Derivatives and Fair Value of Financial Instruments - Fair Value of Derivatives (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Commodities
Fair value of each type of derivative and its location in the Consolidated Balance Sheets
Margin account	$ 28	$ 15
Commodities \| Other current assets
Fair value of each type of derivative and its location in the Consolidated Balance Sheets
Asset Derivatives	6	28
Derivative assets and liabilities, net basis	29	24
Commodities \| Other current liabilities
Fair value of each type of derivative and its location in the Consolidated Balance Sheets
Liability Derivatives	5	19
Foreign currencies \| Other current assets
Fair value of each type of derivative and its location in the Consolidated Balance Sheets
Asset Derivatives	5
Foreign currencies \| Other current liabilities
Fair value of each type of derivative and its location in the Consolidated Balance Sheets
Liability Derivatives	5	9
Interest rate swaps
Fair value of each type of derivative and its location in the Consolidated Balance Sheets
Credit risk associated with derivative contracts	$ 5
Interest rate swaps \| Other current assets
Fair value of each type of derivative and its location in the Consolidated Balance Sheets
Asset Derivatives		$ 1

Maximum amount of loss due to credit risk that, based on the gross fair value of the financial instrument, the entity would incur if parties to the financial instruments that make up the concentration failed completely to perform according to the terms of the contracts and the collateral or other security, if any, for the amount due proved to be of no value to the entity.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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The amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer.

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