Other Income/(Loss) (Notes)

6 Months Ended

Jun. 30, 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 June 30 were as follows (in millions):

	Second Quarter					First Half
	2018		2019			2018		2019
Net periodic pension and other postretirement employee benefits (OPEB) income/(cost), excluding service cost	$	429	$	111		$	906	$	383
Investment-related interest income	167		207			313		410
Interest income/(expense) on income taxes	32		(1		)	33		(21		)
Realized and unrealized gains/(losses) on cash equivalents, marketable securities, and other investments	217		(187		)	212		(120		)
Gains/(Losses) on changes in investments in affiliates	—		(1		)	58		2
Gains/(Losses) on extinguishment of debt	—		(53		)	—		(53		)
Royalty income	129		108			272		192
Other	30		88			73		107
Total	$	1,004	$	272		$	1,867	$	900