Condensed Consolidated Balance Sheet - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Cash and cash equivalents	$ 10,001	$ 4,937
Accounts receivable, net	10,115	8,743
Contract assets	9,617	4,462
Inventory, net	9,843	9,047
Assets related to discontinued operations	56	31,823
Other assets, current	3,879	2,565
Total Current Assets	43,511	61,577
Customer financing assets	3,314	3,463
Future income tax benefits	699	884
Fixed assets	25,600	20,077
Accumulated depreciation	(10,870)	(9,755)
Fixed assets, net	14,730	10,322
Operating lease right-of-use assets	2,027	1,252
Goodwill	53,524	36,609
Intangible assets, net	41,564	24,473
Other assets	3,030	1,035
Total Assets	162,399	139,615
Short-term borrowings	228	2,293
Accounts payable	8,143	7,816
Accrued liabilities	13,558	9,770
Contract liabilities	12,208	9,014
Liabilities related to discontinued operations	118	14,443
Long-term debt currently due	1,307	3,258
Total Current Liabilities	35,562	46,594
Long-term debt	31,246	37,701
Operating lease liabilities, non-current	1,651	1,093
Future pension and postretirement benefit obligations	14,688	2,487
Other long-term liabilities	9,142	7,414
Total Liabilities	92,289	95,289
Commitments and contingencies (Note 17)
Redeemable noncontrolling interest	30	95
Common Stock	36,833	23,019
Treasury Stock	(10,407)	(32,626)
Retained earnings	50,017	61,594
Unearned ESOP Shares	(52)	(64)
Accumulated other comprehensive loss	(8,012)	(10,149)
Total Shareowners' Equity	68,379	41,774
Noncontrolling interest	1,701	2,457
Total Equity	70,080	44,231
Total Liabilities, Redeemable Noncontrolling Interests and Equity	$ 162,399	$ 139,615