Other Income, Net (Tables)

3 Months Ended

Mar. 31, 2019

Other Income and Expenses [Abstract]

Schedule of Other Income [Table Text Block]

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

	First Quarter
	2018			2019
Gains / (Losses) on derivatives	$	(87	)	$	(178	)
Currency revaluation gains / (losses)	62			131
Interest and investment income	42			79
Other	20			27
Total other income, net	$	37		$	59