Condensed Consolidated Statements Of Financial Position (Unaudited) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Current Assets
Cash and cash equivalents	$ 631	$ 75
Accounts receivable, net	494	318
Contract assets	1,134	989
Inventoried costs, net	160	136
Income taxes receivable	104	148
Assets held for sale	173	95
Prepaid expenses and other current assets	43	24
Total current assets	2,739	1,785
Property, plant, and equipment, net	2,879	2,832
Operating lease assets	174	201
Goodwill	1,576	1,373
Other intangible assets, net	542	492
Deferred tax assets	78	108
Miscellaneous other assets	245	240
Total assets	8,233	7,031
Current Liabilities
Trade accounts payable	437	497
Accrued employees' compensation	301	265
Current portion of postretirement plan liabilities	130	130
Current portion of workers' compensation liabilities	230	225
Contract liabilities	573	373
Liabilities held for sale	93	77
Other current liabilities	350	323
Total current liabilities	2,114	1,890
Long-term debt	2,276	1,286
Pension plan liabilities	882	975
Other postretirement plan liabilities	376	380
Workers' compensation liabilities	464	457
Long-term operating lease liabilities	147	164
Other long-term liabilities	296	291
Total liabilities	6,555	5,443
Commitments and Contingencies (Note 16)
Stockholders' Equity
Common stock	1	1
Additional paid-in capital	1,961	1,961
Retained earnings (deficit)	3,150	3,009
Treasury stock	(2,058)	(1,974)
Accumulated other comprehensive income (loss)	(1,376)	(1,409)
Total stockholders' equity	1,678	1,588
Total liabilities and stockholders' equity	$ 8,233	$ 7,031