Condensed Consolidated Statements of Financial Position (Unaudited) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Assets
Cash and cash equivalents	$ 4,995	$ 2,245
Accounts receivable, net	1,958	1,326
Unbilled receivables, net	5,723	5,334
Inventoried costs, net	853	783
Prepaid expenses and other current assets	1,023	997
Total current assets	14,552	10,685
Property, plant and equipment, net of accumulated depreciation of $6,259 for 2020 and $5,850 for 2019	7,187	6,912
Operating lease right-of-use assets	1,479	1,511
Goodwill	18,711	18,708
Intangible assets, net	844	1,040
Deferred tax assets	188	508
Other non-current assets	1,811	1,725
Total assets	44,772	41,089
Liabilities
Trade accounts payable	2,197	2,226
Accrued employee compensation	1,847	1,865
Advance payments and billings in excess of costs incurred	2,235	2,237
Other current liabilities	3,830	3,106
Total current liabilities	10,109	9,434
Long-term debt, net of current portion of $1,806 for 2020 and $1,109 for 2019	14,260	12,770
Pension and other postretirement benefit plan liabilities	6,389	6,979
Operating lease liabilities	1,292	1,308
Deferred tax liabilities	39	0
Other non-current liabilities	2,216	1,779
Total liabilities	34,305	32,270
Commitments and contingencies (Note 6)
Shareholders’ equity
Preferred stock, $1 par value; 10,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $1 par value; 800,000,000 shares authorized; issued and outstanding: 2020—166,715,510 and 2019—167,848,424	167	168
Paid-in capital	27	0
Retained earnings	10,394	8,748
Accumulated other comprehensive loss	(121)	(97)
Total shareholders’ equity	10,467	8,819
Total liabilities and shareholders’ equity	$ 44,772	$ 41,089