Employee Bargaining Agreements and Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2015

Change in Benefit Obligation, Plan Assets and Funded Status of Defined Benefit Pension Plans

The change in benefit obligation, plan assets and the funded status of the defined benefit pension plans in the United Kingdom using a measurement date of December 31, 2015 and 2014, are as follows (in millions):

	Pension Benefits
At year end	2015			2014
Benefit obligation at beginning of year	$	4		$	5
Service cost		—			—
Interest cost		1			—
Actuarial loss (gain)		(1	)		—
Benefits paid		—			—
Participants contributions		—			—
Exchange rate loss (gain)		—			—
Acquisitions (disposals)		13			—
Currency Impact		(1	)		(1	)
Benefit obligation at end of year		16			4

Fair value of plan assets at beginning of year	$	5		$	6
Actual return		(1	)		—
Benefits paid		—			—
Company contributions		1			—
Participants contributions		—			—
Exchange rate gain (loss)		—			—
Acquisitions (disposals)		13			—
Currency Impact		—			(1	)
Fair value of plan assets at end of year		18			5

Funded status		2			1
Accumulated benefit obligation at end of year		16			4

Assumption Rates Used for Benefit Obligations

The assumption rates used for benefit obligations are as follows:

	Years Ended December 31,
	2015			2014
Discount rate:		3.70	%		3.90	%

Assumption Rates Used for Net Periodic Benefit Costs

The assumption rates used for net periodic benefit costs are as follows:

	Years Ended December 31,
	2015	2014		2013
Discount rate:	3.10% - 3.90%	3.90% - 4.40%			4.40%
Expected return on assets:	2.13% - 5.50%		5.50%		5.50%

Plan's Assets Carried at Fair Value

The following table sets forth by level, within the fair value hierarchy, the Plan’s assets carried at fair value (in millions):

	Fair Value Measurements
	Total		Level 1		Level 2		Level 3
December 31, 2014:
Equity securities	$	—	$	—	$	—	$	—
Fixed Income Securities		—		—		—		—
Other		5		—		5		—
Total Fair Value Measurements	$	5	$	—	$	5	$	—

December 31, 2015:
Equity securities	$	10	$	10	$	—	$	—
Fixed Income Securities		3		3		—		—
Other		5		—		5		—
Total Fair Value Measurements	$	18	$	13	$	5	$	—