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Operating Segments (Details 2) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Reconciliation of segment profit to net income attributable to Plains |  |  |  |
Segment profit | $ 530 | $ 408 | $ 1,627 | $ 1,640
Unallocated general and administrative expenses | (1) |  | (3) |
Depreciation and amortization | (97) | (93) | (294) | (266)
Interest expense, net | (88) | (73) | (254) | (227)
Other income/(expense), net | (4) | 3 | (2) | 2
INCOME BEFORE TAX | 340 | 245 | 1,074 | 1,149
Income tax expense | (29) | (9) | (116) | (79)
NET INCOME | 311 | 236 | 958 | 1,070
Net income attributable to noncontrolling interests | (295) | (235) | (913) | (1,067)
NET INCOME ATTRIBUTABLE TO PAGP | $ 16 | $ 1 | $ 45 | $ 3

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- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line and which are not allocated to a specific operating segment. + References No definition available. + Details
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