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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Cash flows from operating activities |  |
Net income | $ 1,979,000,000 | $ 1,897,000,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Loss on sale of business | 63,000,000 | 0
Gain on investment securities, net | (66,000,000) | (10,000,000)
Equity in net losses | 88,000,000 | 57,000,000
Stock-based compensation | 193,000,000 | 153,000,000
Depreciation | 587,000,000 | 682,000,000
Amortization | 43,000,000 | 46,000,000
Impairment of property and equipment | 14,000,000 | 129,000,000
Impairment of indefinite-lived intangible assets | 32,000,000 | 0
Changes in operating assets and liabilities, net of effect of businesses acquired and disposed: |  |
Receivables | 16,000,000 | (109,000,000)
Other assets | (1,374,000,000) | 258,000,000
Benefits payable | (351,000,000) | 884,000,000
Other liabilities | 1,317,000,000 | (498,000,000)
Unearned revenues | 5,000,000 | (71,000,000)
Other | 27,000,000 | 76,000,000
Net cash provided by operating activities | 2,573,000,000 | 3,494,000,000
Cash flows from investing activities |  |
Proceeds from sale of business, net | 115,000,000 | 0
Acquisitions, net of cash and cash equivalents acquired | (5,000,000) | (37,000,000)
Purchases of property and equipment, net | (344,000,000) | (421,000,000)
Purchases of investment securities | (5,198,000,000) | (6,042,000,000)
Proceeds from maturities of investment securities | 2,148,000,000 | 2,214,000,000
Proceeds from sales of investment securities | 5,066,000,000 | 1,758,000,000
Changes in securities lending collateral receivable | (141,000,000) | (361,000,000)
Net cash provided by (used in) investing activities | 1,641,000,000 | (2,889,000,000)
Cash flows from financing activities |  |
Payments from contract deposits, net | (1,164,000,000) | (638,000,000)
Proceeds from issuance of senior notes, net | 1,481,000,000 | 2,232,000,000
Repayments of senior notes | (771,000,000) | (48,000,000)
Repayments from issuance of commercial paper, net | (5,000,000) | (895,000,000)
Debt issue costs | (5,000,000) | (7,000,000)
Change in book overdraft | (95,000,000) | 3,000,000
Common stock repurchases | (109,000,000) | (768,000,000)
Dividends paid | (321,000,000) | (323,000,000)
Changes in securities lending payable | 141,000,000 | 361,000,000
Changes in rebate factor payable | (123,000,000) | 0
Other | (76,000,000) | (100,000,000)
Net cash used in financing activities | (1,047,000,000) | (183,000,000)
Increase in cash and cash equivalents | 3,167,000,000 | 422,000,000
Cash and cash equivalents at beginning of period | 2,221,000,000 | 4,694,000,000
Cash and cash equivalents at end of period | 5,388,000,000 | 5,116,000,000
Supplemental cash flow disclosures: |  |
Interest payments | 440,000,000 | 416,000,000
Income tax payments, net | 151,000,000 | 570,000,000
Details of businesses acquired in purchase transactions: |  |
Fair value of assets acquired, net of cash and cash equivalents acquired | 6,000,000 | 49,000,000
Less: Fair value of liabilities assumed | (1,000,000) | (12,000,000)
Cash paid for acquired businesses, net of cash and cash equivalents acquired | $ 5,000,000 | $ 37,000,000

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- Definition The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483499/205-20-50-1 + Details
Name: | us-gaap_TangibleAssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration