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CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Operating Activities |  |
Net income | $ 9,553 | $ 8,436
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |
Client incentives | 6,605 | 5,691
Share-based compensation | 451 | 400
Depreciation and amortization | 496 | 461
Deferred income taxes | (68) | (154)
VE territory covered losses incurred | (60) | (15)
(Gains) losses on equity investments, net | 26 | 196
Other | 58 | (22)
Change in operating assets and liabilities: |  |
Settlement receivable | (1,335) | 147
Accounts receivable | 34 | (67)
Client incentives | (7,088) | (5,521)
Other assets | (258) | (77)
Accounts payable | (25) | (48)
Settlement payable | 1,143 | (493)
Accrued and other liabilities | (1,479) | (1,047)
Accrued litigation | 99 | 144
Net cash provided by (used in) operating activities | 8,152 | 8,031
Investing Activities |  |
Purchases of property, equipment and technology | (548) | (459)
Investment securities: |  |
Purchases | (3,686) | (2,487)
Proceeds from maturities and sales | 2,145 | 1,760
Acquisitions, net of cash and restricted cash acquired | (915) | 0
Purchases of other investments | (14) | (70)
Settlement of derivative instruments | 0 | 402
Other investing activities | (47) | 19
Net cash provided by (used in) investing activities | (3,065) | (835)
Financing Activities |  |
Repurchase of class A common stock | (6,338) | (5,309)
Repayments of debt | 0 | (2,250)
Dividends paid | (2,120) | (1,886)
Cash proceeds from issuance of class A common stock under equity plans | 183 | 118
Restricted stock and performance-based shares settled in cash for taxes | (181) | (118)
Other financing activities | 203 | 172
Net cash provided by (used in) financing activities | (8,253) | (9,273)
Effect of exchange rate changes on cash, cash equivalents, restricted cash and restricted cash equivalents | 124 | 828
Increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalents | (3,042) | (1,249)
Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period | 21,990 | 20,377
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period | 18,948 | 19,128
Supplemental Disclosure |  |
Cash paid for income taxes, net | 3,658 | 2,635
Interest payments on debt | 261 | 293
Accruals related to purchases of property, equipment and technology | $ 99 | $ 148

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