Condensed Consolidated Balance Sheet - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Cash and cash equivalents	$ 8,001	$ 7,378
Accounts receivable, net	13,104	13,524
Contract assets, current	4,549	4,184
Inventory, net	11,506	10,950
Other assets, current	1,715	1,461
Total Current Assets	38,875	37,497
Customer financing assets	3,496	3,477
Future income tax benefits	1,444	1,611
Fixed assets	25,544	25,686
Less: Accumulated depreciation	13,060	12,931
Fixed assets, net	12,484	12,755
Operating Lease, Right-of-Use Asset	2,624	2,599
Goodwill	47,481	48,063
Intangible assets, net	25,600	26,046
Other assets	7,568	7,668
Total Assets	139,572	139,716
Short-term borrowings	1,725	2,364
Accounts payable	10,976	10,809
Accrued liabilities	11,055	11,737
Contract liabilities, current	6,384	6,180
Long-term debt currently due	1,362	3,496
Total Current Liabilities	31,502	34,586
Long-term debt	43,232	37,788
Future pension and postretirement benefit obligations	3,225	3,502
Operating Lease, Liability, Noncurrent	2,126	2,144
Other long-term liabilities	11,903	11,638
Total Liabilities	97,542	95,390
Redeemable noncontrolling interest	95	95
Common Stock	23,099	23,019
Treasury Stock	32,665	32,626
Retained earnings	60,826	61,594
Unearned ESOP shares	61	64
Accumulated other comprehensive loss	(11,788)	(10,149)
Total Shareowners' Equity	39,411	41,774
Stockholders' Equity Attributable to Noncontrolling Interest	2,524	2,457
Total Equity	41,935	44,231
Total Liabilities and Equity	139,572	139,716
Contract with Customer, Liability, Noncurrent	$ 5,554	$ 5,732