Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 174	$ 306
Accounts receivable, net	158	166
Contract assets	968	872
Inventories	364	319
Prepaid expenses	19	20
Other current assets	29	24
Total current assets	1,712	1,707
Noncurrent assets:
Property plant and equipment, net	402	404
Intangible assets, net	167	172
Goodwill	1,236	1,236
Deferred tax assets	72	66
Other noncurrent assets	92	92
Total noncurrent assets	1,969	1,970
Total assets	3,681	3,677
Liabilities, Current [Abstract]
Short-term borrowings and current portion of long-term debt	250	29
Accounts payable	258	457
Contract liabilities	247	233
Other current liabilities	264	323
Total current liabilities	1,019	1,042
Noncurrent liabilities:
Long-term debt	360	365
Pension and other postretirement benefit plan liabilities	42	45
Deferred tax liabilities	6	0
Other noncurrent liabilities	111	98
Total noncurrent liabilities	519	508
Commitments and contingencies (Note 14)
Shareholders' equity
Preferred stock,$0.01 par value: 10,000,000 shares authorized; none issued	0	0
Common stock, $0.01 par value: 350,000,000 shares authorized; 260,553,101 issued	3	3
Additional paid-in capital	5,151	5,147
Accumulated deficit	(2,962)	(2,974)
Accumulated other comprehensive loss	(49)	(49)
Total shareholders' equity	2,143	2,127
Total liabilities and shareholders' equity	$ 3,681	$ 3,677