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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2012
Commitments and Contingencies |
Future non-cancelable commitments relating to operating and capital leases and third-party operation agreements | Future non-cancelable commitments related to these items at December 31, 2012, are summarized below (in millions):
|  | 2013 |  | 2014 |  | 2015 |  | 2016 |  | 2017 |  | Thereafter |  | Total |
Leases (1) |  | $ | 113 |  | $ | 110 |  | $ | 101 |  | $ | 88 |  | $ | 61 |  | $ | 343 |  | $ | 816 |
Other commitments (2) |  | 31 |  | 21 |  | 18 |  | 15 |  | 14 |  | 37 |  | 136 |
Total |  | $ | 144 |  | $ | 131 |  | $ | 119 |  | $ | 103 |  | $ | 75 |  | $ | 380 |  | $ | 952 |
(1) Includes capital and operating leases as defined by the FASB guidance. (2) Primarily includes third-party storage and transportation agreements and pipeline throughput agreements.

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- Definition Tabular disclosure of the aggregate amount of payments due on known contractual obligations for the five years following the date of the latest balance sheet and the combined aggregate amount of maturities of known contractual obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph a -Subparagraph 5 + Details
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