Other Income/(Loss) (Notes)

6 Months Ended

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

	Second Quarter					First Half
	2017			2018		2017			2018
Net periodic pension and OPEB income/(cost), excluding service cost	$	389		$	429	$	779		$	906
Investment-related interest income	109			167		201			313
Interest income/(expense) on income taxes	—			32		1			33
Realized and unrealized gains/(losses) on cash equivalents, marketable securities, and other securities	(24		)	217		27			212
Gains/(Losses) on changes in investments in affiliates	(1		)	—		(2		)	58
Royalty income	150			129		304			272
Other	109			30		156			73
Total	$	732		$	1,004	$	1,466		$	1,867