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Equity Indexed Compensation Plans (Tables) | 6 Months Ended
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Jun. 30, 2013
Equity-Indexed Compensation Plans |
Summary of Class B unit awards |
|  | Reserved for Future Grants |  | Outstanding |  | Outstanding Units Earned |  |  | Grant Date Fair Value of Outstanding Class B Units (1) (in millions) |
Balance at December 31, 2012 |  | 17,875 |  | 182,125 |  | 130,250 |  |  | $ | 44 |
Granted |  | (4,500 | ) | 4,500 |  | — |  |  | 7 |
Earned |  | N/A |  | N/A |  | 26,000 |  |  | N/A |
Balance at June 30, 2013 |  | 13,375 |  | 186,625 |  | 156,250 |  |  | $ | 51 |
(1) Of the grant date fair value, approximately $2 million was recognized as expense during the six months ended June 30, 2013.
Summary of equity compensation activity |
|  | PAA Units (1) (2) (3) |  | PNG Units (4) (5) |
|  | Units |  | Weighted Average Grant Date Fair Value per Unit |  |  | Units |  | Weighted Average Grant Date Fair Value per Unit |
Outstanding at December 31, 2012 |  | 6.0 |  | $ | 25.55 |  |  | 0.9 |  | $ | 17.49 |
Granted |  | 4.1 |  | $ | 47.57 |  |  | 0.4 |  | $ | 17.34 |
Vested |  | (1.8 | ) | $ | 24.77 |  |  | — |  | $ | 14.77 |
Cancelled or forfeited |  | (0.2 | ) | $ | 35.70 |  |  | — |  | $ | 14.40 |
Outstanding at June 30, 2013 |  | 8.1 |  | $ | 36.66 |  |  | 1.3 |  | $ | 17.57 |
(1) Amounts do not include Class B Units of Plains AAP, L.P. (2) Amounts include Special PAA Awards. (3) Approximately 0.5 million common units were issued, net of approximately 0.3 million units withheld for taxes, for PAA units that vested during the six months ended June 30, 2013. The remaining 1.0 million PAA units that vested were settled in cash. (4) Amounts include PNG Transaction Grants. (5) Less than 0.1 million PNG common units vested and less than 0.1 million common units were forfeited during the six months ended June 30, 2013.
Summary of expense recognized and value of vesting related to equity-indexed compensation plans |
|  | Three Months Ended |  | Six Months Ended |
|  | June 30, |  | June 30, |
|  | 2013 |  | 2012 |  | 2013 |  | 2012 |
Equity-indexed compensation expense |  | $ | 27 |  | $ | 20 |  | $ | 78 |  | $ | 60 |
LTIP unit-settled vestings (1) |  | $ | 46 |  | $ | 33 |  | $ | 46 |  | $ | 58 |
LTIP cash-settled vestings |  | $ | 60 |  | $ | 29 |  | $ | 60 |  | $ | 65 |
DER cash payments |  | $ | 2 |  | $ | 2 |  | $ | 4 |  | $ | 4 |
(1) For each of the three and six months ended June 30, 2012, approximately $1 million relates to unit-settled vestings that were settled with PNG common units.

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- Definition Tabular disclosure of the changes in a particular unit class of the general partner. Includes changes in units reserved for future grants and outstanding units. + References No definition available. + Details
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- Definition Disclosure that sets forth the equity compensation plan expense, the fair value of vesting (settled both in units and cash) related to the equity compensation plans, and the cash payments related to distribution equivalent rights for the period. + References No definition available. + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested performance-based units. + 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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