Revenues - Revenues from Contracts with Customers by Product Type and Geographic Areas (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | $ 1,484 | $ 2,168 | $ 3,051 | $ 3,929 |
United States | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 1,440 | 2,089 | 2,943 | 3,803 |
United States | Eagle Ford | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 626 | 656 | 1,250 | 1,194 |
United States | Bakken | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 511 | 887 | 1,014 | 1,671 |
United States | Oklahoma | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 124 | 302 | 277 | 516 |
United States | Permian | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 166 | 136 | 369 | 251 |
United States | Other U.S. | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 13 | 108 | 33 | 171 |
United States | Crude oil and condensate | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 1,195 | 1,573 | 2,380 | 2,914 |
United States | Crude oil and condensate | Eagle Ford | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 524 | 544 | 1,019 | 1,003 |
United States | Crude oil and condensate | Bakken | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 456 | 749 | 887 | 1,401 |
United States | Crude oil and condensate | Oklahoma | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 63 | 138 | 141 | 237 |
United States | Crude oil and condensate | Permian | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 141 | 100 | 311 | 188 |
United States | Crude oil and condensate | Other U.S. | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 11 | 42 | 22 | 85 |
United States | Natural gas liquids | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 156 | 239 | 325 | 455 |
United States | Natural gas liquids | Eagle Ford | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 64 | 55 | 135 | 99 |
United States | Natural gas liquids | Bakken | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 41 | 92 | 78 | 181 |
United States | Natural gas liquids | Oklahoma | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 33 | 69 | 72 | 128 |
United States | Natural gas liquids | Permian | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 18 | 15 | 40 | 30 |
United States | Natural gas liquids | Other U.S. | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 0 | 8 | 0 | 17 |
United States | Natural gas | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 86 | 228 | 225 | 379 |
United States | Natural gas | Eagle Ford | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 37 | 56 | 93 | 89 |
United States | Natural gas | Bakken | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 14 | 46 | 49 | 89 |
United States | Natural gas | Oklahoma | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 28 | 95 | 64 | 151 |
United States | Natural gas | Permian | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 7 | 21 | 18 | 33 |
United States | Natural gas | Other U.S. | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 0 | 10 | 1 | 17 |
United States | Other | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 3 | 49 | 13 | 55 |
United States | Other | Eagle Ford | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 1 | 1 | 3 | 3 |
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 | 2 | 48 | 10 | 52 |
International | International, Equatorial Guinea (E.G.) | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 44 | 79 | 108 | 126 |
International | Crude oil and condensate | International, Equatorial Guinea (E.G.) | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 39 | 71 | 96 | 111 |
International | Natural gas liquids | International, Equatorial Guinea (E.G.) | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 0 | 0 | 1 | 1 |
International | Natural gas | International, Equatorial Guinea (E.G.) | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | 4 | 7 | 9 | 12 |
International | Other | International, Equatorial Guinea (E.G.) | | | | |
Disaggregation of Revenue [Line Items] | | | | |
Revenues from contracts with customers | $ 1 | $ 1 | $ 2 | $ 2 |