Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021		Dec. 31, 2020		Dec. 31, 2019
Cash flows - operation activities:
Net loss	$ (4,290)		$ (11,941)		$ (636)
Non-cash items -
Share-based plans expense	833		250		212
Treasury shares issued for 401(k) contribution	1,233		195
Depreciation and amortization	2,144		2,246		2,271
Investment/asset impairment charges, net	98		410		443
Customer financing valuation adjustments			12		250
Gain/(loss) on dispositions, net	(277)		(202)		(691)
787 and 777X reach-forward losses	3,460		6,493
Other charges and credits, net	360		1,462		334
Changes in assets and liabilities –
Accounts receivable	(713)		909		603
Unbilled receivables	(586)		919		982
Advances and progress billings	2,505		(1,060)		737
Inventories	(1,127)		(11,002)		(12,391)
Other current assets	345		372		(682)
Accounts payable	(3,783)		(5,363)		1,600
Accrued liabilities	(3,687)		1,074		7,781
Income taxes receivable, payable and deferred	733		(2,576)		(2,476)
Other long-term liabilities	(206)		(222)		(621)
Pension and other postretirement plans	(972)		(794)		(777)
Customer financing, net	210		173		419
Other	304		235		196
Net cash used by operating activities	(3,416)		(18,410)		(2,446)
Cash flows - investing activities:
Property, plant and equipment additions	(980)		(1,303)		(1,834)
Proceeds from disposals of property, plant and equipment	529		296		334
Acquisitions, net of cash acquired	(6)				(455)
Proceeds from dispositions					464
Contributions to investments	(35,713)		(37,616)		(1,658)
Proceeds from investments	45,489		20,275		1,759
Purchase of distribution rights					127
Other	5		(18)		(13)
Net cash provided/(used) by investing activities	9,324		(18,366)		(1,530)
Cash flows - financing activities
New borrowings	9,795		47,248		25,389
Debt repayments	(15,371)		(10,998)		(12,171)
Contributions from noncontrolling interests					7
Stock options exercised	42		36		58
Employee taxes on certain share-based payment arrangements	(66)		(173)		(248)
Common shares repurchased					(2,651)
Dividends paid			(1,158)		(4,630)
Other					(15)
Net Cash Provided by (Used in) Financing Activities, Total	(5,600)		34,955		5,739
Effect of exchange rate changes on cash and cash equivalents	(39)		85		(5)
Net increase/(decrease) in cash & cash equivalents, including restricted	269		(1,736)		1,758
Cash & cash equivalents, including restricted, at beginning of year	7,835		9,571		7,813
Cash & cash equivalents, including restricted, at end of year	8,104		7,835		9,571
Less restricted cash & cash equivalents, included in Investments	(52)	[1]	(83)	[1]	(86)
Cash and cash equivalents at end of year	$ 8,052		$ 7,752		$ 9,485

[1] Reflects amounts restricted in support of our property sales, workers’ compensation programs and insurance premiums.Allowance for losses on available for sale debt instruments are assessed quarterly. All instruments are considered investment grade and, as such, we have not recognized an allowance for credit losses as of December 31, 2021.