Note 9. Employee Benefit Plans Employee Benefit Plans (Notes)

12 Months Ended

Dec. 31, 2017

EMPLOYEE BENEFIT PLANS

DEFINED BENEFIT PENSION PLAN

The Company’s defined benefit pension plan was closed to new entrants as of July 1, 1997 and existing participants do not accrue any additional benefits. The net periodic pension cost for both 2017 and 2016 was $1 million and was comprised of interest cost of approximately $6 million and the amortization of the actuarial net loss of $2 million, partially offset by a benefit of $7 million for the expected return on assets.

At December 31, 2017 and 2016, the accumulated benefit obligation of this plan was $145 million and $147 million, respectively, and the fair value of the plan assets were $108 million and $104 million, respectively, resulting in an unfunded accumulated benefit obligation of $37 million and $43 million, respectively, which is recorded in Other non-current liabilities in the Consolidated Balance Sheets.

Estimated future benefit payments as of December 31, 2017 are as follows:



Year	Amount
2018	$	9
2019	9
2020	9
2021	10
2022	10
2023 through 2027	47

The minimum funding required during 2018 is estimated to be $3 million.

The following table presents the fair values of plan assets by category as of December 31, 2017:



Asset Category	Quoted Price in Active Market for Identical Assets (Level I)		Significant Other Observable Inputs (Level II)		Significant Unobservable Inputs (Level III)		Total
Cash and cash equivalents	$	1	$	—	$	—	$	1
Equity securities	—		71		—		71
Fixed income securities	—		36		—		36
Total	$	1	$	107	$	—	$	108

The following table presents the fair values of plan assets by category as of December 31, 2016:



Asset Category	Quoted Price in Active Market for Identical Assets (Level I)		Significant Other Observable Inputs (Level II)		Significant Unobservable Inputs (Level III)		Total
Cash and cash equivalents	$	1	$	—	$	—	$	1
Equity securities	—		74		—		74
Fixed income securities	—		29		—		29
Total	$	1	$	103	$	—	$	104

OTHER EMPLOYEE BENEFIT PLANS

The Company also maintains post-retirement health and welfare plans for certain subsidiaries and a non-qualified pension plan for certain individuals. At both December 31, 2017 and 2016, the related projected benefit obligation for these plans accrued on the Company’s Consolidated Balance Sheets (primarily within other non-current liabilities) was $6 million.

DEFINED CONTRIBUTION SAVINGS PLAN

The Company sponsors a defined contribution savings plan that provides certain of its eligible employees an opportunity to accumulate funds for retirement and has a Company match for a portion of the contributions made by participating employees. The Company’s cost for contributions to this plan was $16 million, $15 million and $14 million for the years ended December 31, 2017, 2016 and 2015, respectively.