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Revenue Recognition - Disaggregation of revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Disaggregation of revenue |  |  |  |
Revenue from customers | $ 3,731 | $ 3,831 | $ 7,166 | $ 7,556
United States |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 2,609 | 2,846 | 5,060 | 5,573
Middle East |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 1,052 | 960 | 2,057 | 1,945
Latin America |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 257 | 235 | 439 | 461
Other International |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 18 | 17 | 37 | 38
Eliminations |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | (205) | (227) | (427) | (461)
Eliminations | United States |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Eliminations | Middle East |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Eliminations | Latin America |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Eliminations | Other International |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Oil and Gas Segment |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 2,718 | 2,531 | 5,069 | 4,985
Oil and Gas Segment | Oil |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 2,484 | 2,232 | 4,582 | 4,422
Oil and Gas Segment | NGL |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 152 | 175 | 295 | 315
Oil and Gas Segment | Gas |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 89 | 118 | 219 | 239
Oil and Gas Segment | Other |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | (7) | 6 | (27) | 9
Oil and Gas Segment | United States |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 1,538 | 1,491 | 2,847 | 2,882
Oil and Gas Segment | United States | Oil |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 1,447 | 1,334 | 2,652 | 2,581
Oil and Gas Segment | United States | NGL |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 84 | 111 | 162 | 200
Oil and Gas Segment | United States | Gas |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 8 | 42 | 55 | 94
Oil and Gas Segment | United States | Other |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | (1) | 4 | (22) | 7
Oil and Gas Segment | Middle East |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 963 | 856 | 1,866 | 1,745
Oil and Gas Segment | Middle East | Oil |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 825 | 718 | 1,583 | 1,491
Oil and Gas Segment | Middle East | NGL |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 68 | 64 | 133 | 115
Oil and Gas Segment | Middle East | Gas |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 76 | 73 | 155 | 138
Oil and Gas Segment | Middle East | Other |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | (6) | 1 | (5) | 1
Oil and Gas Segment | Latin America |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 217 | 184 | 356 | 358
Oil and Gas Segment | Latin America | Oil |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 212 | 180 | 347 | 350
Oil and Gas Segment | Latin America | NGL |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Oil and Gas Segment | Latin America | Gas |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 5 | 3 | 9 | 7
Oil and Gas Segment | Latin America | Other |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 1 | 0 | 1
Oil and Gas Segment | Other International |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Oil and Gas Segment | Other International | Oil |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Oil and Gas Segment | Other International | NGL |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Oil and Gas Segment | Other International | Gas |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Oil and Gas Segment | Other International | Other |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Oil and Gas Segment | Eliminations |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Oil and Gas Segment | Eliminations | Oil |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Oil and Gas Segment | Eliminations | NGL |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Oil and Gas Segment | Eliminations | Gas |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Oil and Gas Segment | Eliminations | Other |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Chemical Segment |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 993 | 1,170 | 2,048 | 2,323
Chemical Segment | United States |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 935 | 1,102 | 1,928 | 2,182
Chemical Segment | Middle East |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Chemical Segment | Latin America |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 40 | 51 | 83 | 103
Chemical Segment | Other International |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 18 | 17 | 37 | 38
Chemical Segment | Eliminations |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Midstream Segment |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 225 | 357 | 476 | 709
Midstream Segment | Gas Processing |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 193 | 235 | 400 | 468
Midstream Segment | Pipelines |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers |  | 101 |  | 195
Midstream Segment | Power and Other |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 32 | 21 | 76 | 46
Midstream Segment | United States |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 136 | 253 | 285 | 509
Midstream Segment | United States | Gas Processing |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 104 | 131 | 209 | 268
Midstream Segment | United States | Pipelines |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers |  | 101 |  | 195
Midstream Segment | United States | Power and Other |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 32 | 21 | 76 | 46
Midstream Segment | Middle East |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 89 | 104 | 191 | 200
Midstream Segment | Middle East | Gas Processing |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 89 | 104 | 191 | 200
Midstream Segment | Middle East | Pipelines |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers |  | 0 |  | 0
Midstream Segment | Middle East | Power and Other |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Midstream Segment | Latin America |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Midstream Segment | Latin America | Gas Processing |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Midstream Segment | Latin America | Pipelines |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers |  | 0 |  | 0
Midstream Segment | Latin America | Power and Other |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Midstream Segment | Other International |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Midstream Segment | Other International | Gas Processing |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Midstream Segment | Other International | Pipelines |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers |  | 0 |  | 0
Midstream Segment | Other International | Power and Other |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Midstream Segment | Eliminations |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Midstream Segment | Eliminations | Gas Processing |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | 0 | 0 | 0 | 0
Midstream Segment | Eliminations | Pipelines |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers |  | 0 |  | 0
Midstream Segment | Eliminations | Power and Other |  |  |  |
Disaggregation of revenue |  |  |  |
Revenue from customers | $ 0 | $ 0 | $ 0 | $ 0

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