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Equity Compensation Plans | 6 Months Ended
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Jun. 30, 2011
Equity Compensation Plans. |
Equity Compensation Plans |
Note 11—Equity Compensation Plans For discussion of our equity compensation awards, see Note 10 to our Consolidated Financial Statements included in Part IV of our 2010 Annual Report on Form 10-K. Our equity compensation activity for awards denominated in PAA and PNG units is summarized in the following table (units in millions):
|  | PAA Units |  |  | PNG Units |
|  | Units |  | Weighted Average Grant Date Fair Value per Unit |  |  | Units |  | Weighted Average Grant Date Fair Value per Unit |
Outstanding, December 31, 2010 |  | 4.4 |  | $ | 41.69 |  |  | 1.0 |  | $ | 20.55 |
Granted |  | 0.3 |  | $ | 54.50 |  |  | — |  | $ | — |
Vested |  | (0.6 | ) | $ | 40.88 |  |  | (0.1 | ) | $ | 23.67 |
Cancelled or forfeited |  | (0.1 | ) | $ | 41.56 |  |  | — |  | $ | — |
Outstanding, June 30, 2011 |  | 4.0 |  | $ | 43.06 |  |  | 0.9 |  | $ | 20.41 |
The table below summarizes the expense recognized and the value of vesting (settled both in units and cash) related to our equity compensation plans (in millions):
|  | Three Months Ended |  | Six Months Ended |
|  | June 30, |  | June 30, |
|  | 2011 |  | 2010 |  | 2011 |  | 2010 |
Equity compensation expense |  | $ | 27 |  | $ | 14 |  | $ | 46 |  | $ | 33 |
LTIP unit vestings (1) |  | $ | 23 |  | $ | 25 |  | $ | 23 |  | $ | 25 |
LTIP cash settled vestings |  | $ | 18 |  | $ | 10 |  | $ | 18 |  | $ | 10 |
DER cash payments |  | $ | 1 |  | $ | 1 |  | $ | 2 |  | $ | 2 |
(1) For the three and six months ended June 30, 2011, approximately $1 million relates to unit vestings which were settled with PNG units.

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- Definition Disclosure of compensation-related costs for share-based compensation which may include disclosure of policies, compensation plan details, allocation of stock compensation, incentive distributions, share-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64, 65, A240 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 93-6 -Paragraph 53 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 + Details
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