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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Cash flows from operating activities |  |
Net income | $ 1,417 | $ 2,194
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Loss on investment securities, net | 0 | 45
Equity in net losses | 41 | 27
Stock-based compensation | 100 | 89
Depreciation | 454 | 410
Amortization | 31 | 34
Impairment of property and equipment | 87 | 0
Changes in operating assets and liabilities, net of effect of businesses acquired and disposed: |  |
Receivables | (2,055) | 269
Other assets | 592 | (1,141)
Benefits payable | 1,205 | 978
Other liabilities | (327) | (170)
Unearned revenues | 47 | 7,092
Other | 44 | 36
Net cash provided by operating activities | 1,636 | 9,863
Cash flows from investing activities |  |
Acquisitions, net of cash and cash equivalents acquired | (17) | (189)
Purchases of property and equipment, net | (291) | (487)
Purchases of investment securities | (2,962) | (2,737)
Proceeds from maturities of investment securities | 1,355 | 577
Proceeds from sales of investment securities | 499 | 811
Net cash used in investing activities | (1,416) | (2,025)
Cash flows from financing activities |  |
Receipts from contract deposits, net | 285 | 3,510
Proceeds from issuance of senior notes, net | 2,232 | 1,215
Repayments of senior notes | (34) | (349)
(Repayments) issuance of commercial paper, net | (895) | 238
Repayment of term loan | 0 | (500)
Debt issue costs | (7) | (4)
Change in book overdraft | 2 | 159
Common stock repurchases | (766) | (623)
Dividends paid | (216) | (211)
Other | (14) | (120)
Net cash provided by financing activities | 587 | 3,315
Increase in cash and cash equivalents | 807 | 11,153
Cash and cash equivalents at beginning of period | 4,694 | 5,061
Cash and cash equivalents at end of period | 5,501 | 16,214
Supplemental cash flow disclosures: |  |
Interest payments | 250 | 175
Income tax payments, net | 362 | 681
Details of businesses acquired in purchase transactions: |  |
Fair value of assets acquired, net of cash and cash equivalents acquired | 26 | 346
Less: Fair value of liabilities assumed | (9) | (162)
Less: Noncontrolling interests acquired | 0 | 5
Cash paid for acquired businesses, net of cash and cash equivalents acquired | $ 17 | $ 189

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