Other Income, Net (Tables)

12 Months Ended

Dec. 31, 2019

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):

	2017		2018			2019
Gains / (Losses) on derivatives	$	11	$	(165	)	$	(190	)
Currency revaluation gains / (losses)	44		12			70
Interest and investment income (a)	112		198			318
Other	83		35			16
Total other income, net	$	250	$	80		$	214

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(a)

Includes interest income primarily on notes receivable from affiliated companies of $9 million, $10 million, and $5 million for December 31, 2017, 2018, and 2019, respectively.