v3.26.1
SEGMENTS - Schedule of Reconciliations for Segments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Segment Reporting [Line Items]          
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)  
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 Intersegment | Natural Gas Gathering and Processing          
Segment Reporting [Line Items]          
Total revenues 1,500 600 2,500 1,300  
Natural Gas Gathering and Processing Intersegment | Natural Gas Liquids          
Segment Reporting [Line Items]          
Total revenues 400 400 700 1,000  
Refined Products and Crude Oil | Natural Gas Liquids          
Segment Reporting [Line Items]          
Total revenues   100   200  
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)  
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)  
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)  
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 | 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 | 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 | 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 | 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 | 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  
Other and Eliminations          
Segment Reporting [Line Items]          
Total revenues (2,005) (1,145) (3,372) (2,499)  
Cost of sales and fuel (exclusive of depreciation and operating costs) 2,007 1,146 3,377 2,500  
Operating costs (8) 6 (13) (3)  
Depreciation and amortization (5) (3) (7) (5)  
Equity in net earnings from investments 0 0 0 0  
Impairment of equity investments (Note H)     0    
Investments in unconsolidated affiliates 9 3 9 3  
Capital expenditures 20 37 31 51  
Other and Eliminations | Liquids commodity sales          
Segment Reporting [Line Items]          
Total revenues (1,975) (1,124) (3,311) (2,447)  
Other and Eliminations | Residue natural gas sales          
Segment Reporting [Line Items]          
Total revenues (11) (11) (31) (34)  
Other and Eliminations | Exchange services and natural gas gathering and processing revenue          
Segment Reporting [Line Items]          
Total revenues 0 0 0 0  
Other and Eliminations | Transportation and storage revenue          
Segment Reporting [Line Items]          
Total revenues (12) (5) (25) (10)  
Other and Eliminations | Other revenue          
Segment Reporting [Line Items]          
Total revenues $ (7) $ (5) $ (5) $ (8)