Revenues - Revenues from Contracts with Customers by Product Type and Geographic Areas (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | $ 1,771 | $ 2,008 | $ 4,822 | $ 5,937 |
United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 1,700 | 1,927 | 4,643 | 5,730 |
United States | Eagle Ford | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 717 | 631 | 1,967 | 1,825 |
United States | Bakken | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 647 | 797 | 1,661 | 2,468 |
United States | Oklahoma | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 125 | 272 | 402 | 788 |
United States | Permian | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 196 | 152 | 565 | 403 |
United States | Other U.S. | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 15 | 75 | 48 | 246 |
United States | Crude oil and condensate | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 1,408 | 1,428 | 3,788 | 4,342 |
United States | Crude oil and condensate | Eagle Ford | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 587 | 523 | 1,606 | 1,526 |
United States | Crude oil and condensate | Bakken | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 580 | 648 | 1,467 | 2,049 |
United States | Crude oil and condensate | Oklahoma | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 64 | 104 | 205 | 341 |
United States | Crude oil and condensate | Permian | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 164 | 114 | 475 | 302 |
United States | Crude oil and condensate | Other U.S. | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 13 | 39 | 35 | 124 |
United States | Natural gas liquids | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 177 | 216 | 502 | 671 |
United States | Natural gas liquids | Eagle Ford | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 80 | 49 | 215 | 148 |
United States | Natural gas liquids | Bakken | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 47 | 82 | 125 | 263 |
United States | Natural gas liquids | Oklahoma | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 30 | 63 | 102 | 191 |
United States | Natural gas liquids | Permian | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 20 | 16 | 60 | 46 |
United States | Natural gas liquids | Other U.S. | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 0 | 6 | 0 | 23 |
United States | Natural gas | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 112 | 261 | 337 | 640 |
United States | Natural gas | Eagle Ford | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 48 | 56 | 141 | 145 |
United States | Natural gas | Bakken | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 20 | 67 | 69 | 156 |
United States | Natural gas | Oklahoma | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 31 | 105 | 95 | 256 |
United States | Natural gas | Permian | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 12 | 22 | 30 | 55 |
United States | Natural gas | Other U.S. | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 1 | 11 | 2 | 28 |
United States | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 3 | 22 | 16 | 77 |
United States | Other | Eagle Ford | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 2 | 3 | 5 | 6 |
United States | Other | Bakken | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 0 | 0 | 0 | 0 |
United States | Other | Oklahoma | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 0 | 0 | 0 | 0 |
United States | Other | Permian | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 0 | 0 | 0 | 0 |
United States | Other | Other U.S. | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 1 | 19 | 11 | 71 |
International | International, Equatorial Guinea (E.G.) | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 71 | 81 | 179 | 207 |
International | Crude oil and condensate | International, Equatorial Guinea (E.G.) | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 64 | 75 | 160 | 186 |
International | Natural gas liquids | International, Equatorial Guinea (E.G.) | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 1 | 1 | 2 | 2 |
International | Natural gas | International, Equatorial Guinea (E.G.) | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 5 | 5 | 14 | 17 |
International | Other | International, Equatorial Guinea (E.G.) | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | $ 1 | $ 0 | $ 3 | $ 2 |