Equity-Indexed Compensation Plans (Details 3) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended	89 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014
Grant Date Fair Value of Outstanding AAP Management Units
Equity-indexed compensation expense	$ 98	$ 116	$ 101
AAP Management Units
Equity-Indexed Compensation Plans
Authorized grants (in units)	52.1			52.1
Maximum participation in excess of distribution (as a percent)	8.00%
Threshold for participation in distributions	11
Reserved for Future Grants
Reserved for future grants, beginning balance (in units)	3.5	4.7
Granted (in units)	(0.5)	(1.2)
Reserved for future grants, ending balance (in units)	3.0	3.5	4.7	3.0
Outstanding
Outstanding, beginning balance (in units)	48.6	47.4
Granted (in units)	0.5	1.2
Outstanding, ending balance (in units)	49.1	48.6	47.4	49.1
Outstanding Units Earned
Outstanding Units Earned, beginning balance (in units)	47.0	34.0
Earned (in units)	0.8	13.0
Outstanding Units Earned, ending balance (in units)	47.8	47.0	34.0	47.8
Grant Date Fair Value of Outstanding AAP Management Units
Grant Date Fair Value of Outstanding AAP Management Units, beginning balance	51	44
Granted	13	7
Grant Date Fair Value of Outstanding AAP Management Units, ending balance	64	51	44	64
Equity-indexed compensation expense	$ 7	$ 5	$ 6	$ 55
AAP Management Units \| Range of annualized vesting distribution amount for all units outstanding
Equity-Indexed Compensation Plans
Annualized distribution, low end of range (in dollars per unit)	$ 1.75
Annualized distribution, high end of range (in dollars per unit)	$ 3.10
Number of days after achievement of distribution that units will become earned, in some cases	180 days
AAP Management Units \| Range of annualized vesting distribution amount for units that yet to become earned
Equity-Indexed Compensation Plans
Units outstanding (in units)	1.3			1.3
Annualized distribution, low end of range (in dollars per unit)	$ 2.55
Annualized distribution, high end of range (in dollars per unit)	$ 3.10
Number of days after achievement of distribution that units will become earned, in some cases	180 days

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The threshold limit beyond which the holders of the awards are entitled to participate in distributions, if the entity makes such distributions.

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No definition available.

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- Definition

The percentage of maximum participation in excess of threshold distribution level as adjusted for debt service costs and excluding special distributions funded by debt.

+ References

No definition available.

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- Definition

The number of shares outstanding/issued under a share-based award plan which have become earned during the reporting period as certain performance conditions have been met giving the grantee the right to receive quarterly distributions.

+ References

No definition available.

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- Definition

Represents the grant date fair value of units granted.

+ References

No definition available.

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The grant date fair value of outstanding units.

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No definition available.

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- Definition

The number of outstanding awards on non-stock option plans for which the employer has issued equity instruments to an employee, including both employees who have and who have not yet satisfied service or performance criteria necessary to gain title to distributions to the shares.

+ References

No definition available.

+ Details

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- Definition

The number of authorized units of the general partnership that have not yet been granted/issued and are reserved for future grants.

+ References

No definition available.

+ Details

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- Definition

The number of outstanding awards on non-stock option plans for which the employer has issued equity instruments to an employee and the units issued have been earned as required performance conditions have been met, giving the employee the right to receive quarterly distributions.

+ References

No definition available.

+ Details

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- Definition

The length of time, in days, after the achievement of the specified distribution level, after which units will become earned, in some cases.

+ References

No definition available.

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- Definition

The floor of a customized range of annualized distribution amounts required for vesting.

+ References

No definition available.

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The ceiling of a customized range of annualized distribution amounts required for vesting.

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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-Subparagraph (c)(2)(iii)(1)

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

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