Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 26, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 2,727	$ 3,160
Receivables, net	2,267	1,978
Contract assets	12,697	9,545
Inventories	2,903	3,545
Other current assets	763	1,150
Total current assets	21,357	19,378
Property, plant and equipment, net	7,332	7,213
Goodwill	10,815	10,806
Intangible assets, net	2,768	3,012
Deferred income taxes	2,664	3,475
Other noncurrent assets	6,907	6,826
Total assets	51,843	50,710
Current liabilities
Accounts payable	1,520	880
Contract liabilities	7,515	7,545
Salaries, benefits and payroll taxes	3,122	3,163
Current maturities of long-term debt	6	500
Other current liabilities	2,863	1,845
Total current liabilities	15,026	13,933
Long-term debt, net	11,668	11,669
Accrued pension liabilities	9,351	12,874
Other noncurrent liabilities	6,167	6,196
Total liabilities	42,212	44,672
Stockholders’ equity
Common stock, $1 par value per share	274	279
Additional paid-in capital	98	221
Retained earnings	21,476	21,636
Accumulated other comprehensive loss	(12,217)	(16,121)
Total stockholders’ equity	9,631	6,015
Noncontrolling interests in subsidiary	0	23
Total equity	9,631	6,038
Total liabilities and equity	$ 51,843	$ 50,710