Condensed Consolidated Statements of Income (Loss) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenue
Segment revenue	$ 767	$ 807	$ 2,272	$ 2,556
Operating Costs and Expenses
Cost of services (excluding depreciation and amortization)	631	656	1,866	2,068
Selling, general and administrative (excluding depreciation and amortization)	96	115	316	346
Research and development (excluding depreciation and amortization)	1	1	3	4
Depreciation and amortization	48	44	144	157
Restructuring and related costs	12	4	24	21
Interest expense	12	16	36	62
(Gain) loss on divestitures and transaction costs, net	1	(188)	8	(696)
Litigation settlements (recoveries), net	0	1	2	6
Loss on extinguishment of debt	1	1	1	6
Other (income) expenses, net	3	(2)	4	(4)
Total Operating Costs and Expenses	805	648	2,404	1,970
Income (Loss) Before Income Taxes	(38)	159	(132)	586
Income tax expense (benefit)	8	36	5	148
Net Income (Loss)	$ (46)	$ 123	$ (137)	$ 438
Net Income (Loss) per Share:
Basic (in USD per share)	$ (0.30)	$ 0.75	$ (0.90)	$ 2.28
Diluted (in USD per share)	$ (0.30)	$ 0.72	$ (0.90)	$ 2.22

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Name:	us-gaap_CostOfGoodsAndServicesSold
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Total costs of sales and operating expenses for the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2