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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Cash flows – operating activities: |  |
Net loss | $ (355) | $ (425)
Non-cash items – |  |
Share-based plans expense | 119 | 222
Treasury shares issued for 401(k) contribution | 606 | 553
Depreciation and amortization | 442 | 457
Investment/asset impairment charges, net | 21 | 11
Other charges and credits, net | 10 | 33
Changes in assets and liabilities – |  |
Accounts receivable | (328) | (341)
Unbilled receivables | (1,357) | (1,055)
Advances and progress billings | 2,718 | 1,417
Inventories | (3,778) | (390)
Other current assets | (249) | 82
Accounts payable | (264) | 231
Accrued liabilities | (666) | (769)
Income taxes receivable, payable and deferred | (59) | (122)
Other long-term liabilities | (83) | (117)
Pension and other postretirement plans | (261) | (244)
Financing receivables and operating lease equipment, net | 79 | 101
Other | 43 | 38
Net cash used by operating activities | (3,362) | (318)
Cash flows – investing activities: |  |
Payments to acquire property, plant and equipment | (567) | (468)
Proceeds from disposals of property, plant and equipment | 11 | 5
Contributions to investments | (243) | (3,561)
Proceeds from investments | 2,907 | 2,203
Other | (34) | (2)
Net cash provided/(used) by investing activities | 2,074 | (1,823)
Cash flows – financing activities: |  |
New borrowings | 27 | 17
Debt repayments | (4,442) | (1,699)
Stock options exercised |  | 44
Employee taxes on certain share-based payment arrangements | (65) | (42)
Other | 18 |
Net cash used by financing activities | (4,462) | (1,680)
Effect of exchange rate changes on cash and cash equivalents | (28) | 10
Net decrease in cash & cash equivalents, including restricted | (5,778) | (3,811)
Cash & cash equivalents, including restricted, at beginning of year | 12,713 | 14,647
Cash & cash equivalents, including restricted, at end of period | 6,935 | 10,836
Less restricted cash & cash equivalents, included in Investments | 21 | 24
Cash and cash equivalents at end of period | $ 6,914 | $ 10,812

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