XML 28 R14.htm IDEA: XBRL DOCUMENT
v3.20.4

Inventories, Net | 12 Months Ended
--- | ---
Dec. 31, 2020
Inventory Disclosure [Abstract] |
Inventories, Net | 7. Inventories, Net Inventories, net consists of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2020 |  | 2019
​ | ​ | (in millions)
Raw materials | ​ | $ | 183 | ​ | $ | 206
Work in process | ​ |  | 83 | ​ |  | 94
Finished goods | ​ |  | 1,314 | ​ |  | 1,495
​ | ​ | $ | 1,580 | ​ | $ | 1,795
​ Inventories in the table above is presented net of reserves of $73 million and $27 million as of December 31, 2020 and 2019, respectively. During the first quarter of 2020, our Energy segment had inventories, net with a carrying value in excess of net realizable value. As a result, our Energy segment recorded a write-down of its inventories of $58 million, which is included in cost of goods sold in the consolidated statements of operations for the year ended December 31, 2020. The write-down represents the difference between the carrying value of inventories accounted for using the first-in-first-out method and selling prices for refined products subsequent to March 31, 2020.

X
- References No definition available. + Details
Name: | us-gaap_InventoryDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
Name: | us-gaap_InventoryDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration