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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES    
Net income $ 824 $ 476
Reconciliation of net income to net cash provided by operating activities:    
Depreciation and amortization 515 473
Gains on asset sales and asset impairments, net (150) (46)
Deferred income tax expense 15 20
Gains on sales of linefill (2) (30)
Loss on foreign currency revaluation 1 10
Settlement of terminated interest rate hedging instruments (Note 7) 80  
Change in fair value of Preferred Distribution Rate Reset Option (Note 7) (58) 147
Equity earnings in unconsolidated entities (178) (201)
Distributions on earnings from unconsolidated entities 219 224
Other 36 27
Changes in assets and liabilities, net of acquisitions 329 32
Net cash provided by operating activities 1,631 1,132
CASH FLOWS FROM INVESTING ACTIVITIES    
Investments in unconsolidated entities (19) (4)
Additions to property, equipment and other (267) (190)
Cash paid for purchases of linefill (14) (60)
Proceeds from sales of assets 284 57
Cash received from sales of linefill 9 61
Other investing activities 1 13
Net cash used in investing activities (6) (123)
CASH FLOWS FROM FINANCING ACTIVITIES    
Net borrowings under commercial paper program (Note 5)   115
Repayments of senior notes (Note 5) (400) (750)
Repurchase of common units   (74)
Distributions paid to noncontrolling interests (Note 6) (151) (121)
Other financing activities (61) 13
Net cash used in financing activities (1,101) (1,196)
Effect of translation adjustment 8 1
Net increase/(decrease) in cash and cash equivalents and restricted cash 532 (186)
Cash and cash equivalents and restricted cash, beginning of period 401 453
Cash and cash equivalents and restricted cash, end of period 933 267
Cash paid for:    
Interest, net of amounts capitalized 188 201
Income taxes, net of amounts refunded 8 39
Series A Preferred Units    
CASH FLOWS FROM FINANCING ACTIVITIES    
Distributions paid to unitholders (Note 6) (79) (74)
Series B Preferred Units    
CASH FLOWS FROM FINANCING ACTIVITIES    
Distributions paid to unitholders (Note 6) (36) (25)
Common Units    
CASH FLOWS FROM FINANCING ACTIVITIES    
Distributions paid to unitholders (Note 6) $ (374) $ (280)