Plan Description (Details) - EBP 002	12 Months Ended
Dec. 31, 2025 USD ($) yr	Dec. 31, 2024 USD ($)
EBP, Description of Plan [Line Items]
Pretax, maximum annual compensation to total compensation, percentage	50.00%
After-tax Roth 401(k) basis, maximum annual compensation to total compensation, percentage	50.00%
Standard after-tax non-Roth 401(k) basis, maximum annual compensation to total compensation, percentage	25.00%
Maximum vesting age \| yr	72
Maximum vesting age, period of delay	1 year
Minimum borrowing, amount	$ 500
Maximum borrowing, amount	$ 50,000
Maximum borrowing, to total account, percentage	50.00%
Forfeited nonvested account	$ 376,825	$ 108,006
Accounts payable	$ 144,312	$ 50,207
One
EBP, Description of Plan [Line Items]
Employer contribution, fixed rate contribution, percentage	2.50%
Two
EBP, Description of Plan [Line Items]
Employer contribution, fixed rate contribution, percentage	5.00%
Three
EBP, Description of Plan [Line Items]
Employer contribution, fixed rate contribution, percentage	10.00%
Minimum
EBP, Description of Plan [Line Items]
Automatic deferral rate	3.00%
Minimum \| Two
EBP, Description of Plan [Line Items]
Participant compensation matched, minimum service period	6 years
Minimum \| Three
EBP, Description of Plan [Line Items]
Participant compensation matched, minimum service period	9 years
Maximum \| One
EBP, Description of Plan [Line Items]
Participant compensation matched, minimum service period	6 years
Maximum \| Two
EBP, Description of Plan [Line Items]
Participant compensation matched, minimum service period	9 years

EBP, Accrued Expenses, Unreimbursed Expenses Incurred By Sponsor

No definition available.

Name:	shel_EBPAccruedExpensesUnreimbursedExpensesIncurredBySponsor
Namespace Prefix:	shel_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Fixed rate annual contribution for eligible participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

No definition available.

+ Details

Name:	shel_EBPEmployerContributionAnnualFixedRateContributionPercentage
Namespace Prefix:	shel_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum Vesting age of participant for company contribution and/ or investment earning in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions.

+ References

No definition available.

+ Details

Name:	shel_EBPEmployerContributionMaximumVestingAge
Namespace Prefix:	shel_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Employer Contribution Maximum Vesting Age, Period of Delay

+ References

No definition available.

+ Details

Name:	shel_EBPEmployerContributionMaximumVestingAgePeriodOfDelay
Namespace Prefix:	shel_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Participant Contribution, After Tax Roth 401(k) Basis, Maximum Annual Compensation to Total Compensation, Percentage

+ References

No definition available.

+ Details

Name:	shel_EBPParticipantContributionAfterTaxRoth401kBasisMaximumAnnualCompensationToTotalCompensationPercentage
Namespace Prefix:	shel_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Participant Contribution, Standard After Tax Non-Roth 401(k) Basis, Maximum Annual Compensation to Total Compensation, Percentage

+ References

No definition available.

+ Details

Name:	shel_EBPParticipantContributionStandardAfterTaxNonRoth401kBasisMaximumAnnualCompensationToTotalCompensationPercentage
Namespace Prefix:	shel_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

EBP, Requisite Service Period

+ References

No definition available.

+ Details

Name:	shel_EBPRequisiteServicePeriod
Namespace Prefix:	shel_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of plan asset, in forfeited nonvested account, no longer allocated to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (j)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow to total participant account balance.

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of minimum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow.

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingAmount
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

+ Details

Name:	us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of maximum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total pretax annual compensation.

+ References

+ Details

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Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	dei_LegalEntityAxis=shel_EBP002Member
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
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Balance Type:
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	shel_EBPRequisiteServicePeriodAxis=shel_EBP.RequisiteServicePeriodThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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