11. Inventories (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Inventories Abstract
Crude oil	$ 2,062	$ 3,905
Oil products	1,624	2,274
Intermediate products	372	586
Natural gas and Liquefied Natural Gas (LNG)	68	173
Biofuels	20	28
Fertilizers	28	28
Total products	4,174	6,994
Materials, supplies and others	865	1,195
Total	$ 5,039	$ 8,189

A classification of current inventory representing the amount of unrefined, unprocessed oil. [Refer: Inventories]

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A classification of current inventory representing the amount of a naturally occurring hydrocarbon gas mixture. [Refer: Inventories]

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A classification of current inventory representing the amount of products derived from crude oil and natural gas. [Refer: Current crude oil; Current natural gas]

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A classification of current inventory representing the amount of current raw materials and current production supplies. [Refer: Current production supplies; Current raw materials]

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The amount of assets: (a) held for sale in the ordinary course of business; (b) in the process of production for such sale; or (c) in the form of materials or supplies to be consumed in the production process or in the rendering of services. Inventories encompass goods purchased and held for resale including, for example, merchandise purchased by a retailer and held for resale, or land and other property held for resale. Inventories also encompass finished goods produced, or work in progress being produced, by the entity and include materials and supplies awaiting use in the production process. [Refer: Current finished goods; Current merchandise; Current work in progress; Land]

+ References

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A classification of current inventory representing the amount of supplies to be used for the production process. [Refer: Inventories]

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A classification of current inventory representing the amount of biofuels.

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No definition available.

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- Definition

Fertilizers.

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No definition available.

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- Definition

Intermediate products

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