XML 121 R104.htm IDEA: XBRL DOCUMENT v3.6.0.2

Employee Benefit Plans (Summary of Pension Plan Asset Fair Values) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
U.S.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 2,274	$ 2,023	$ 2,124
Subtotal	601	510
U.S. | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	601	510
Subtotal	601	510
U.S. | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Subtotal	0	0
U.S. | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Subtotal	0	0
U.S. | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	533	447
U.S. | Equity securities | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	533	447
U.S. | Equity securities | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. | Equity securities | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. | Government debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0
U.S. | Government debt securities | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0
U.S. | Government debt securities | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0
U.S. | Government debt securities | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0
U.S. | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	47	41
U.S. | Mutual funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	47	41
U.S. | Mutual funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. | Mutual funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	21	22
U.S. | Cash and cash equivalents | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	21	22
U.S. | Cash and cash equivalents | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. | Cash and cash equivalents | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. | Insurance contracts
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. | Insurance contracts | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. | Insurance contracts | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. | Insurance contracts | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. | Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. | Real estate | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. | Real estate | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. | Real estate | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
U.S. | Common/collective trusts measured at NAV
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,673	1,513
U.S. | Other receivables
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0
Int’l.
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	796	742	$ 724
Subtotal	24	401
Int’l. | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5	382
Subtotal	5	382
Int’l. | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
Subtotal	0	0
Int’l. | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	19	19
Subtotal	19	19
Int’l. | Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	235
Int’l. | Equity securities | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	235
Int’l. | Equity securities | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Int’l. | Equity securities | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Int’l. | Government debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		144
Int’l. | Government debt securities | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		144
Int’l. | Government debt securities | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0
Int’l. | Government debt securities | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0
Int’l. | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Int’l. | Mutual funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Int’l. | Mutual funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Int’l. | Mutual funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Int’l. | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5	3
Int’l. | Cash and cash equivalents | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5	3
Int’l. | Cash and cash equivalents | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Int’l. | Cash and cash equivalents | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Int’l. | Insurance contracts
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	13	13
Int’l. | Insurance contracts | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Int’l. | Insurance contracts | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Int’l. | Insurance contracts | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	13	13
Int’l. | Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	6	6
Int’l. | Real estate | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Int’l. | Real estate | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Int’l. | Real estate | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	6	6
Int’l. | Common/collective trusts measured at NAV
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 772	339
Int’l. | Other receivables
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		$ 2

X

- Definition

Defined Benefit Plan, Fair Value Of Plan Assets, Before Assets Valued At NAV Practical Expediant And Other

+ References

No definition available.

+ Details

Name:	psx_DefinedBenefitPlanFairValueOfPlanAssetsBeforeAssetsValuedAtNAVPracticalExpediantAndOther
Namespace Prefix:	psx_
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_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 30
-Section 35
-Paragraph 50
-URI http://asc.fasb.org/extlink&oid=64937038&loc=d3e12355-114930

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Plan Assets
-URI http://asc.fasb.org/extlink&oid=6749337

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Plan Assets
-URI http://asc.fasb.org/extlink&oid=6520858

+ Details

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

X

- Details

Name:	us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=psx_MutualFundsDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=psx_InsuranceContractsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_RealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=psx_CommonOrCollectiveTrustsEquitySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_AccountsReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis=us-gaap_ForeignPensionPlansDefinedBenefitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: