Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2018

Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block]

The following table presents the projected benefit obligation, fair value of plan assets, funded status and accumulated benefit obligation for the Domestic Plan, the U.K. Plan and the International Plans:



	Domestic Plan						U.K. Plan						International Plans
	2018			2017			2018			2017			2018			2017
	(in millions)
Change in Projected Benefit Obligation:
Benefit obligation at beginning of year	$	384		$	381		$	443		$	404		$	86		$	81
Service cost	—			—			3			2			2			1
Interest cost	12			12			9			10			2			1
Prior service cost⁽¹⁾	—			—			4			—			—			—
Actuarial loss (gain)	(14		)	16			(39		)	4			—			3
Settlements and curtailments	(2		)	(1		)	—			—			(1		)	—
Effect of foreign exchange rates	—			—			(25		)	40			(1		)	4
Benefits paid	(23		)	(24		)	(20		)	(17		)	(5		)	(4		)
Benefit obligation at end of year	$	357		$	384		$	375		$	443		$	83		$	86

Change in Plan Assets:
Fair value of plan assets at beginning of year	$	306		$	267		$	386		$	336		$	65		$	58
Actual return on plan assets, net of expenses	(23		)	43			(14		)	24			(1		)	6
Employer contributions	16			21			10			9			4			4
Settlements	(2		)	(1		)	—			—			—			—
Effect of foreign exchange rates	—			—			(22		)	34			—			1
Benefits paid	(23		)	(24		)	(20		)	(17		)	(5		)	(4		)
Fair value of plan assets at end of year	274			306			340			386			63			65
Funded status at end of year (underfunded)	(83		)	(78		)	(35		)	(57		)	(20		)	(21		)
Accumulated benefit obligation	$	357		$	384		$	375		$	443		$	83		$	86

____________

⁽¹⁾

Relates to U.K. pension equalization requirements.

Schedule of Amounts Recognized in Balance Sheet [Table Text Block]

Amounts recognized in the consolidated balance sheets consisted of the following:



	Domestic Plan						U.K. Plan						International Plans
	2018			2017			2018			2017			2018			2017
	(in millions)
Other non-current assets	$	—		$	—		$	—		$	—		$	7		$	9
Other liabilities	(83		)	(78		)	(35		)	(57		)	(27		)	(30		)
Net amount recognized	$	(83	)	$	(78	)	$	(35	)	$	(57	)	$	(20	)	$	(21	)

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

Amounts recognized in accumulated other comprehensive loss consisted of the following:



	Domestic Plan									U.K. Plan									International Plans
	2018			2017			2016			2018			2017			2016			2018			2017		2016
	(in millions)
Net actuarial loss (gain)	$	22		$	(15	)	$	—		$	(14	)	$	13		$	41		$	3		$	—	$	3
Prior service cost (credit)	(4		)	(3		)	(3		)	4			—			—			—			—		—
Amortization of net loss	(3		)	(3		)	(3		)	(4		)	(4		)	(2		)	(1		)	—		(1		)
Net amount recognized	$	15		$	(21	)	$	(6	)	$	(14	)	$	9		$	39		$	2		$	—	$	2

Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year [Table Text Block]

The estimated unrecognized prior service cost and net loss that will be amortized into net periodic pension cost (credit) during the year ended December 31, 2019 are as follows:



	Domestic Plan		U.K. Plan		International Plans
	(in millions)
Unrecognized prior service cost⁽¹⁾	$	3	$	—	$	—
Unrecognized net loss⁽¹⁾	3		4		—
Amount unrecognized	$	6	$	4	$	—

____________

⁽¹⁾

Unrecognized prior service cost amounts for the U.K. Plan and International Plans are less than $1 million and unrecognized net loss amounts for the International Plans are less than $1 million.

Schedule of Net Benefit Costs [Table Text Block]

The net periodic pension cost (credit) was as follows:



	Domestic Plan									U.K. Plan									International Plans
	2018			2017			2016			2018			2017			2016			2018			2017			2016
	(in millions)
Service cost	$	6		$	8		$	8		$	3		$	2		$	2		$	2		$	2		$	3
Interest cost	12			12			13			9			10			12			2			2			2
Expected return on plan assets	(19		)	(19		)	(19		)	(21		)	(19		)	(22		)	(3		)	(3		)	(3		)
Amortization of prior service cost	3			3			4			—			—			—			—			—			—
Amortization of net loss	3			3			3			4			4			2			1			—			—
Net periodic pension cost (credit)	$	5		$	7		$	9		$	(5	)	$	(3	)	$	(6	)	$	2		$	1		$	2

Schedule of Assumptions Used [Table Text Block]

The weighted-average assumptions used to determine benefit obligations were as follows:



	Domestic Plan				U.K. Plan				International Plans
	2018		2017		2018		2017		2018		2017
Discount rate	4.3	%	3.6	%	3.1	%	2.6	%	3.3	%	2.4	%
Salary inflation	N/A		N/A		1.8		1.8		2.2		2.2
Pension inflation	N/A		N/A		3.0		3.0		1.8		1.8

The weighted-average assumptions used to determine net periodic pension cost (credit) were as follows:



	Domestic Plan						U.K. Plan						International Plans
	2018		2017		2016		2018		2017		2016		2018		2017		2016
Discount rate	3.6	%	4.0	%	4.2	%	2.6	%	2.8	%	3.9	%	2.9	%	3.0	%	3.5	%
Expected return on plan assets	7.0		7.0		7.3		5.5		5.5		6.5		4.6		4.3		5.4
Salary inflation	N/A		N/A		N/A		1.8		1.9		1.7		2.2		2.1		2.1
Pension inflation	N/A		N/A		N/A		3.0		3.1		2.8		1.8		1.7		1.6

Schedule of Allocation of Plan Assets [Table Text Block]

The following tables present the fair value hierarchy of total plan assets measured at fair value by asset category:



	December 31, 2018
	Domestic Plan		U.K. Plan		International Plans
	(in millions)
Level 1
Cash and cash equivalents	$	—	$	34	$	11
Equity funds	—		33		2
Bond funds	—		39		—
Alternative investments	—		140		—
Level 2
Equity funds	—		—		4
Bond funds	—		—		6
Net asset value⁽¹⁾
Bond funds	—		44		—
Common collective trusts	274		—		40
Other	—		50		—
	$	274	$	340	$	63



	December 31, 2017
	Domestic Plan		U.K. Plan		International Plans
	(in millions)
Level 1
Cash and cash equivalents	$	—	$	—	$	11
Level 2
Equity funds	—		—		6
Bond funds	—		—		5
Net asset value⁽¹⁾
Common collective trusts	306		386		43
	$	306	$	386	$	65

____________

⁽¹⁾

Certain investments are measured at net asset value per share as a practical expedient and, therefore, have not been classified in the fair value hierarchy.

Schedule of Expected Benefit Payments [Table Text Block]

As of December 31, 2018, the benefits expected to be paid in the next five years and in the aggregate for the five years thereafter were as follows:



	Domestic Plan		U.K. Plan		International Plans
Year	(in millions)
2019	$	35	$	19	$	11
2020	27		19		6
2021	27		20		5
2022	26		20		5
2023	26		20		5
2024-2028	121		107		24
	$	262	$	205	$	56