Asset Impairments and Unusual Items (Tables)

12 Months Ended

Dec. 31, 2016

Unusual or Infrequent Items, or Both [Abstract]

Components of (Income) Expense from Divestitures, Asset Impairments and Unusual Items

The following table summarizes the major components of (income) expense from divestitures, asset impairments and unusual items for the years ended December 31 (in millions):

	2016		2015			2014
(Income) expense from divestitures	$	9	$	(7	)	$	(515	)
Asset impairments		59		89			355
Other		44		—			—
	$	112	$	82		$	(160	)