Note 18 - Other Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2017

Other Postretirement Benefits [Line Items]

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

The measurement date used to determine the pension obligation for all funded and unfunded U.S. and Non-U.S. defined benefit plans is December 31.

	Year Ended December 31, 2017						Year Ended December 31, 2016
(in millions)	U.S.			Non-U.S.			U.S.			Non-U.S.
Change in Benefit Obligation
Projected benefit obligation at beginning of period	$	3,908		$	816		$	4,099		$	800
Service cost		12			3			12			3
Interest cost		115			12			113			14
Benefit payments		(352	)		(48	)		(395	)		(48	)
Actuarial loss		170			37			76			61
Special termination benefits		13			—			3			—
Currency adjustments		—			65			—			(14	)
Projected benefit obligation at end of period	$	3,866		$	885		$	3,908		$	816
Change in Plan Assets
Fair value of plan assets at beginning of period	$	3,653		$	693		$	3,793		$	728
Gain on plan assets		503			27			255			19
Employer contributions		—			5			—			4
Benefit payments		(352	)		(48	)		(395	)		(48	)
Currency adjustments		—			45			—			(10	)
Fair value of plan assets at end of period	$	3,804		$	722		$	3,653		$	693
Under Funded Status at end of period	$	(62	)	$	(163	)	$	(255	)	$	(123	)
Accumulated benefit obligation at end of period	$	3,864		$	874		$	3,907		$	806

Schedule of Amounts from Other Post-retirement Plan Recognized in Balance Sheet [Table Text Block]

	As of December 31,
	2017			2016
Other current liabilities	$	(5	)	$	(5	)
Pension and other postretirement liabilities		(69	)		(69	)
	$	(74	)	$	(74	)

Schedule of Amounts Recognized in Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	As of December 31,
	2017			2016
Net actuarial gain	$	(2	)	$	(5	)

Schedule of Other Post-retirement Plan Recognized in Other Comprehensive (Income) Loss [Table Text Block]

	Year Ended December 31,
	2017		2016
Newly established loss	$	1	$	1
Amortization of:
Net actuarial gain		2		2
Total loss recognized in Other comprehensive (loss) income	$	3	$	3

Schedule of Other Post-retirement Plan, Net Benefit Costs [Table Text Block]

	Year Ended December 31,
	2017			2016			2015
Components of net postretirement benefit cost:
Service cost	$	—		$	—		$	—
Interest cost		2			2			3
Amortization of:
Actuarial gain		(2	)		(2	)		—
Other postretirement benefit cost from continuing    operations	$	—		$	—		$	3

Schedule of Assumptions Used to Calculate Other Post-retirement Plan, Net Benefit Obligation [Table Text Block]

	Year Ended December 31,
	2017			2016
Discount rate		3.20	%		3.44	%
Salary increase rate		2.35	%		2.35	%

Schedule of Assumptions Used to Calculate Other Post-retirement Plan Net Benefit Costs [Table Text Block]

	Year Ended December 31,
	2017			2016			2015
Effective rate for interest cost		2.87	%		2.85	%		3.49	%
Salary increase rate		2.35	%		1.80	%		2.60	%

Other Post-retirement Benefits, Schedule of Health Care Cost Trend Rates [Table Text Block]

	2017			2016
Healthcare cost trend		5.40	%		5.68	%
Rate to which the cost trend rate is assumed to decline    (the ultimate trend rate)		4.38	%		4.38	%
Year that the rate reaches the ultimate trend rate		2022			2022

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block]

	1% increase		1% decrease
Effect on total service and interest cost	$	—	$	—
Effect on postretirement benefit obligation		5		(4	)

Schedule of Expected Other Post-retirement Benefit Payments [Table Text Block]

2018	$	5
2019		5
2020		4
2021		4
2022		4
2023-2027		19

Other Postretirement Benefit Plan [Member]

Other Postretirement Benefits [Line Items]

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

	Year Ended December 31,
	2017			2016
Net benefit obligation at beginning of period	$	74		$	78
Interest cost		2			2
Plan participants’ contributions		3			5
Actuarial loss		1			1
Benefit payments		(8	)		(10	)
Currency adjustments		2			(2	)
Net benefit obligation at end of period	$	74		$	74
Underfunded status at end of period	$	(74	)	$	(74	)