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Consolidated Statements of Cash Flows - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jul. 31, 2021 | Jul. 31, 2020 | Jul. 31, 2019
Cash flows from operating activities: |  |  |
Net income | $ 2,062 | $ 1,826 | $ 1,557
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation | 166 | 189 | 199
Amortization of acquired intangible assets | 197 | 29 | 26
Non-cash operating lease cost | 62 | 60 | 0
Share-based compensation expense | 753 | 435 | 401
Deferred income taxes | (42) | (179) | (7)
Other | (39) | 6 | 15
Total adjustments | 1,097 | 540 | 634
Originations of loans held for sale | (41) | (566) | 0
Sale and principal payments of loans held for sale | 143 | 482 | 0
Changes in operating assets and liabilities: |  |  |
Accounts receivable | (104) | (59) | 11
Income taxes receivable | (51) | 53 | 5
Prepaid expenses and other assets | 30 | (31) | (37)
Accounts payable | 206 | 33 | 90
Accrued compensation and related liabilities | (70) | 100 | 16
Deferred revenue | 22 | 38 | 39
Operating lease liabilities | (66) | (61) | 0
Other liabilities | 22 | 59 | 9
Total changes in operating assets and liabilities | (11) | 132 | 133
Net cash provided by operating activities | 3,250 | 2,414 | 2,324
Cash flows from investing activities: |  |  |
Purchases of corporate and customer fund investments | (1,489) | (701) | (752)
Sales of corporate and customer fund investments | 229 | 130 | 84
Maturities of corporate and customer fund investments | 550 | 596 | 303
Purchases of property and equipment | (53) | (59) | (76)
Capitalization of internal use software | (72) | (78) | (79)
Acquisitions of businesses, net of cash acquired | (3,064) | 0 | (64)
Originations of term loans to small businesses | (232) | (243) | (316)
Principal repayments of term loans from small businesses | 136 | 287 | 267
Other | 30 | (29) | (2)
Net cash used in investing activities | (3,965) | (97) | (635)
Cash flows from financing activities: |  |  |
Proceeds from issuance of long-term debt, net of discount and issuance costs | 0 | 1,983 | 0
Proceeds from borrowings under unsecured revolving credit facility | 0 | 1,000 | 0
Repayments on borrowings under unsecured revolving credit facility | (1,000) | 0 | 0
Proceeds from borrowings under secured revolving credit facility | 0 | 0 | 48
Repayment of debt | (338) | (50) | (50)
Proceeds from issuance of stock under employee stock plans | 196 | 211 | 284
Payments for employee taxes withheld upon vesting of restricted stock units | (383) | (244) | (251)
Cash paid for purchases of treasury stock | (1,005) | (323) | (556)
Dividends and dividend rights paid | (646) | (561) | (501)
Net change in customer fund deposits | 2 | 19 | 69
Other | (2) | (1) | (8)
Net cash provided by (used in) financing activities | (3,176) | 2,034 | (965)
Effect of exchange rates on cash, cash equivalents, restricted cash, and restricted cash equivalents | 13 | (6) | (3)
Net increase (decrease) in cash, cash equivalents, restricted cash, and restricted cash equivalents | (3,878) | 4,345 | 721
Cash, cash equivalents, restricted cash, and restricted cash equivalents at beginning of period | 6,697 | 2,352 | 1,631
Cash, cash equivalents, restricted cash, and restricted cash equivalents at end of period | 2,819 | 6,697 | 2,352
Cash and cash equivalents | 2,562 | 6,442 | 2,116
Restricted cash and restricted cash equivalents included in funds held for customers | 257 | 255 | 236
Total cash, cash equivalents, restricted cash, and restricted cash equivalents at end of period | 2,819 | 6,697 | 2,352
Supplemental disclosure of cash flow information: |  |  |
Interest paid | 30 | 14 | 17
Income taxes paid | 578 | 493 | 325
Supplemental schedule of non-cash investing activities: |  |  |
Issuance of common stock in a business combination | $ 3,798 | $ 0 | $ 0

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- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=123431023&loc=SL98516268-108586 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(1)(a)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3044-108585 + Details
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- Definition Value of stock issued pursuant to acquisitions during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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