v3.26.1
SEGMENTS - Schedule of Operating Segments Financial Information (Details)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
segment
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Segment Reporting [Line Items]          
Number of reportable segments | segment     4    
Total revenues $ 12,049 $ 7,887 $ 21,667 $ 15,930  
Cost of sales and fuel (exclusive of depreciation and operating costs) (9,242) (5,360) (16,295) (11,015)  
Operating costs (823) (706) (1,569) (1,458)  
Segment adjusted EBITDA 2,129 1,958 4,133 3,767  
Depreciation and amortization (387) (368) (765) (748)  
Equity in net earnings from investments 103 81 192 189  
Impairment of equity investments (Note H) 0 0 (60) 0  
Investments in unconsolidated affiliates 3,139 2,446 3,139 2,446 $ 2,889
Capital expenditures 613 749 1,477 1,378  
Natural Gas Gathering and Processing | Natural Gas Gathering and Processing Intersegment          
Segment Reporting [Line Items]          
Total revenues 1,500 600 2,500 1,300  
Natural Gas Liquids | Natural Gas Gathering and Processing Intersegment          
Segment Reporting [Line Items]          
Total revenues 400 400 700 1,000  
Liquids commodity sales          
Segment Reporting [Line Items]          
Total revenues 10,376 6,032 17,675 11,949  
Residue natural gas sales          
Segment Reporting [Line Items]          
Total revenues 438 694 1,584 1,689  
Exchange services and natural gas gathering and processing revenue          
Segment Reporting [Line Items]          
Total revenues 376 383 719 750  
Transportation and storage revenue          
Segment Reporting [Line Items]          
Total revenues 816 741 1,604 1,470  
Other revenue          
Segment Reporting [Line Items]          
Total revenues 43 37 85 72  
Operating Segments          
Segment Reporting [Line Items]          
Total revenues 14,054 9,032 25,039 18,429  
Cost of sales and fuel (exclusive of depreciation and operating costs) (11,249) (6,506) (19,672) (13,515)  
Operating costs (815) (712) (1,556) (1,455)  
Adjusted EBITDA from unconsolidated affiliates 134 112 264 251  
Noncash compensation expense and other 5 32 58 57  
Segment adjusted EBITDA 2,129 1,958 4,133 3,767  
Depreciation and amortization (382) (365) (758) (743)  
Equity in net earnings from investments 103 81 192 189  
Impairment of equity investments (Note H)     (60)    
Investments in unconsolidated affiliates 3,130 2,443 3,130 2,443  
Capital expenditures 593 712 1,446 1,327  
Operating Segments | Natural Gas Gathering and Processing          
Segment Reporting [Line Items]          
Total revenues 1,878 1,848 3,875 4,045  
Cost of sales and fuel (exclusive of depreciation and operating costs) (1,079) (1,082) (2,372) (2,538)  
Operating costs (260) (236) (505) (493)  
Adjusted EBITDA from unconsolidated affiliates 1 1 2 3  
Noncash compensation expense and other 6 9 13 14  
Segment adjusted EBITDA 546 540 1,013 1,031  
Depreciation and amortization (126) (122) (261) (248)  
Equity in net earnings from investments 1 0 1 2  
Impairment of equity investments (Note H)     0    
Investments in unconsolidated affiliates 41 39 41 39  
Capital expenditures 185 341 502 582  
Operating Segments | Natural Gas Liquids          
Segment Reporting [Line Items]          
Total revenues 4,593 3,871 8,239 8,139  
Cost of sales and fuel (exclusive of depreciation and operating costs) (3,746) (3,030) (6,514) (6,487)  
Operating costs (223) (203) (431) (413)  
Adjusted EBITDA from unconsolidated affiliates 26 22 53 50  
Noncash compensation expense and other 9 13 18 19  
Segment adjusted EBITDA 659 673 1,365 1,308  
Depreciation and amortization (116) (112) (223) (225)  
Equity in net earnings from investments 23 18 47 45  
Impairment of equity investments (Note H)     0    
Investments in unconsolidated affiliates 802 550 802 550  
Capital expenditures 202 135 512 306  
Operating Segments | Natural Gas Pipelines          
Segment Reporting [Line Items]          
Total revenues 449 405 1,075 869  
Cost of sales and fuel (exclusive of depreciation and operating costs) (156) (219) (466) (480)  
Operating costs (64) (56) (124) (108)  
Adjusted EBITDA from unconsolidated affiliates 72 55 150 116  
Noncash compensation expense and other (4) 3 1 3  
Segment adjusted EBITDA 297 188 636 400  
Depreciation and amortization (28) (25) (53) (48)  
Equity in net earnings from investments 53 38 111 77  
Impairment of equity investments (Note H)     0    
Investments in unconsolidated affiliates 1,113 843 1,113 843  
Capital expenditures 15 52 61 114  
Operating Segments | Refined Products and Crude          
Segment Reporting [Line Items]          
Total revenues 7,134 2,908 11,850 5,376  
Cost of sales and fuel (exclusive of depreciation and operating costs) (6,268) (2,175) (10,320) (4,010)  
Operating costs (268) (217) (496) (441)  
Adjusted EBITDA from unconsolidated affiliates 35 34 59 82  
Noncash compensation expense and other (6) 7 26 21  
Segment adjusted EBITDA 627 557 1,119 1,028  
Depreciation and amortization (112) (106) (221) (222)  
Equity in net earnings from investments 26 25 33 65  
Impairment of equity investments (Note H)     (60)    
Investments in unconsolidated affiliates 1,174 1,011 1,174 1,011  
Capital expenditures 191 184 371 325  
Operating Segments | Liquids commodity sales          
Segment Reporting [Line Items]          
Total revenues 12,351 7,156 20,986 14,396  
Operating Segments | Liquids commodity sales | Natural Gas Gathering and Processing          
Segment Reporting [Line Items]          
Total revenues 1,433 1,100 2,459 2,327  
Operating Segments | Liquids commodity sales | Natural Gas Liquids          
Segment Reporting [Line Items]          
Total revenues 4,433 3,740 7,914 7,852  
Operating Segments | Liquids commodity sales | Natural Gas Pipelines          
Segment Reporting [Line Items]          
Total revenues 0 0 0 0  
Operating Segments | Liquids commodity sales | Refined Products and Crude          
Segment Reporting [Line Items]          
Total revenues 6,485 2,316 10,613 4,217  
Operating Segments | Residue natural gas sales          
Segment Reporting [Line Items]          
Total revenues 449 705 1,615 1,723  
Operating Segments | Residue natural gas sales | Natural Gas Gathering and Processing          
Segment Reporting [Line Items]          
Total revenues 171 449 882 1,147  
Operating Segments | Residue natural gas sales | Natural Gas Liquids          
Segment Reporting [Line Items]          
Total revenues 0 0 0 0  
Operating Segments | Residue natural gas sales | Natural Gas Pipelines          
Segment Reporting [Line Items]          
Total revenues 278 256 733 576  
Operating Segments | Residue natural gas sales | Refined Products and Crude          
Segment Reporting [Line Items]          
Total revenues 0 0 0 0  
Operating Segments | Exchange services and natural gas gathering and processing revenue          
Segment Reporting [Line Items]          
Total revenues 376 383 719 750  
Operating Segments | Exchange services and natural gas gathering and processing revenue | Natural Gas Gathering and Processing          
Segment Reporting [Line Items]          
Total revenues 269 290 520 554  
Operating Segments | Exchange services and natural gas gathering and processing revenue | Natural Gas Liquids          
Segment Reporting [Line Items]          
Total revenues 107 93 199 196  
Operating Segments | Exchange services and natural gas gathering and processing revenue | Natural Gas Pipelines          
Segment Reporting [Line Items]          
Total revenues 0 0 0 0  
Operating Segments | Exchange services and natural gas gathering and processing revenue | Refined Products and Crude          
Segment Reporting [Line Items]          
Total revenues 0 0 0 0  
Operating Segments | Transportation and storage revenue          
Segment Reporting [Line Items]          
Total revenues 828 746 1,629 1,480  
Operating Segments | Transportation and storage revenue | Natural Gas Gathering and Processing          
Segment Reporting [Line Items]          
Total revenues 0 0 0 0  
Operating Segments | Transportation and storage revenue | Natural Gas Liquids          
Segment Reporting [Line Items]          
Total revenues 50 34 120 85  
Operating Segments | Transportation and storage revenue | Natural Gas Pipelines          
Segment Reporting [Line Items]          
Total revenues 170 149 341 293  
Operating Segments | Transportation and storage revenue | Refined Products and Crude          
Segment Reporting [Line Items]          
Total revenues 608 563 1,168 1,102  
Operating Segments | Other revenue          
Segment Reporting [Line Items]          
Total revenues 50 42 90 80  
Operating Segments | Other revenue | Natural Gas Gathering and Processing          
Segment Reporting [Line Items]          
Total revenues 5 9 14 17  
Operating Segments | Other revenue | Natural Gas Liquids          
Segment Reporting [Line Items]          
Total revenues 3 4 6 6  
Operating Segments | Other revenue | Natural Gas Pipelines          
Segment Reporting [Line Items]          
Total revenues 1 0 1 0  
Operating Segments | Other revenue | Refined Products and Crude          
Segment Reporting [Line Items]          
Total revenues $ 41 $ 29 $ 69 $ 57