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Operating Segments (Tables) | 3 Months Ended
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Mar. 31, 2016
Operating Segments |
Segment financial data | The following table reflects certain financial data for each segment (in millions):
Three Months Ended March 31, 2016 |  | Transportation |  | Facilities |  | Supply and Logistics |  | Total |
Revenues: |  |  |  |  |  |  |  |  |
External Customers |  | $ | 154 |  | $ | 138 |  | $ | 3,819 |  | $ | 4,111 |
Intersegment (1) |  | 229 |  | 127 |  | 2 |  | 358 |
Total revenues of reportable segments |  | $ | 383 |  | $ | 265 |  | $ | 3,821 |  | $ | 4,469 |
Equity earnings in unconsolidated entities |  | $ | 47 |  | $ | — |  | $ | — |  | $ | 47 |
Segment profit (2) (3) |  | $ | 247 |  | $ | 159 |  | $ | 37 |  | $ | 443 |
Maintenance capital |  | $ | 35 |  | $ | 9 |  | $ | 3 |  | $ | 47 |
Three Months Ended March 31, 2015 |  | Transportation |  | Facilities |  | Supply and Logistics |  | Total |
Revenues: |  |  |  |  |  |  |  |  |
External Customers |  | $ | 185 |  | $ | 125 |  | $ | 5,632 |  | $ | 5,942 |
Intersegment (1) |  | 215 |  | 132 |  | 2 |  | 349 |
Total revenues of reportable segments |  | $ | 400 |  | $ | 257 |  | $ | 5,634 |  | $ | 6,291 |
Equity earnings in unconsolidated entities |  | $ | 37 |  | $ | — |  | $ | — |  | $ | 37 |
Segment profit (2) (3) |  | $ | 241 |  | $ | 142 |  | $ | 130 |  | $ | 513 |
Maintenance capital |  | $ | 33 |  | $ | 15 |  | $ | 2 |  | $ | 50 |
| (1) |  | Segment revenues include intersegment amounts that are eliminated in “Purchases and related costs” and “Field operating costs” in our Condensed Consolidated Statements of Operations. Intersegment sales are conducted at posted tariff rates, rates similar to those charged to third parties or rates that we believe approximate market at the time the agreement is executed or renegotiated. For further discussion, see “Analysis of Operating Segments” under Item 7 of our 2015 Annual Report on Form 10-K.
| (2) |  | Supply and Logistics segment profit includes interest expense (related to hedged inventory purchases) of $2 million and $1 million for the three months ended March 31, 2016 and 2015, respectively.
| (3) |  | The following table reconciles segment profit to net income attributable to PAA (in millions):
|  | Three Months Ended March 31, |
|  | 2016 |  | 2015 |
Segment profit |  | $ | 443 |  | $ | 513 |
Depreciation and amortization |  | (114 | ) | (104 | )
Interest expense, net |  | (112 | ) | (105 | )
Other income/(expense), net |  | 5 |  | (4 | )
Income before tax |  | 222 |  | 300 |
Income tax expense |  | (19 | ) | (16 | )
Net income |  | 203 |  | 284 |
Net income attributable to noncontrolling interests |  | (1 | ) | (1 | )
Net income attributable to PAA |  | $ | 202 |  | $ | 283 |
Reconciliation of segment profit to net income attributable to PAA | The following table reconciles segment profit to net income attributable to PAA (in millions):
|  | Three Months Ended March 31, |
|  | 2016 |  | 2015 |
Segment profit |  | $ | 443 |  | $ | 513 |
Depreciation and amortization |  | (114 | ) | (104 | )
Interest expense, net |  | (112 | ) | (105 | )
Other income/(expense), net |  | 5 |  | (4 | )
Income before tax |  | 222 |  | 300 |
Income tax expense |  | (19 | ) | (16 | )
Net income |  | 203 |  | 284 |
Net income attributable to noncontrolling interests |  | (1 | ) | (1 | )
Net income attributable to PAA |  | $ | 202 |  | $ | 283 |

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- Definition Tabular disclosure of all significant reconciling items in the reconciliation of total profit or loss from reportable segments, to the entity's consolidated income before income taxes, extraordinary items, and discontinued operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8906-108599 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8736-108599 + Details
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