Schedule H, Line 4i - Schedule of Assets (Details) - EBP 022 $ in Thousands	12 Months Ended
Dec. 31, 2025 USD ($) shares
EBP, Schedule of Asset Held for Investment [Line Items]
Entity tax identification number	73-0400345
Plan number	022
Current Value	$ 7,761,127
Current value, loan participants	35,265
Common Stock
EBP, Schedule of Asset Held for Investment [Line Items]
Current Value	1,072,048
Mutual Funds
EBP, Schedule of Asset Held for Investment [Line Items]
Current Value	781,204
Common/Collective Trusts
EBP, Schedule of Asset Held for Investment [Line Items]
Current Value	5,259,946
Synthetic Guaranteed Investment Contracts
EBP, Schedule of Asset Held for Investment [Line Items]
Current Value	$ 556,132
Minimum
EBP, Schedule of Asset Held for Investment [Line Items]
Participant loan, interest rate	3.25%
Maximum
EBP, Schedule of Asset Held for Investment [Line Items]
Participant loan, interest rate	8.50%
Investment, Identifier [Axis]: Brokerage Accounts \| Brokerage Link Self-Directed Brokerage Accounts
EBP, Schedule of Asset Held for Investment [Line Items]
Current Value	$ 46,576
Investment, Identifier [Axis]: Common Stock \| ConocoPhillips Leveraged Stock Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	1,083,503
Current Value	$ 101,428
Investment, Identifier [Axis]: Common Stock \| ConocoPhillips Stock Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	7,712,245
Current Value	$ 721,966
Investment, Identifier [Axis]: Common Stock \| Phillips 66 Leveraged Stock Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	544,181
Current Value	$ 70,223
Investment, Identifier [Axis]: Common Stock \| Phillips 66 Stock Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	1,382,745
Current Value	$ 178,431
Investment, Identifier [Axis]: Common/Collective Trusts \| BlackRock Equity Index Fund F
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	7,241,178
Current Value	$ 1,058,562
Investment, Identifier [Axis]: Common/Collective Trusts \| BlackRock MidCap Equity Index Fund F
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	1,082,790
Current Value	$ 189,319
Investment, Identifier [Axis]: Common/Collective Trusts \| BlackRock Russell 2000 Index Fund F
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	2,140,755
Current Value	$ 180,344
Investment, Identifier [Axis]: Common/Collective Trusts \| BlackRock U.S. Treasury Inflation Protected Securities Fund M
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	3,611,409
Current Value	$ 46,497
Investment, Identifier [Axis]: Common/Collective Trusts \| Fidelity Growth Company Commingled Pool Class F
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	6,913,784
Current Value	$ 615,534
Investment, Identifier [Axis]: Common/Collective Trusts \| Geode Capital Management Trust Spartan Total Market Index Pool
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	1,254,113
Current Value	$ 380,648
Investment, Identifier [Axis]: Common/Collective Trusts \| PIMCO Total Return Trust
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	9,383,681
Current Value	$ 149,201
Investment, Identifier [Axis]: Common/Collective Trusts \| State Street Global All Cap Equity Ex-U.S. Index Securities Lending Series Fund Class II
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	16,186,861
Current Value	$ 300,541
Investment, Identifier [Axis]: Common/Collective Trusts \| State Street U.S. Bond Index Securities Lending Series Fund Class XIV
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	15,216,100
Current Value	$ 175,594
Investment, Identifier [Axis]: Common/Collective Trusts \| Vanguard Target Retirement 2020 Trust
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	1,644,623
Current Value	$ 136,060
Investment, Identifier [Axis]: Common/Collective Trusts \| Vanguard Target Retirement 2025 Trust
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	1,966,830
Current Value	$ 183,584
Investment, Identifier [Axis]: Common/Collective Trusts \| Vanguard Target Retirement 2030 Trust
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	2,603,246
Current Value	$ 267,640
Investment, Identifier [Axis]: Common/Collective Trusts \| Vanguard Target Retirement 2035 Trust
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	2,315,669
Current Value	$ 260,953
Investment, Identifier [Axis]: Common/Collective Trusts \| Vanguard Target Retirement 2040 Trust
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	2,149,726
Current Value	$ 261,729
Investment, Identifier [Axis]: Common/Collective Trusts \| Vanguard Target Retirement 2045 Trust
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	2,402,363
Current Value	$ 308,848
Investment, Identifier [Axis]: Common/Collective Trusts \| Vanguard Target Retirement 2050 Trust
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	2,241,576
Current Value	$ 296,202
Investment, Identifier [Axis]: Common/Collective Trusts \| Vanguard Target Retirement 2055 Trust
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	1,538,096
Current Value	$ 202,982
Investment, Identifier [Axis]: Common/Collective Trusts \| Vanguard Target Retirement 2060 Trust
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	728,887
Current Value	$ 57,946
Investment, Identifier [Axis]: Common/Collective Trusts \| Vanguard Target Retirement 2065 Trust
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	742,931
Current Value	$ 36,463
Investment, Identifier [Axis]: Common/Collective Trusts \| Vanguard Target Retirement 2070 Trust
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	303,468
Current Value	$ 9,025
Investment, Identifier [Axis]: Common/Collective Trusts \| Vanguard Target Retirement Income & Growth Trust Plus
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	227,205
Current Value	$ 5,832
Investment, Identifier [Axis]: Common/Collective Trusts \| Vanguard Target Retirement Income Trust
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	2,186,214
Current Value	$ 136,442
Investment, Identifier [Axis]: Mutual Funds \| Vanguard International Growth Fund Admiral Shares
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	1,297,944
Current Value	$ 147,953
Investment, Identifier [Axis]: Mutual Funds \| Vanguard International Value Fund Investor Shares
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	2,799,973
Current Value	$ 115,415
Investment, Identifier [Axis]: Mutual Funds \| Vanguard Total International Bond Index Fund Institutional Shares
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	415,752
Current Value	$ 12,078
Investment, Identifier [Axis]: Mutual Funds \| Vanguard Treasury Money Market Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	248,641,139
Current Value	$ 248,641
Investment, Identifier [Axis]: Mutual Funds \| Vanguard Windsor II Fund Admiral Shares
EBP, Schedule of Asset Held for Investment [Line Items]
Description of investment including maturity date, rate of interest, collateral, par or maturity value \| shares	3,082,943
Current Value	$ 257,117
Investment, Identifier [Axis]: STIF \| Short-term investment fund, 3.67%
EBP, Schedule of Asset Held for Investment [Line Items]
Current Value	$ 9,956
Investment, interest rate	3.67%
Investment, Identifier [Axis]: Synthetic Guaranteed Investment Contracts \| IGT Dodge & Cox Core Fixed Income Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Current Value	$ 27,191
Investment, Identifier [Axis]: Synthetic Guaranteed Investment Contracts \| IGT Invesco Core Fixed Income Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Current Value	26,747
Investment, Identifier [Axis]: Synthetic Guaranteed Investment Contracts \| IGT Invesco Intermediate Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Current Value	55,551
Investment, Identifier [Axis]: Synthetic Guaranteed Investment Contracts \| IGT Invesco Short Term Bond Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Current Value	254,528
Investment, Identifier [Axis]: Synthetic Guaranteed Investment Contracts \| IGT Jennison Intermediate Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Current Value	53,661
Investment, Identifier [Axis]: Synthetic Guaranteed Investment Contracts \| IGT Loomis Sayles Core Fixed Income Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Current Value	27,292
Investment, Identifier [Axis]: Synthetic Guaranteed Investment Contracts \| IGT Loomis Sayles Intermediate Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Current Value	26,849
Investment, Identifier [Axis]: Synthetic Guaranteed Investment Contracts \| IGT PIMCO Core Fixed Income Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Current Value	28,524
Investment, Identifier [Axis]: Synthetic Guaranteed Investment Contracts \| IGT PIMCO Intermediate Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Current Value	26,423
Investment, Identifier [Axis]: Synthetic Guaranteed Investment Contracts \| Insurance Wrapper
EBP, Schedule of Asset Held for Investment [Line Items]
Current Value	$ 29,366

The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b-2

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Current value of investment, excluding plan interest in master trust, in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract.

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- Definition

Amount, after deemed distribution, of participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

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- Definition

Interest rate on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
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-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Number of shares or units of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

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- Definition

Interest rate on participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

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Plan number of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), in three-digit numeric format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- 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.

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