other assets	123	(37)
Accounts payable	(12)	(46)
Settlement payable	218	1,739
Accrued and other liabilities	136	(54)
Accrued litigation (Note 13)	426	55
Net cash provided by (used in) operating activities	3,875	3,294
Investing Activities
Purchases of property, equipment and technology	(191)	(157)
Investment securities:
Purchases	(400)	(1,124)
Proceeds from maturities and sales	1,202	1,233
Acquisitions, net of cash acquired	(77)	0
Purchases of / contributions to other investments	(9)	(22)
Proceeds / distributions from other investments	1	0
Other investing activities	36	0
Net cash provided by (used in) investing activities	562	(70)
Financing Activities
Repurchase of class A common stock (Note 9)	(2,370)	(2,393)
Dividends paid (Note 9)	(671)	(572)
Cash proceeds from issuance of common stock under employee equity plans	55	48
Restricted stock and performance-based shares settled in cash for taxes	(147)	(101)
Net cash provided by (used in) financing activities	(3,133)	(3,018)
Effect of exchange rate changes on cash and cash equivalents	127	(68)
Increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalents	1,431	138
Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period (Note 3)	10,832	10,977
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period (Note 3)	12,263	11,115
Supplemental Disclosure
Income taxes paid, net of refunds	345	168
Interest payments on debt	234	234
Accruals related to purchases of property, equipment and technology	$ 66	$ 34

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