v3.25.1
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Cash flows from operating activities    
Net income (loss) including non-controlling interests $ 1,774 $ (663)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation and amortization 178 194
Stock-based compensation 435 484
Deferred income taxes (412) (16)
Unrealized loss (gain) on debt and equity securities, net (51) 721
Unrealized foreign currency transactions (51) 150
Other (27) (29)
Change in assets and liabilities, net of impact of business acquisitions and disposals:    
Accounts receivable (123) (422)
Prepaid expenses and other assets (497) (322)
Operating lease right-of-use assets 43 46
Accounts payable 6 46
Accrued insurance reserves 675 696
Accrued expenses and other liabilities 430 587
Operating lease liabilities (56) (56)
Net cash provided by operating activities 2,324 1,416
Cash flows from investing activities    
Purchases of property and equipment (74) (57)
Purchases of non-marketable equity securities (179) (174)
Purchases of marketable securities (2,540) (2,029)
Proceeds from maturities and sales of marketable securities 2,397 2,030
Other investing activities (146) (12)
Net cash used in investing activities (542) (242)
Cash flows from financing activities    
Principal repayment on term loan and notes 0 (6)
Principal payments on finance leases (47) (42)
Repurchases of common stock (1,785) 0
Other financing activities (30) (52)
Net cash used in financing activities (1,862) (100)
Effect of exchange rate changes on cash and cash equivalents, and restricted cash and cash equivalents 70 (94)
Net increase (decrease) in cash and cash equivalents, and restricted cash and cash equivalents (10) 980
Cash and cash equivalents, and restricted cash and cash equivalents    
Beginning of period 8,610 7,004
End of period 8,600 7,984
Reconciliation of cash and cash equivalents, and restricted cash and cash equivalents to the condensed consolidated balance sheets    
Cash and cash equivalents 5,132 5,019
Restricted cash and cash equivalents-current 1,253 808
Restricted cash and cash equivalents-non-current 2,215 2,157
Total cash and cash equivalents, and restricted cash and cash equivalents 8,600 7,984
Cash paid for:    
Interest, net of amount capitalized 174 142
Income taxes, net of refunds $ 55 $ 71