Condensed Consolidated Statements Of Financial Position - USD ($) $ in Millions		Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents		$ 9,235	$ 8,813	$ 8,190
Short-term and other investments		656	1,179
Accounts receivable, net		2,802	2,894
Unbilled receivables, net		9,822	8,194
Current portion of customer financing, net		244	309
Inventories		61,303	61,388
Other current assets		2,481	2,417
Total current assets		86,543	85,194
Customer financing, net		2,753	2,756
Property, plant and equipment, net of accumulated depreciation of $17,894 and $17,641		12,628	12,672
Goodwill		5,558	5,559
Acquired intangible assets, net		2,525	2,573
Deferred income taxes		325	321
Investments		1,248	1,260
Other assets, net of accumulated amortization of $514 and $482		1,969	2,027
Total assets		113,549	112,362
Liabilities and equity
Accounts payable		12,613	12,202
Accrued liabilities		10,983	13,069
Advances and progress billings		49,955	48,042
Short-term debt and current portion of long-term debt		1,981	1,335
Total current liabilities		75,532	74,648
Deferred income taxes		2,001	2,188
Accrued retiree health care		5,494	5,545
Accrued pension plan liability, net		16,279	16,471
Other long-term liabilities		2,474	2,015
Long-term debt		10,471	9,782
Shareholders' equity:
Common stock, par value $5.00 – 1,200,000,000 shares authorized; 1,012,261,159 shares issued		5,061	5,061
Additional paid-in capital		6,624	6,804
Treasury stock, at cost - 428,038,987 and 421,222,326 shares		46,396	43,454
Retained earnings		52,095	49,618
Accumulated other comprehensive loss	[1]	(16,162)	(16,373)	(13,415)	$ (13,623)
Total shareholders’ equity		1,222	1,656
Noncontrolling interests		76	57
Total equity		1,298	1,713	$ 1,323	$ 1,917
Total liabilities and equity		$ 113,549	$ 112,362

[1] Net of tax.