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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
REVENUES    
Total revenues $ 11,995 $ 12,341
COSTS AND EXPENSES    
Purchases and related costs 10,917 11,323
Field operating costs 358 357
General and administrative expenses 96 86
Depreciation and amortization 254 256
(Gains)/losses on asset sales, net   (154)
Total costs and expenses 11,625 11,868
OPERATING INCOME 370 473
OTHER INCOME/(EXPENSE)    
Equity earnings in unconsolidated entities 95 89
Interest expense (net of capitalized interest of $2 and $2, respectively) (95) (98)
Other income/(expense), net (5) 64
INCOME BEFORE TAX 365 528
Current income tax expense (53) (61)
Deferred income tax benefit 39 8
NET INCOME 351 475
Net income attributable to noncontrolling interests (85) (53)
NET INCOME ATTRIBUTABLE TO PAA 266 422
NET INCOME PER COMMON UNIT (NOTE 3):    
Net income allocated to common unitholders - Basic 203 361
Net income allocated to common unitholders - Diluted $ 203 $ 361
Common Units    
NET INCOME PER COMMON UNIT (NOTE 3):    
Basic weighted average common units outstanding (units) 701 698
Diluted weighted average common units outstanding (units) 701 698
Basic net income per common unit (usd per unit) $ 0.29 $ 0.52
Diluted net income per common unit (usd per unit) $ 0.29 $ 0.52
Product sales revenues    
REVENUES    
Total revenues $ 11,546 $ 11,943
Services revenues    
REVENUES    
Total revenues $ 449 $ 398