Represents the number of operating crude oil rail terminals acquired in a business acquisition.

No definition available.

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- Definition

Represents the number of terminals under development acquired in a business acquisition.

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No definition available.

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- Definition

Represents the net proceeds from issuance of common units and senior notes used to prefund an acquisition.

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No definition available.

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- Definition

The amount of acquisition cost of a business combination allocated to imputed interest.

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No definition available.

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- Definition

The pro forma net Income or Loss allocated to limited partners for the period as if the business combination or combinations had been completed at the beginning of a period.

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No definition available.

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- Definition

Amount of environmental liability recognized as of the acquisition date.

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No definition available.

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- Definition

Amount of linefill recognized as of the acquisition date.

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No definition available.

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- Definition

Amount of long-term inventory recognized as of the acquisition date.

+ References

No definition available.

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- Definition

Amount of working capital recognized as of the acquisition date.

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No definition available.

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- Definition

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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No definition available.

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- Definition

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

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- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

-Paragraph 7

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-SubTopic 30

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-Subparagraph (b)

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

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-Topic 805

-SubTopic 10

-Section 55

-Paragraph 37

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- Definition

Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

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- Definition

Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 20

-Section 50

-Paragraph 1

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-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

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- Definition

The number of businesses acquired by the entity during the period.

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No definition available.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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No definition available.

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Acquisitions and Dispositions (Detail) (USD $)	12 Months Ended			0 Months Ended	1 Months Ended	0 Months Ended
Acquisitions and Dispositions (Detail) (USD $)	Dec. 31, 2012	Dec. 31, 2014 entity	Dec. 31, 2013	Apr. 01, 2012	Mar. 31, 2012	Dec. 12, 2012	Nov. 14, 2014
Business acquisition, allocation of fair value of assets and liabilities
Goodwill	$ 2,535,000,000us-gaap_Goodwill	$ 2,465,000,000us-gaap_Goodwill	$ 2,503,000,000us-gaap_Goodwill
Selected unaudited pro forma results of operations:
Pro Forma, Total revenues	38,729,000,000
Pro forma, Net income attributable to PAA	1,149,000,000
Pro forma, limited partner interest in net income attributable to PAA	846,000,000
Pro forma, Basic net income per limited partner unit (in dollars per unit)	$ 2.57
Pro forma, Diluted net income per limited partner unit (in dollars per unit)	$ 2.55
BridgeTex Pipeline Company, LLC
Business acquisition
Interest acquired (as a percent)		50.00%					50.00%
Other 2014 Acquisitions
Business acquisition
Number of additional acquisitions completed (in entities)		2
Consideration		11,000,000
Business acquisition, allocation of fair value of assets and liabilities
Goodwill		1,000,000
2013 Acquisitions
Business acquisition
Consideration			19,000,000
Business acquisition, allocation of fair value of assets and liabilities
Goodwill			6,000,000
BP NGL Acquisition
Business acquisition
Consideration				1,680,000,000
Imputed interest				17,000,000
Business acquisition, allocation of fair value of assets and liabilities
Working capital	241,000,000
Property and equipment	1,081,000,000
Linefill	85,000,000
Long-term inventory	165,000,000
Intangible assets (contract)	130,000,000
Goodwill	236,000,000
Deferred tax liability	(236,000,000)
Environmental liability	(14,000,000)
Other long-term liabilities	(5,000,000)
Total net assets acquired	1,683,000,000
Net proceeds from issuance of common units and senior notes					1,690,000,000
Acquisition-related costs	13,000,000
Finite Lived Intangible assets
Average Depreciable Life	13 years
BP NGL Acquisition \| Minimum
Property and equipment, useful life
Average Depreciable Life	5 years
BP NGL Acquisition \| Maximum
Property and equipment, useful life
Average Depreciable Life	70 years
USD Rail Terminal Acquisition
Business acquisition
Consideration						503,000,000
Number of operating crude oil rail terminals acquired						4
Number of terminals under development acquired						1
Business acquisition, allocation of fair value of assets and liabilities
Working capital	1,000,000
Property and equipment	76,000,000
Goodwill	426,000,000
Other 2012 Acquisitions
Business acquisition
Consideration	150,000,000
Business acquisition, allocation of fair value of assets and liabilities
Goodwill	$ 10,000,000