XML 96 R82.htm IDEA: XBRL DOCUMENT v3.25.4

Segment Information (Schedule Of Long-Lived Assets By Geographical Segment) (Details) - Operating Segments [Member] - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Total Countries
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Net	$ 2,164.5	$ 2,017.4
SPAIN
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Net	627.4	484.8
Brazil
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Net	352.2	413.9
United Kingdom
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Net	262.1	290.4
U.S.
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Net	268.7	314.3
Angola
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Net	234.6	132.6
Other countries [Member]
Segment Reporting Information [Line Items]
Property, Plant and Equipment, Net	$ 419.5	$ 381.4

X

- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 41
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-41

+ Details

Name:	us-gaap_NoncurrentAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_SegmentReportingInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_StatementGeographicalAxis=val_TotalCountriesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_ES
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_BR
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_GB
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_AO
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=val_OtherCountriesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: