Consolidated Statements of Financial Position - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Assets
Cash and cash equivalents	$ 2,541	$ 2,319
Accounts receivable, net	3,299	2,841
Inventoried costs, net	816	807
Prepaid expenses and other current assets	200	367
Total current assets	6,856	6,334
Property, plant and equipment, net of accumulated depreciation of $4,831 in 2016 and $4,849 in 2015	3,588	3,064
Goodwill	12,450	12,460
Deferred tax assets	1,462	1,409
Other non-current assets	1,258	1,157
Total assets	25,614	24,424
Liabilities
Trade accounts payable	1,554	1,282
Accrued employee compensation	1,342	1,195
Advance payments and amounts in excess of costs incurred	1,471	1,537
Other current liabilities	1,263	1,443
Total current liabilities	5,630	5,457
Long-term debt, net of current portion of $12 in 2016 and $110 in 2015	7,058	6,386
Pension and other post-retirement benefit plan liabilities	6,818	6,172
Other non-current liabilities	849	887
Total liabilities	20,355	18,902
Commitments and contingencies (Note 11)
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: 2016—175,068,263 and 2015—181,303,083	175	181
Retained earnings	10,630	10,661
Accumulated other comprehensive loss	(5,546)	(5,320)
Total shareholders’ equity	5,259	5,522
Total liabilities and shareholders’ equity	$ 25,614	$ 24,424