OTHER INCOME, NET

Other income consists of various line items that are combined on the income statement due to their respective materiality compared with other individual income and expense items.

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



	2015			2014			2013
Gains/(Losses) on derivatives	$	110		$	208		$	(148	)
Currency revaluation gains/(losses)	(161		)	(236		)	82
Interest and investment income (a)	69			53			50
Insurance fee income	88			74			61
Other	178			166			213
Total other income, net	$	284		$	265		$	258

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(a)	Includes interest income primarily on notes receivable from affiliated companies of $3 million, $5 million, $11 million for December 31, 2015, 2014, and 2013 respectively.