v3.26.1
Reportable Segments (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Segment Reporting Information [Line Items]      
Revenues $ 4,828 $ 4,241  
Costs of Sales (1,749) (1,476)  
Taxes, other than income taxes (114) (112)  
Earnings (loss) from equity investments 254 220  
Net income 1,001 743  
Depreciation, depletion, and amortization 633 610  
General and administrative and corporate charges (177) (192)  
Interest, net (430) (451)  
Income Tax Expense (287) (186)  
Capital Expenditures 804 766  
Investments 7,651   $ 7,532
Other intangibles, net 1,686   1,730
Assets 73,072   72,748
Non-cash mark-to-market derivative hedge contract gain (loss) (86) (82)  
Operating Segments      
Segment Reporting Information [Line Items]      
Net income 2,528 2,182  
Corporate      
Segment Reporting Information [Line Items]      
Depreciation, depletion, and amortization 7 5  
Capital Expenditures 23 19  
Investments 0   0
Other intangibles, net 0   0
Assets 694   633
Intersegment Eliminations      
Segment Reporting Information [Line Items]      
Revenues (8) (6)  
Natural Gas Pipelines      
Segment Reporting Information [Line Items]      
Revenues 3,291 2,750  
Natural Gas Pipelines | Operating Segments      
Segment Reporting Information [Line Items]      
Revenues 3,296 2,754  
Costs of Sales (1,431) (1,145)  
Labor (86) (80)  
Fuel and power (26) (19)  
Field - non-labor(a) (199) (191)  
Taxes, other than income taxes (79) (72)  
Earnings (loss) from equity investments 225 196  
Other segment items(b) 11 10  
Net income 1,711 1,453  
Depreciation, depletion, and amortization 297 287  
Capital Expenditures 610 493  
Investments 7,080   6,962
Other intangibles, net 884   900
Assets 52,934   52,546
Non-cash mark-to-market derivative hedge contract gain (loss) (75) (80)  
Natural Gas Pipelines | Intersegment Eliminations      
Segment Reporting Information [Line Items]      
Revenues (5) (4)  
Products Pipelines      
Segment Reporting Information [Line Items]      
Revenues 687 663  
Products Pipelines | Operating Segments      
Segment Reporting Information [Line Items]      
Revenues 687 663  
Costs of Sales (281) (293)  
Labor (34) (32)  
Fuel and power (20) (21)  
Field - non-labor(a) (40) (48)  
Taxes, other than income taxes (10) (12)  
Earnings (loss) from equity investments 18 16  
Other segment items(b) 0 0  
Net income 320 273  
Depreciation, depletion, and amortization 84 96  
Capital Expenditures 38 81  
Investments 381   381
Other intangibles, net 387   403
Assets 8,073   8,044
Non-cash mark-to-market derivative hedge contract gain (loss) (5) (1)  
Products Pipelines | Intersegment Eliminations      
Segment Reporting Information [Line Items]      
Revenues 0 0  
Terminals      
Segment Reporting Information [Line Items]      
Revenues 562 516  
Terminals | Operating Segments      
Segment Reporting Information [Line Items]      
Revenues 565 518  
Costs of Sales (16) (15)  
Labor (69) (70)  
Fuel and power (5) (6)  
Field - non-labor(a) (137) (140)  
Taxes, other than income taxes (12) (13)  
Earnings (loss) from equity investments 3 2  
Other segment items(b) 0 (1)  
Net income 329 275  
Depreciation, depletion, and amortization 131 129  
Capital Expenditures 70 76  
Investments 122   122
Other intangibles, net 12   13
Assets 7,871   7,917
Non-cash mark-to-market derivative hedge contract gain (loss) (1)    
Terminals | Intersegment Eliminations      
Segment Reporting Information [Line Items]      
Revenues (3) (2)  
CO2      
Segment Reporting Information [Line Items]      
Revenues 288 312  
CO2 | Operating Segments      
Segment Reporting Information [Line Items]      
Revenues 288 312  
Costs of Sales (28) (27)  
Labor (13) (12)  
Fuel and power (25) (32)  
Field - non-labor(a) (57) (53)  
Taxes, other than income taxes (11) (13)  
Earnings (loss) from equity investments 8 6  
Other segment items(b) 6 0  
Net income 168 181  
Depreciation, depletion, and amortization 114 93  
Capital Expenditures 63 97  
Investments 68   67
Other intangibles, net 403   414
Assets 3,500   $ 3,608
Non-cash mark-to-market derivative hedge contract gain (loss) (21) (1)  
CO2 | Intersegment Eliminations      
Segment Reporting Information [Line Items]      
Revenues $ 0 $ 0