Other Income, Net (Tables)

12 Months Ended

Dec. 31, 2020

Other Income and Expenses [Abstract]

Schedule of Other Income [Table Text Block]

The amounts included in Other income, net for the years ended December 31 were as follows (in millions):

	2018		2019		2020
Gains / (Losses) on derivatives	$	(165)	$	(190)	$	341
Currency revaluation gains / (losses)	12		70		(437)
Interest and investment income	198		318		119
Other (a)	35		16		—
Total other income, net	$	80	$	214	$	23

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(a)Includes interest income primarily on notes receivable from affiliated companies of $10 million, $5 million, and $13 million for the years ended December 31, 2018, 2019, and 2020, respectively.