Retirement Plan Benefits (Tables)

12 Months Ended

Dec. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Components of Change in Benefit Obligation of Pension Plans

The components of the change in benefit obligation of the Pension Plan is as follows (table in millions):

	December 31, 2015			December 31, 2014
Benefit obligation, at beginning of year	$	554		$	495
Interest cost	21			22
Benefits paid	(21		)	(19		)
Actuarial loss (gain)	(29		)	56
Benefit obligation, at end of year	$	525		$	554

Reconciliation of Beginning and Ending Balances of Fair Value of Assets of Pension Plans

The reconciliation of the beginning and ending balances of the fair value of the assets of the Pension Plan is as follows (table in millions):

	December 31, 2015			December 31, 2014
Fair value of plan assets, at beginning of year	$	486		$	449
Actual return on plan assets	(12		)	56
Benefits paid	(21		)	(19		)
Fair value of plan assets, at end of year	$	453		$	486

Components of Net Periodic Expense of Pension Plans

The components of net periodic expense of the Pension Plan are as follows (table in millions):

	2015			2014
Interest cost	$	21		$	22
Expected return on plan assets	(31		)	(29		)
Recognized actuarial loss	12			9
Net periodic expense	$	2		$	2

Weighted Average Assumptions Used in Pension Plans to Determine Benefit Obligations

The weighted-average assumptions used in the Pension Plan to determine periodic benefit cost for the years ended December 31 are as follows:

	December 31, 2015		December 31, 2014		December 31, 2013
Discount rate	3.9	%	4.7	%	3.7	%
Expected long-term rate of return on plan assets	6.50	%	6.75	%	6.75	%
Rate of compensation increase	N/A		N/A		N/A

The weighted-average assumptions used in the Pension Plan to determine benefit obligations at December 31 are as follows:

	December 31, 2015		December 31, 2014		December 31, 2013
Discount rate	4.2	%	3.9	%	4.7	%
Rate of compensation increase	N/A		N/A		N/A

Weighted Average Assumptions Used in Pension Plans to Determine Periodic Benefit Cost

The benefit payments are expected to be paid in the following years (table in millions):

2016	$	22
2017	23
2018	25
2019	27
2020	29
2021-2025	165

Pension Plan Assets at Fair Value

The following table sets forth, by level within the fair value hierarchy, the Pension Plan’s assets at fair value as of December 31, 2015 and 2014 (table in millions):

	December 31, 2015
	Level 1		Level 2		Level 3		Total
Common collective trusts	$	—	$	324	$	—	$	324
U.S. Treasury securities	5		—		—		5
Corporate debt securities	—		123		—		123
Total	$	5	$	447	$	—	452
Plan payables, net of accrued interest and dividends							1
Total							$	453
	December 31, 2014
	Level 1		Level 2		Level 3		Total
Common collective trusts	$	—	$	350	$	—	$	350
U.S. Treasury securities	2		—		—		2
Corporate debt securities	—		132		—		132
Total	$	2	$	482	$	—	484
Plan payables, net of accrued interest and dividends							2
Total							$	486

Pension Plan Investments at Fair Value Represented 5% or More of Pension Plan Net Assets

Pension Plan investments at fair value as of December 31, 2015 and 2014 which represented 5% or more of the Pension Plan’s net assets were as follows (table in millions):

	2015		2014
EB Daily Valued Small Cap Stock Index Fund	$	26	$	30
EB Daily Valued Stock Index Fund	91		103
EB Daily Valued International Stock Index Fund	26		27
EB Long Term Government Bond Index	49		50
EB Long Term Credit Bond Index	71		74
Custom Long Duration Fixed Income	130		137
	$	393	$	421

Weighted Average Target Asset Allocations

The long-term weighted average target asset allocations are as follows:

	December 31, 2015
U.S. large capitalization equities	17	%
U.S. small capitalization equities	4
International equities	4
U.S. long-duration fixed income	75
Total	100	%

Actual Allocation of the Assets in the Pension Plans

The actual allocation of the assets in the Pension Plan at December 31, 2015 and 2014 were as follows:

	December 31, 2015		December 31, 2014
U.S. large capitalization equities	29	%	30	%
U.S. small capitalization equities	6		6
International equities	7		7
U.S. long-duration fixed income	55		54
Below Investment Grade Corporate Fixed Income	3		3
Total	100	%	100	%