Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2017

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]

Accumulated Other Comprehensive Income (Loss)

The following tables set forth the changes in AOCI by component and the reclassifications out of AOCI for the years ended December 31, 2017 and 2016:

	Foreign Currency Translation Adjustment			Deferred Gain (Loss) on Hedging Activities			Pension and Other Postretirement Benefit Liabilities Adjustment			Unrealized Gain (Loss) on Investments			Accumulated Other Comprehensive Income (Loss)
							(In millions)
Balance at December 31, 2015	$	(1,626	)	$	(15	)	$	(523	)	$	18		$	(2,146	)
Other comprehensive income before reclassifications	(391		)	(104		)	(28		)	(3		)	(526		)
Amounts reclassified from AOCI	(75		)	137			27			6			95
Tax effect	(10		)	(12		)	3			(2		)	(21		)
Net of tax amount	(476		)	21			2			1			(452		)
Balance at December 31, 2016	$	(2,102	)	$	6		$	(521	)	$	19		$	(2,598	)
Other comprehensive income before reclassifications	690			(35		)	243			—			898
Amounts reclassified from AOCI	—			47			55			(1		)	101
Tax effect	59			(1		)	(98		)	2			(38		)
Net of tax amount	749			11			200			1			961
Balance at December 31, 2017	$	(1,353	)	$	17		$	(321	)	$	20		$	(1,637	)

Reclassification Out of Accumulated Other Comprehensive Income [Table Text Block]

	Amounts reclassified from AOCI Year Ended December 31									Affected line item in the consolidated statement of
Details about AOCI components	2017			2016			2015			earnings
	(In millions)
Foreign currency translation adjustment
	$	—		$	(75	)	$	23		Other income/expense
	—			—			—			Tax
	$	—		$	(75	)	$	23		Net of tax
Deferred loss (gain) on hedging activities
	$	45		$	82		$	25		Cost of products sold
	2			18			(29		)	Other income/expense
	(1		)	2			(1		)	Interest expense
	1			35			(41		)	Revenues
	47			137			(46		)	Total before tax
	(18		)	(52		)	17			Tax on reclassifications
	$	29		$	85		$	(29	)	Net of tax
Pension liability adjustment
Amortization of defined benefit pension items:
Prior service losses (credit)	$	(57	)	$	(17	)	$	37
Actuarial losses	112			44			30
	55			27			67			Total before tax
	(29		)	(5		)	(44		)	Tax on reclassifications
	$	26		$	22		$	23		Net of tax
Unrealized loss (gain) on investments
	$	(1	)	$	—		$	—		Other income/expense
	—			6			—			Asset impairment, exit, and restructuring costs
	—			—			—			Tax on reclassifications
	$	(1	)	$	6		$	—		Net of tax