Condensed Consolidated Balance Sheet - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Cash and cash equivalents	$ 7,341	$ 6,152
Accounts receivable, net	13,607	14,271
Contract assets, current	4,316	3,486
Inventory, net	11,242	10,083
Other assets, current	1,310	1,511
Total Current Assets	37,816	35,503
Customer financing assets	3,372	3,023
Future income tax benefits	1,699	1,646
Fixed assets	24,649	24,084
Less: Accumulated depreciation	12,449	11,787
Fixed assets, net	12,200	12,297
Operating Lease, Right-of-Use Asset	2,556	0
Goodwill	48,041	48,112
Intangible assets, net	25,686	26,424
Other assets	7,639	7,206
Total Assets	139,009	134,211
Short-term borrowings	1,327	1,469
Accounts payable	10,840	11,080
Accrued liabilities	11,672	10,223
Contract liabilities, current	6,233	5,720
Long-term debt currently due	5,495	2,876
Total Current Liabilities	35,567	31,368
Long-term debt	37,782	41,192
Future pension and postretirement benefit obligations	3,855	4,018
Operating Lease, Liability, Noncurrent	2,105	0
Other long-term liabilities	16,774	16,914
Total Liabilities	96,083	93,492
Commitments and contingent liabilities (Note 15)
Redeemable noncontrolling interest	107	109
Common Stock	22,873	22,514
Treasury Stock	32,588	32,482
Retained earnings	61,069	57,823
Unearned ESOP shares	67	76
Accumulated other comprehensive loss	(10,819)	(9,333)
Total Shareowners' Equity	40,468	38,446
Stockholders' Equity Attributable to Noncontrolling Interest	2,351	2,164
Total Equity	42,819	40,610
Total Liabilities and Equity	$ 139,009	$ 134,211