v3.26.3
Reportable Segments (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Segment Reporting [Line Items]          
Revenues $ 4,531 $ 4,146 $ 13,836 $ 12,429  
Costs of Sales (1,566) (1,395) (4,720) (4,082)  
Taxes, other than income taxes (121) (111) (355) (334)  
Earnings (loss) from equity investments 231 221 710 647  
Net income 790 654 2,685 2,139  
Depreciation, depletion, and amortization 628 609 1,881 1,835  
General and administrative and corporate charges (192) (184) (557) (564)  
Interest, net (430) (456) (1,285) (1,359)  
Income Tax Expense (190) (185) (749) (548)  
Capital Expenditures 1,045 793 2,831 2,206  
Investments 7,836   7,836   $ 7,532
Other intangibles, net 1,822   1,822   1,730
Assets 75,397   75,397   72,748
Non-cash risk management activities     (25) (14)  
Operating Segments          
Segment Reporting [Line Items]          
Net income 2,230 2,088 7,157 6,445  
Corporate          
Segment Reporting [Line Items]          
Depreciation, depletion, and amortization 8 6 21 19  
Capital Expenditures 17 10 50 44  
Investments 2   2   0
Other intangibles, net 0   0   0
Assets 1,441   1,441   633
Intersegment Eliminations          
Segment Reporting [Line Items]          
Revenues (9) (7) (26) (21)  
Natural Gas Pipelines          
Segment Reporting [Line Items]          
Revenues 2,894 2,672 8,849 7,953  
Natural Gas Pipelines | Operating Segments          
Segment Reporting [Line Items]          
Revenues 2,899 2,676 8,866 7,966  
Costs of Sales (1,163) (1,089) (3,500) (3,124)  
Labor (88) (84) (262) (248)  
Fuel and power (27) (23) (78) (62)  
Field - non-labor(a) (252) (237) (709) (659)  
Taxes, other than income taxes (78) (70) (235) (215)  
Earnings (loss) from equity investments 201 212 619 593  
Other segment items(b) 9 6 31 29  
Net income 1,501 1,391 4,732 4,280  
Depreciation, depletion, and amortization 314 294 916 875  
Capital Expenditures 812 572 2,219 1,474  
Investments 7,196   7,196   6,962
Other intangibles, net 1,075   1,075   900
Assets 54,672   54,672   52,546
Non-cash risk management activities 10 (12) (5) (3)  
Natural Gas Pipelines | Intersegment Eliminations          
Segment Reporting [Line Items]          
Revenues (5) (4) (17) (13)  
Products Pipelines          
Segment Reporting [Line Items]          
Revenues 772 677 2,361 2,031  
Products Pipelines | Operating Segments          
Segment Reporting [Line Items]          
Revenues 772 677 2,361 2,031  
Costs of Sales (364) (281) (1,109) (866)  
Labor (33) (34) (101) (99)  
Fuel and power (23) (25) (64) (68)  
Field - non-labor(a) (190) (52) (279) (160)  
Taxes, other than income taxes (10) (10) (30) (33)  
Earnings (loss) from equity investments 19 13 55 44  
Other segment items(b) 1 0 2 1  
Net income 172 288 835 850  
Depreciation, depletion, and amortization 88 81 257 274  
Capital Expenditures 34 53 110 192  
Investments 389   389   381
Other intangibles, net 355   355   403
Assets 7,969   7,969   8,044
Non-cash risk management activities (3) 0 (4) (1)  
Non-cash legal, environmental, and other expense accruals 138   138    
Products Pipelines | Intersegment Eliminations          
Segment Reporting [Line Items]          
Revenues 0 0 0 0  
Terminals          
Segment Reporting [Line Items]          
Revenues 560 516 1,678 1,563  
Terminals | Operating Segments          
Segment Reporting [Line Items]          
Revenues 562 518 1,685 1,569  
Costs of Sales (19) (9) (55) (38)  
Labor (73) (70) (213) (209)  
Fuel and power (5) (4) (15) (15)  
Field - non-labor(a) (136) (135) (414) (411)  
Taxes, other than income taxes (19) (16) (46) (43)  
Earnings (loss) from equity investments 4 (10) 11 (6)  
Other segment items(b) 71 0 71 2  
Net income 385 274 1,024 849  
Depreciation, depletion, and amortization 128 130 389 388  
Capital Expenditures 107 79 246 232  
Investments 180   180   122
Other intangibles, net 11   11   13
Assets 7,827   7,827   7,917
Terminals | Intersegment Eliminations          
Segment Reporting [Line Items]          
Revenues (2) (2) (7) (6)  
CO2          
Segment Reporting [Line Items]          
Revenues 305 281 948 882  
CO2 | Operating Segments          
Segment Reporting [Line Items]          
Revenues 307 282 950 884  
Costs of Sales (26) (22) (78) (70)  
Labor (14) (13) (41) (39)  
Fuel and power (37) (42) (95) (108)  
Field - non-labor(a) (65) (64) (186) (181)  
Taxes, other than income taxes (13) (12) (39) (37)  
Earnings (loss) from equity investments 6 6 24 16  
Other segment items(b) 14 0 31 1  
Net income 172 135 566 466  
Depreciation, depletion, and amortization 90 98 298 279  
Capital Expenditures 75 79 206 264  
Investments 69   69   67
Other intangibles, net 381   381   414
Assets 3,488   3,488   $ 3,608
Non-cash risk management activities (12) (1) (14) 3  
CO2 | Intersegment Eliminations          
Segment Reporting [Line Items]          
Revenues $ (2) $ (1) $ (2) $ (2)