Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 28, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 2,933	$ 3,160
Receivables, net	2,214	1,978
Contract assets	10,908	9,545
Inventories	3,256	3,545
Other current assets	941	1,150
Total current assets	20,252	19,378
Property, plant and equipment, net	7,213	7,213
Goodwill	10,799	10,806
Intangible assets, net	2,930	3,012
Deferred income taxes	3,375	3,475
Other noncurrent assets	6,868	6,826
Total assets	51,437	50,710
Current liabilities
Accounts payable	1,889	880
Contract liabilities	7,255	7,545
Salaries, benefits and payroll taxes	2,794	3,163
Current maturities of long-term debt	506	500
Other current liabilities	2,273	1,845
Total current liabilities	14,717	13,933
Long-term debt, net	11,657	11,669
Accrued pension liabilities	12,643	12,874
Other noncurrent liabilities	6,087	6,196
Total liabilities	45,104	44,672
Stockholders’ equity
Common stock, $1 par value per share	278	279
Additional paid-in capital	65	221
Retained earnings	21,977	21,636
Accumulated other comprehensive loss	(16,008)	(16,121)
Total stockholders’ equity	6,312	6,015
Noncontrolling interests in subsidiary	21	23
Total equity	6,333	6,038
Total liabilities and equity	$ 51,437	$ 50,710