PENSION AND POSTRETIREMENT EMPLOYEE BENEFIT PLANS (Tables)

12 Months Ended

Dec. 31, 2018

Retirement Benefits [Abstract]

Schedule of amounts recognized in accumulated other comprehensive loss

The amounts included in accumulated other comprehensive loss as of December 31, 2018, 2017 and 2016 were as follows:

	Pension Benefit Plans																		U.S. Postretirement Benefit Plan
	U.S. Plan									Non-U.S. Plans
(in millions)	2018			2017			2016			2018			2017			2016			2018			2017			2016
Unrecognized actuarial losses	$	(31	)	$	(18	)	$	(26	)	$	(50	)	$	(56	)	$	(61	)	$	(1	)	$	(4	)	$	(6	)
Unrecognized prior service credits	$	—		$	—		$	—		$	27		$	29		$	26		$	17		$	20		$	23

Components of net periodic benefit cost

The following table provides the components of net periodic (benefit) cost for the Company’s defined benefit pension plans and postretirement benefit plan in 2018, 2017 and 2016:

	Pension Benefit Plans																		U.S. Postretirement Benefit Plan
	U.S. Plan									Non-U.S. Plans
(in millions)	2018			2017			2016			2018			2017			2016			2018			2017			2016
Service cost	$	2		$	2		$	2		$	3		$	3		$	3		$	—		$	—		$	—
Interest cost	7			8			8			5			5			6			1			2			2
Expected return on plan assets	(15		)	(13		)	(13		)	(5		)	(5		)	(7		)	—			—			—
Amortization of net loss	—			—			—			1			2			—			—			—			—
Amortization of prior service credit	—			—			—			(1		)	(1		)	(1		)	(2		)	(3		)	(3		)
Other	—			—			—			—			—			2			—			—			—
Net periodic (benefit) cost	$	(6	)	$	(3	)	$	(3	)	$	3		$	4		$	3		$	(1	)	$	(1	)	$	(1	)

Components of the change in projected benefit obligations, change in plan assets and funded status

The table below presents components of the change in projected benefit obligation, change in plan assets and funded status for 2018 and 2017:

	Pension Benefit Plans												U.S. Postretirement Benefit Plan
	U.S. Plan						Non-U.S. Plans
(in millions)	2018			2017			2018			2017			2018			2017
Change in Projected benefit Obligation
Projected benefit obligation, beginning of year	$	234		$	230		$	254		$	230		$	48		$	52
Service cost	2			2			3			3			—			—
Interest cost	7			8			5			5			1			2
Employee contributions	—			—			—			—			1			1
Settlements	—			—			(2		)	(1		)	—			—
Benefits paid	(16		)	(15		)	(5		)	(4		)	(5		)	(6		)
Actuarial (gains) losses	(13		)	9			(10		)	(9		)	(4		)	(1		)
Currency translation adjustments	—			—			(10		)	30			—			—
Projected benefit obligation, end of year	214			234			235			254			41			48
Change in Plan Assets
Fair value of plan assets, beginning of year	206			181			155			128			—			—
Actual return on plan assets	(11		)	30			(2		)	7			—			—
Employee contributions	—			—			—			—			1			1
Company contributions	8			10			7			7			4			5
Settlements	—			—			(2		)	(1		)	—			—
Benefits paid	(16		)	(15		)	(5		)	(4		)	(5		)	(6		)
Currency translation adjustments	—			—			(6		)	18			—			—
Fair value of plan assets, end of year	187			206			147			155			—			—
Funded Status at end of year	$	(27	)	$	(28	)	$	(88	)	$	(99	)	$	(41	)	$	(48	)
Recognized as:
Accrued and other current liabilities	$	—		$	—		$	(2	)	$	(2	)	$	(5	)	$	(6	)
Other non-current liabilities	$	(27	)	$	(28	)	$	(86	)	$	(97	)	$	(36	)	$	(42	)

Schedule of underfunded plans

Information for the underfunded pension benefit plans is as follows:

	U.S. Plan				Non-U.S. Plans
(in millions)	2018		2017		2018		2017
Projected benefit obligation	$	214	$	234	$	235	$	254
Accumulated benefit obligation	214		234		225		244
Fair value of plan assets	187		206		147		155

Future benefit payments for the pension benefit plans

Future benefit payments over the next 10 years for the pension benefit plans and the postretirement benefit plan, which reflect expected future service, as appropriate, are expected to be paid as follows:

(in millions)	Pension Benefit Plans				U.S. Postretirement  Benefit  Plan
	U.S. Plan		Non-U.S. Plans
2019	$	14	$	5	$	5
2020	18		5		5
2021	18		6		4
2022	18		6		4
2023	17		6		4
2024-2028	79		37		14

Weighted-average assumptions used to determine net periodic benefit costs and benefit obligations

The weighted-average assumptions used to determine net periodic benefit costs and benefit obligations for 2018, 2017 and 2016 were as follows:

	Pension Benefit Plans						U.S. Postretirement Benefit Plan
	2018		2017		2016		2018		2017		2016
For Determining Net Periodic (Benefit) Cost
U.S. Plans:
Discount rate	3.56	%	4.04	%	4.34	%	3.47	%	3.85	%	4.13	%
Expected rate of return on plan assets	7.50	%	7.50	%	7.50	%	—		—	%	5.50	%
Rate of compensation increase	—		—		—		—		—		—
Non-U.S. Plans:
Discount rate	2.29	%	2.08	%	2.74	%
Expected rate of return on plan assets	3.66	%	3.84	%	5.46	%
Rate of compensation increase	2.87	%	2.64	%	2.87	%

	Pension Benefit Plans				U.S. Postretirement Benefit Plan
	2018		2017		2018		2017
For Determining Benefit Obligation
U.S. Plans:
Discount rate	4.25	%	3.56	%	4.16	%	3.47	%
Rate of compensation increase	—		—		—		—
Non-U.S. Plans:
Discount rate	2.39	%	2.29	%
Rate of compensation increase	2.89	%	2.87	%

Actual asset allocations

The following presents the actual asset allocation as of December 31, 2018 and 2017:

	2018		2017
U.S. Plan
Equity securities	52	%	60	%
Fixed income securities	47	%	30	%
Other	1	%	10	%
Non-U.S. Plans
Cash and cash equivalents	5	%	9	%
Equity securities	20	%	23	%
Fixed income securities	69	%	66	%
Other	6	%	2	%

Fair value of pension and postretirement benefit plan assets assumed in connection with the Acquisition

The table below presents total plan assets by investment category as of December 31, 2018 and 2017 and the classification of each investment category within the fair value hierarchy with respect to the inputs used to measure fair value. There were no transfers between Level 1 and Level 2 during the years ended December 31, 2018 and 2017.

	Pension Benefit Plans - U.S. Plans
	As of December 31, 2018								As of December 31, 2017
(in millions)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Cash and cash equivalents	$	2	$	—	$	—	$	2	$	—	$	—	$	—	$	—
Commingled funds:
Equity securities:
U.S. broad market	—		51		—		51		—		76		—		76
Emerging markets	—		13		—		13		—		19		—		19
Worldwide developed markets	—		21		—		21		—		29		—		29
Other assets	—		13		—		13		—		20		—		20
Fixed income securities:
Investment grade	—		87		—		87		—		62		—		62
	$	2	$	185	$	—	$	187	$	—	$	206	$	—	$	206

	Pension Benefit Plans - Non-U.S. Plans
	As of December 31, 2018								As of December 31, 2017
(in millions)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Cash and cash equivalents	$	7	$	—	$	—	$	7	$	14	$	—	$	—	$	14
Commingled funds:
Equity securities:
Emerging markets	—		1		—		1		—		1		—		1
Worldwide developed markets	—		29		—		29		—		35		—		35
Fixed income securities:
Investment grade	—		9		—		9		—		10		—		10
Global high yield	—		2		—		2		—		4		—		4
Government bond funds	—		90		—		90		—		88		—		88
Other assets	—		9		—		9		—		3		—		3
	$	7	$	140	$	—	$	147	$	14	$	141	$	—	$	155