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Pension Plans and Other Postretirement Benefits
 6 Months Ended
Jun. 30, 2019
Retirement Benefits [Abstract]  
Pension Plans and Other Postretirement Benefits
14. Pension Plans and Other Postretirement Benefits


The Company has contributory and non-contributory defined-benefit pension plans, which include both qualified and supplemental plans. The Company also provides certain health care and life insurance benefits for certain retired employees. Retiree health care benefits are funded by contributions from the retiree and, in certain circumstances, contributions from the Company. The Company’s retiree life insurance plan is noncontributory. The following summarizes the Company’s pension and other postretirement benefit cost:

Pension Benefits
 
Other Benefits
millions

2019


2018

 
 
2019

 
2018

Three Months Ended June 30
 
 
 
 
 
 
 
 
 
Service cost
 
$
22

 
$
22

 
 
$
—

 
$
1

Interest cost
 
20

 
19

 
 
3

 
2

Expected (return) loss on plan assets
 
(20
)
 
(20
)
 
 
—

 
—

Amortization of net actuarial loss (gain)
 
3

 
6

 
 
—

 
—

Amortization of net prior service cost (credit)
 
—

 
—

 
 
—

 
(6
)
Settlement expense
 
13

 
—

 
 
—

 
—

Termination benefits expense
 
2

 
—

 
 
—

 
—

Net periodic benefit cost (1)
 
$
40

 
$
27

 
 
$
3

 
$
(3
)
 
 
 
 
 
 
 
 
 
 
Six Months Ended June 30
 
 
 
 
 
 
 
 
 
Service cost
 
$
44

 
$
45

 
 
$
—

 
$
1

Interest cost
 
40

 
38

 
 
6

 
5

Expected (return) loss on plan assets
 
(41
)
 
(41
)
 
 
—

 
—

Amortization of net actuarial loss (gain)
 
7

 
13

 
 
—

 
—

Amortization of net prior service cost (credit)
 
—

 
—

 
 
(1
)
 
(12
)
Settlement expense
 
17

 
—

 
 
—

 
—

Termination benefits expense
 
2

 
—

 
 
—

 
—

Net periodic benefit cost (1)
 
$
69

 
$
55

 
 
$
5

 
$
(6
)

(1) 
The service cost component of net periodic benefit cost is included in G&A; oil and gas operating expense; gathering, processing, and marketing expense; and exploration expense, and all other components of net periodic benefit cost are included in other (income) expense on the Company’s Consolidated Statements of Income.

The Company contributed $91 million to funded pension plans and $25 million to unfunded pension plans during the six months ended June 30, 2019.