FINANCIAL INSTRUMENTS - Income Statement (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Derivative Instruments, Gain (Loss)
Net sales	$ 3,416	$ 2,534	$ 11,183	$ 6,239
Cost of sales	2,766	2,017	8,953	5,101
Selling, general and administrative expenses	343	204	1,084	601
Other comprehensive income (loss)	(73)	57	(95)	(3)
Gain (loss) on cash flow hedging relationships:
Gain (loss) recognized in other comprehensive income		1		(1)
Foreign currency
Gain (loss) on cash flow hedging relationships:
Gain (loss) recognized in other comprehensive income	(2)		(5)
Foreign currency \| Cash Flow Hedging \| Gain (loss) reclassified from AOCI to income
Derivative Instruments, Gain (Loss)
Net sales	0	0	0	0
Cost of sales	(1)	0	(2)	0
Selling, general and administrative expenses	$ 0	$ 0	$ 0	$ (1)

Gain (Loss) on Cash Flow Hedging Relationships

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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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