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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
REVENUES |  |  |  |
Total revenues | $ 5,833 | $ 7,886 | $ 17,327 | $ 24,515
COSTS AND EXPENSES |  |  |  |
Purchases and related costs | 5,107 | 6,855 | 15,000 | 21,218
Field operating costs | 254 | 316 | 811 | 983
General and administrative expenses | 61 | 74 | 201 | 225
Depreciation and amortization | 160 | 156 | 493 | 439
(Gains)/losses on asset sales and asset impairments, net (Note 14) | (2) | (7) | 617 | (7)
Goodwill impairment losses (Note 6) | 0 | 0 | 2,515 | 0
Total costs and expenses | 5,580 | 7,394 | 19,637 | 22,858
OPERATING INCOME/(LOSS) | 253 | 492 | (2,310) | 1,657
OTHER INCOME/(EXPENSE) |  |  |  |
Equity earnings in unconsolidated entities | 89 | 102 | 280 | 274
Gain on/(impairment of) investments in unconsolidated entities, net (Note 7) | (91) | 4 | (182) | 271
Interest expense (net of capitalized interest of $6, $7, $17 and $29, respectively) | (113) | (108) | (329) | (311)
Other income/(expense), net | 5 | 5 | (7) | 23
INCOME/(LOSS) BEFORE TAX | 143 | 495 | (2,548) | 1,914
Current income tax expense | (17) | (19) | (39) | (72)
Deferred income tax (expense)/benefit | 20 | (22) | 32 | 30
NET INCOME/(LOSS) | 146 | 454 | (2,555) | 1,872
Net income attributable to noncontrolling interests | (3) | (5) | (7) | (7)
NET INCOME/(LOSS) ATTRIBUTABLE TO PAA | 143 | 449 | (2,562) | 1,865
NET INCOME/(LOSS) PER COMMON UNIT (NOTE 4): |  |  |  |
Net income/(loss) allocated to common unitholders — Basic | 93 | 399 | (2,712) | 1,710
Net income/(loss) allocated to common unitholders — Diluted | $ 93 | $ 436 | $ (2,712) | $ 1,826
Common Units |  |  |  |
NET INCOME/(LOSS) PER COMMON UNIT (NOTE 4): |  |  |  |
Basic weighted average common units outstanding (units) | 728 | 728 | 728 | 727
Basic net income/(loss) per common unit (usd per unit) | $ 0.13 | $ 0.55 | $ (3.72) | $ 2.35
Diluted weighted average common units outstanding (units) | 728 | 800 | 728 | 800
Diluted net income/(loss) per common unit (usd per unit) | $ 0.13 | $ 0.55 | $ (3.72) | $ 2.28
Supply and Logistics |  |  |  |
REVENUES |  |  |  |
Total revenues | $ 5,537 | $ 7,541 | $ 16,370 | $ 23,477
Transportation |  |  |  |
REVENUES |  |  |  |
Total revenues | 146 | 196 | 484 | 581
OTHER INCOME/(EXPENSE) |  |  |  |
Equity earnings in unconsolidated entities | 87 | 102 | 276 | 274
Facilities |  |  |  |
REVENUES |  |  |  |
Total revenues | 150 | $ 149 | 473 | $ 457
OTHER INCOME/(EXPENSE) |  |  |  |
Equity earnings in unconsolidated entities | $ 2 |  | $ 4 |

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