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v3.21.2

Segments - Schedule of Industry Segments and Eliminations (Details) shares in Millions, $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Mar. 31, 2021 USD ($) shares | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) segment shares | Jun. 30, 2020 USD ($)
Segment Information |  |  |  |  |
Number of operating segments | segment |  |  |  | 3 |
Net sales |  | $ 5,958 | $ 2,928 | $ 11,251 | $ 9,541
Income (loss) from continuing operations before income taxes |  | 143 | (8,184) | 458 | (10,222)
Income tax benefit (expense) |  | (43) | 1,468 | (59) | 1,493
Income (loss) from continuing operations |  | 100 | (6,716) | 399 | (8,729)
Gain (loss) on derivative instrument |  | (223) | (76) | 176 | (661)
Anadarko acquisition-related costs |  | 52 | 149 | 93 | 297
Disposed of by Sale, Not Discontinued Operations | WES Midstream segment |  |  |  |  |
Segment Information |  |  |  |  |
Gain on sale | $ 102 |  |  |  |
Number of limited partner units sold (in units) | shares | 11.5 |  |  |  |
Operating Segments | Oil and gas |  |  |  |  |
Segment Information |  |  |  |  |
Net sales |  | 4,505 | 2,040 | 8,169 | 7,100
Income (loss) from continuing operations before income taxes |  | 631 | (7,734) | 569 | (7,498)
Income tax benefit (expense) |  | 0 | 0 | 0 | 0
Income (loss) from continuing operations |  | 631 | (7,734) | 569 | (7,498)
Impairment charge |  | 21 | 6,400 | 156 | 7,000
Gain (loss) on derivative instrument |  | (140) |  | (180) | 923
Operating Segments | Chemical |  |  |  |  |
Segment Information |  |  |  |  |
Net sales |  | 1,187 | 846 | 2,275 | 1,808
Income (loss) from continuing operations before income taxes |  | 312 | 108 | 563 | 294
Income tax benefit (expense) |  | 0 | 0 | 0 | 0
Income (loss) from continuing operations |  | 312 | 108 | 563 | 294
Operating Segments | Midstream and marketing |  |  |  |  |
Segment Information |  |  |  |  |
Net sales |  | 497 | 204 | 1,304 | 994
Income (loss) from continuing operations before income taxes |  | (30) | (7) | 252 | (1,294)
Income tax benefit (expense) |  | 0 | 0 | 0 | 0
Income (loss) from continuing operations |  | (30) | (7) | 252 | (1,294)
Gain (loss) on derivative instrument |  | (180) |  | (165) | 305
Goodwill impairment |  |  |  |  | 1,400
Operating Segments | Midstream and marketing | Disposed of by Sale, Not Discontinued Operations | WES Midstream segment |  |  |  |  |
Segment Information |  |  |  |  |
Gain on sale |  | 22 |  | $ 124 |
Number of limited partner units sold (in units) | shares |  |  |  | 11.5 |
Corporate and Eliminations |  |  |  |  |
Segment Information |  |  |  |  |
Net sales |  | (231) | (162) | $ (497) | (361)
Income (loss) from continuing operations before income taxes |  | (770) | (551) | (926) | (1,724)
Income tax benefit (expense) |  | (43) | 1,468 | (59) | 1,493
Income (loss) from continuing operations |  | (813) | 917 | (985) | (231)
Gain (loss) on derivative instrument |  |  | 114 |  | 114
Mark to market gain (loss) on interest rate swaps |  | (223) |  | 176 | (665)
Anadarko acquisition-related costs |  | $ 52 | 149 | $ 93 | 297
Gain (loss) related to warrants |  |  | $ (79) |  | $ 5

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=123586518&loc=d3e1043-128460 + Details
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