Other Income/(Loss) (Notes)

3 Months Ended

Mar. 31, 2018

Other Income and Expenses [Abstract]

Other Income and Other Expense Disclosure [Text Block]

OTHER INCOME/(LOSS)

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

	First Quarter
	2017			2018
Net periodic pension and OPEB income/(cost), excluding service cost	$	390		$	477
Investment-related interest income	92			146
Interest income/(expense) on income taxes	1			1
Realized and unrealized gains/(losses) on cash equivalents and marketable securities	51			(5		)
Gains/(Losses) on changes in investments in affiliates	(1		)	58
Royalty income	154			143
Other	47			43
Total	$	734		$	863