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Consolidated Statements of Cash Flows - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Operating activities: |  |
Net income | $ 1,422 | $ 1,489
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 762 | 527
Stock-based compensation | 114 | 85
Deferred taxes | (116) | (239)
Loss on investments | 3 | 0
Net losses from unconsolidated investees | 45 | 65
Other | 31 | 26
Changes in assets and liabilities: |  |
Customer accounts receivable | (193) | (181)
Other current and non-current assets | (51) | (66)
Section 31 fees payable | 124 | (50)
Deferred revenue | 296 | 279
Other current and non-current liabilities | (232) | (130)
Total adjustments | 783 | 316
Net cash provided by operating activities | 2,205 | 1,805
Investing activities: |  |
Capital expenditures | (133) | (61)
Capitalized software development costs | (177) | (142)
Purchases of invested margin deposits | (858) | (771)
Proceeds from sales of invested margin deposits | 990 | 3,078
Cash paid for acquisitions, net of cash acquired | (8) | (5)
Proceeds from sale of Promissory Note | 75 | 0
Purchases of equity and equity method investments | (18) | (6)
Purchases of restricted investments | (655) | (949)
Proceeds from sales of restricted investments | 856 | 0
Net cash provided by investing activities | 72 | 1,144
Financing activities: |  |
Proceeds from debt issuances | 739 | 0
Repayments of debt | (1,600) | (4)
Proceeds from commercial paper, net | 33 | 0
Capital contributions from non-controlling interests | 0 | 9
Dividends paid to stockholders | (519) | (472)
Change in cash and cash equivalent margin deposits and guaranty funds liability | 1,017 | (57,380)
Payments relating to treasury shares received for restricted stock tax payments and stock option exercises | (73) | (50)
Other | 17 | 11
Net cash used in financing activities | (386) | (57,886)
Effect of exchange rate changes on cash, cash equivalents, restricted cash and cash equivalents, and cash and cash equivalent margin deposits and guaranty funds | (5) | 6
Net increase/(decrease) in cash, cash equivalents, restricted cash and cash equivalents, and cash and cash equivalent margin deposits and guaranty funds | 1,886 | (54,931)
Cash, cash equivalents, restricted cash and cash equivalents, and cash and cash equivalent margin deposits and guaranty funds at beginning of period | 80,750 | 150,343
Cash, cash equivalents, restricted cash and cash equivalents, and cash and cash equivalent margin deposits and guaranty funds at end of period | 82,636 | 95,412
Supplemental cash flow disclosure: |  |
Cash paid for income taxes | 516 | 536
Cash paid for interest | 450 | 341
Reconciliation of the components of cash, cash equivalents, restricted cash and cash equivalents, and cash and cash equivalent margin deposits and guaranty funds to the consolidated balance sheets: |  |
Cash and cash equivalents | 885 | 2,877
Short-term restricted cash and cash equivalents | 1,252 | 5,413
Long-term restricted cash and cash equivalents | 370 | 205
Cash and cash equivalent margin deposits and guaranty funds | 80,129 | 86,917
Total | $ 82,636 | $ 95,412

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