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Defined Benefit Pension Plans | 3 Months Ended
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Mar. 31, 2020
Retirement Benefits [Abstract] |
Compensation and Employee Benefit Plans | DEFINED BENEFIT PENSION PLANSThe following table summarizes our net periodic pension cost for our defined benefit pension and postretirement plans during the three months ended March 31, 2020 and 2019:
| Three Months Ended March 31,
| 2020 |  | 2019
Service cost | $ | 1 |  |  | $ | 1 |
Other components of net periodic pension cost 1: |  |  |
Interest cost | 3 |  |  | 4 |
Expected return on plan assets | (4 | ) |  | (4 | )
Amortization of prior service cost | — |  |  | — |
Amortization of net loss | 1 |  |  | 1 |
Net periodic pension cost | $ | 1 |  |  | $ | 2 |
1Other components of net periodic pension cost are included in Other non-operating items on our Condensed Consolidated Statements of Income.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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