v3.7.0.1

Note 14 - Quarterly Financial Data (Unaudited) | 12 Months Ended
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Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract] |
QUARTERLY FINANCIAL DATA (UNAUDITED) | QUARTERLY FINANCIAL DATA (UNAUDITED)
| Quarters |  |
| First |  | Second |  | Third |  | Fourth |  | Total Year
2016 | (In millions, except per unit amounts)
Revenues | $ | 300 |  |  | $ | 293 |  |  | $ | 308 |  |  | $ | 319 |  |  | $ | 1,220 |
Operating expenses | 117 |  |  | 112 |  |  | 112 |  |  | 128 |  |  | 469 |
Operating income | 119 |  |  | 118 |  |  | 127 |  |  | 123 |  |  | 487 |
Net earnings | 85 |  |  | 76 |  |  | 81 |  |  | 73 |  |  | 315 |
Limited partners' interest in net earnings | 60 |  |  | 47 |  |  | 48 |  |  | 32 |  |  | 187 |
Net earnings per limited partner unit (a): |  |  |  |  |  |  |  |  |
Common - basic | $ | 0.64 |  |  | $ | 0.48 |  |  | $ | 0.46 |  |  | $ | 0.31 |  |  | $ | 1.87 |
Common - diluted | $ | 0.64 |  |  | $ | 0.48 |  |  | $ | 0.46 |  |  | $ | 0.31 |  |  | $ | 1.87 |
2015 |  |  |  |  |  |  |  |  |
Revenues | $ | 263 |  |  | $ | 275 |  |  | $ | 282 |  |  | $ | 292 |  |  | $ | 1,112 |
Operating expenses | 101 |  |  | 115 |  |  | 117 |  |  | 135 |  |  | 468 |
Operating income | 99 |  |  | 97 |  |  | 100 |  |  | 97 |  |  | 393 |
Net earnings | 65 |  |  | 60 |  |  | 65 |  |  | 59 |  |  | 249 |
Limited partners' interest in net earnings | 50 |  |  | 49 |  |  | 54 |  |  | 46 |  |  | 199 |
Net earnings per limited partner unit (a): |  |  |  |  |  |  |  |  |
Common - basic | $ | 0.63 |  |  | $ | 0.60 |  |  | $ | 0.62 |  |  | $ | 0.49 |  |  | $ | 2.33 |
Common - diluted | $ | 0.63 |  |  | $ | 0.60 |  |  | $ | 0.62 |  |  | $ | 0.49 |  |  | $ | 2.33 |
(a) | The sum of four quarters may not equal annual results due to rounding or the quarterly number of units outstanding.

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=68076893&loc=d3e1570-108306 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e765-108305 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e725-108305 + Details
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