Condensed Consolidated Statement of Cash Flows Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021		Jun. 30, 2020
Cash flows - operation activities:
Net earnings/(loss)	$ 6		$ (3,036)
Non-cash items -
Share-based plans expense	493		115
Treasury shares issued for 401(k) contribution	628
Depreciation and amortization	1,087		1,103
Investment/asset impairment charges, net	38		280
Customer financing valuation adjustments	(1)		9
Gain on dispositions, net	(114)		(92)
Other charges and credits, net	(1)		815
Changes in assets and liabilities -
Accounts receivable	(523)		143
Unbilled receivables	(1,207)		285
Advances and progress billings	251		1,822
Inventories	(413)		6,741
Other current assets	324		433
Accounts payable	(2,035)		(3,181)
Accrued liabilities	(2,613)		514
Income taxes receivable, payable and deferred	(130)		(1,894)
Other long-term liabilities	(127)		(109)
Pension and other postretirement plans	(576)		(357)
Customer financing, net	83		62
Other	134		247
Net cash used by operating activities	(3,870)		(9,582)
Cash flows - investing activities:
Property, plant and equipment additions	(513)		(776)
Property, plant and equipment reductions	51		96
Contributions to investments	(20,108)		(12,557)
Proceeds from investments	24,989		543
Other	4		8
Net cash provided/(used) by investing activities	4,423		(12,686)
Cash flows - financing activities:
New borrowings	9,826		42,302
Debt repayments	(9,882)		(8,265)
Stock options exercised	29		27
Employee taxes on certain share-based payment arrangements	(40)		(164)
Dividends paid			(1,158)
Net cash (used)/provided by financing activities	(67)		32,742
Effect of exchange rate changes on cash and cash equivalents, including restricted	(14)		(11)
Net increase in cash & cash equivalents, including restricted	472		10,463
Cash & cash equivalents, including restricted, at beginning of year	7,835		9,571
Cash & cash equivalents, including restricted, at end of period	8,307		20,034
Restricted Cash and Cash Equivalents	(36)	[1]	(42)
Cash and cash equivalents at end of period	$ 8,271		$ 19,992

[1] Reflects amounts restricted in support of our workers’ compensation programs, employee benefit programs, and insurance premiums.