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Retirement and Postretirement Benefit Plans | 9 Months Ended
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Sep. 30, 2019
Retirement Benefits [Abstract] |
Retirement and Postretirement Benefit Plans | Retirement and Postretirement Benefit Plans Occidental has various defined benefit pension plans for certain domestic union, non-union hourly and foreign national employees. In addition, Occidental also provides medical and other benefits for certain active, retired and disabled employees and their eligible dependents. In conjunction with the Merger, Occidental acquired certain Anadarko contributory and non-contributory defined benefit pension plans, which include both qualified and supplemental plans, and plans that provide health care and life insurance benefits for certain retired employees. The Anadarko pension and postretirement obligations were remeasured as of the Merger date. The disclosures below exclude the Africa Assets classified as held for sale as of September 30, 2019. The remeasurement resulted in an increase to the benefit obligation of $193 million. Accumulated other comprehensive income balances of $390 million were eliminated in purchase price accounting. Net periodic benefit costs related to pension benefits included a curtailment gain of $34 million and a $10 million cost of special termination benefits for both the three and nine months ended September 30, 2019. The curtailment gain and cost of special termination benefits for 2019 relate to the separation program initiated in conjunction with the Merger. Excluding these items, net periodic benefit costs related to pension benefits were $15 million and $19 million for the three and nine months ended September 30, 2019, respectively, compared to $2 million and $4 million for the same periods in 2018. Net periodic benefit costs related to postretirement benefits were $19 million and $48 million for the three and nine months ended September 30, 2019, respectively, compared to $15 million and $55 million for the same periods in 2018. Occidental contributed approximately $7 million and $2 million in the three months ended September 30, 2019, and 2018, respectively, and approximately $8 million and $4 million in the nine months ended September 30, 2019, and 2018, respectively, to its defined benefit plans.

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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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