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Quarterly Financial Information (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2012
Quarterly Financial Information (Unaudited) [Abstract] |
Quarterly Financial Information (Unaudited) | The following table presents selected quarterly financial data for the periods presented:
|  | First Quarter |  |  | Second Quarter |  |  | Third Quarter |  |  | Fourth Quarter |
For the Year Ended December 31, 2012: |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 11,252.5 |  |  | $ | 9,789.8 |  |  | $ | 10,468.7 |  |  | $ | 11,072.1 |
Operating income |  |  | 748.9 |  |  |  | 749.1 |  |  |  | 788.5 |  |  |  | 822.7 |
Net income |  |  | 655.5 |  |  |  | 567.2 |  |  |  | 587.9 |  |  |  | 617.4 |
Net income attributable to limited partners |  |  | 651.3 |  |  |  | 566.3 |  |  |  | 586.8 |  |  |  | 615.5 |
Earnings per unit: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.76 |  |  | $ | 0.66 |  |  | $ | 0.68 |  |  | $ | 0.70 |
Diluted |  | $ | 0.73 |  |  | $ | 0.64 |  |  | $ | 0.66 |  |  | $ | 0.68 |
For the Year Ended December 31, 2011: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 10,183.7 |  |  | $ | 11,216.5 |  |  | $ | 11,327.1 |  |  | $ | 11,585.7 |
Operating income |  |  | 624.9 |  |  |  | 643.9 |  |  |  | 681.1 |  |  |  | 909.2 |
Net income |  |  | 434.5 |  |  |  | 448.5 |  |  |  | 479.5 |  |  |  | 725.8 |
Net income attributable to limited partners |  |  | 420.7 |  |  |  | 433.7 |  |  |  | 471.4 |  |  |  | 721.1 |
Earnings per unit: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.52 |  |  | $ | 0.53 |  |  | $ | 0.57 |  |  | $ | 0.85 |
Diluted |  | $ | 0.49 |  |  | $ | 0.51 |  |  | $ | 0.55 |  |  | $ | 0.82 |

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=20225539&loc=d3e1280-108306 + Details
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