Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows – operating activities:
Net (loss)/earnings	$ (574)	$ (1,082)
Non-cash items –
Share-based plans expense	381	352
Treasury shares issued for 401(k) contribution	862	612
Depreciation and amortization	913	984
Investment/asset impairment charges, net	12	72
Customer financing valuation adjustments	(3)	42
Gain on dispositions, net	(1)	(2)
Other charges and credits, net	33	260
Changes in assets and liabilities –
Accounts receivable	(433)	(350)
Unbilled receivables	(721)	(758)
Advances and progress billings	2,228	(907)
Inventories	(241)	(1,260)
Other current assets	313	144
Accounts payable	852	395
Accrued liabilities	(399)	(835)
Income taxes receivable, payable and deferred	(424)	(238)
Other long-term liabilities	(180)	(64)
Pension and other postretirement plans	(520)	(695)
Customer financing, net	419	50
Other	40	145
Net cash provided/(used) by operating activities	2,557	(3,135)
Cash flows – investing activities:
Payments to acquire property, plant and equipment	(764)	(612)
Proceeds from disposals of property, plant and equipment	13	16
Contributions to investments	(9,496)	(2,471)
Proceeds from investments	5,567	9,296
Other	(158)	2
Net cash (used)/provided by investing activities	(4,838)	6,231
Cash flows – financing activities:
New borrowings	38	15
Debt repayments	(5,123)	(1,013)
Stock options exercised	44	34
Employee taxes on certain share-based payment arrangements	(48)	(34)
Other	(4)
Net cash used by financing activities	(5,093)	(998)
Effect of exchange rate changes on cash and cash equivalents	2	(71)
Net (decrease)/increase in cash & cash equivalents, including restricted	(7,372)	2,027
Cash & cash equivalents, including restricted, at beginning of year	14,647	8,104
Cash & cash equivalents, including restricted, at end of period	7,275	10,131
Less restricted cash & cash equivalents, included in Investments	21	41
Cash and cash equivalents at end of period	$ 7,254	$ 10,090