Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 278	$ 598
Accounts receivable, net	265	253
Contract assets	1,016	872
Inventories	400	358
Prepaid expenses	26	27
Other current assets	40	55
Total current assets	2,025	2,163
Noncurrent assets:
Property, plant and equipment, net	463	440
Intangible assets, net	120	132
Goodwill	1,238	1,238
Deferred tax assets	118	120
Other noncurrent assets	115	91
Total noncurrent assets	2,054	2,021
Total assets	4,079	4,184
Current liabilities:
Short-term borrowings and current portion of long-term debt	22	25
Accounts payable	265	426
Contract liabilities	436	399
Other current liabilities	235	266
Total current liabilities	958	1,116
Noncurrent liabilities:
Long-term debt	331	340
Pension and other postretirement benefit plan liabilities	29	34
Deferred tax liabilities	6	7
Other noncurrent liabilities	155	130
Total noncurrent liabilities	521	511
Commitments and contingencies (Note 13)
Stockholders' 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; 266,185,454 and 265,064,755 shares issued and outstanding as of June 30, 2025 and December 31, 2024, respectively	3	3
Additional paid-in capital	5,128	5,194
Accumulated deficit	(2,489)	(2,593)
Accumulated other comprehensive loss	(42)	(47)
Total stockholders' equity	2,600	2,557
Total liabilities and stockholders' equity	$ 4,079	$ 4,184