Other Income/(Loss) (Notes)

3 Months Ended

Mar. 31, 2019

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
	2018			2019
Net periodic pension and other postretirement employee benefits (OPEB) income/(cost), excluding service cost	$	477		$	272
Investment-related interest income	146			203
Interest income/(expense) on income taxes	1			(20		)
Realized and unrealized gains/(losses) on cash equivalents, marketable securities, and other securities	(5		)	67
Gains/(Losses) on changes in investments in affiliates	58			3
Royalty income	143			84
Other	43			19
Total	$	863		$	628