The percentage of the distribution that the general partner is entitled to based on its ownership.

No definition available.

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- Definition

Date of record for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

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-Publisher FASB

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-Topic 272

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-Topic 272

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-Paragraph 1

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- Definition

Date of declaration for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

+ References

+ Details

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- Definition

Date of distribution for distribution of cash or unit to limited partner of limited partnership (LP), in CCYY-MM-DD format.

+ References

+ Details

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- Definition

Cash dividends declared or paid to each outstanding limited partnership unit during the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 4

-Section F

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- Definition

Distributions from earnings to the general partner of a partnership included in the consolidated financial statements.

+ References

No definition available.

+ Details

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- Definition

Amount of incentive obligation paid in cash or stock during the period to a limited liability corporation managing member or limited partnership general partner.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

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-Section S99

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-Subparagraph (SX 210.3-04)

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- Definition

The total amount of distributions to limited partners.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 272

-SubTopic 10

-Section 50

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- Definition

Total distributions to each class of partners (i.e., general, limited and preferred partners).

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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Partners' Capital and Distributions (Details 4) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended												12 Months Ended			0 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Feb. 13, 2015
Partners Capital and Distribution
Distributions paid to common unit holders													$ 934	$ 791	$ 684
Distributions paid to General Partner - 2%													19us-gaap_GeneralPartnerDistributions	16us-gaap_GeneralPartnerDistributions	14us-gaap_GeneralPartnerDistributions
Distributions paid to General Partner - Incentive													454	353	271
Total distributions paid during the period													1,410	1,209	1,017
Cash distributions per limited partner unit (in dollars per unit)	$ 0.6600	$ 0.6450	$ 0.6300	$ 0.6150	$ 0.6000	$ 0.5875	$ 0.5750	$ 0.5625	$ 0.5425	$ 0.5325	$ 0.5225	$ 0.5125	$ 2.5500	$ 2.3250	$ 2.11
General Partner Interest Distribution Percentage													2.00%
Subsequent Event \| Fourth Quarter Distribution
Partners Capital and Distribution
Distributions paid to common unit holders																254
Distributions paid to General Partner - 2%																5
Distributions paid to General Partner - Incentive																131
Total distributions paid during the period																390
Cash distributions per limited partner unit (in dollars per unit)																$ 0.6750
Distribution declared, date													Jan. 08, 2015
Unitholders of record, date													Jan. 30, 2015
Distribution Date													Feb. 13, 2015
General Partner Interest Distribution Percentage																2.00%
Partners' Capital Excluding Noncontrolling Interests
Partners Capital and Distribution
Total distributions paid during the period													$ 1,407	$ 1,160	$ 969