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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
REVENUES |  |  |  |
Total revenues | $ 7,886 | $ 8,792 | $ 24,515 | $ 25,269
COSTS AND EXPENSES |  |  |  |
Purchases and related costs | 6,855 | 7,768 | 21,218 | 22,838
Field operating costs | 316 | 326 | 983 | 931
General and administrative expenses | 74 | 74 | 225 | 232
Depreciation and amortization | 156 | 129 | 439 | 385
(Gains)/losses on asset sales and asset impairments, net | (7) | 2 | (7) | (79)
Total costs and expenses | 7,394 | 8,299 | 22,858 | 24,307
OPERATING INCOME | 492 | 493 | 1,657 | 962
OTHER INCOME/(EXPENSE) |  |  |  |
Equity earnings in unconsolidated entities | 102 | 110 | 274 | 281
Gain on investment in unconsolidated entities | 4 | 210 | 271 | 210
Interest expense (net of capitalized interest of $7, $8, $29 and $21, respectively) | (108) | (110) | (311) | (327)
Other income/(expense), net | 5 | (3) | 23 | 8
INCOME BEFORE TAX | 495 | 700 | 1,914 | 1,134
Current income tax expense | (19) | (14) | (72) | (34)
Deferred income tax (expense)/benefit | (22) | 24 | 30 | (1)
NET INCOME | 454 | 710 | 1,872 | 1,099
Net income attributable to noncontrolling interests | (5) |  | (7) |
NET INCOME ATTRIBUTABLE TO PAA | 449 | 710 | 1,865 | 1,099
NET INCOME PER COMMON UNIT (NOTE 4): |  |  |  |
Net income allocated to common unitholders — Basic | 399 | 658 | 1,710 | 946
Net income allocated to common unitholders — Diluted | $ 436 | $ 697 | $ 1,826 | $ 947
Common Units |  |  |  |
NET INCOME PER COMMON UNIT (NOTE 4): |  |  |  |
Basic weighted average common units outstanding (units) | 728 | 726 | 727 | 726
Basic net income per common unit (usd per unit) | $ 0.55 | $ 0.91 | $ 2.35 | $ 1.30
Diluted weighted average common units outstanding (units) | 800 | 799 | 800 | 728
Diluted net income per common unit (usd per unit) | $ 0.55 | $ 0.87 | $ 2.28 | $ 1.30
Supply and Logistics |  |  |  |
REVENUES |  |  |  |
Total revenues | $ 7,541 | $ 8,482 | $ 23,477 | $ 24,374
Transportation |  |  |  |
REVENUES |  |  |  |
Total revenues | 196 | 161 | 581 | 458
OTHER INCOME/(EXPENSE) |  |  |  |
Equity earnings in unconsolidated entities | 102 | 110 | 274 | 281
Facilities |  |  |  |
REVENUES |  |  |  |
Total revenues | $ 149 | $ 149 | $ 457 | $ 437

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