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Pension and Other Postretirement Benefit Plans | 3 Months Ended
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Mar. 31, 2020
Compensation And Retirement Disclosure [Abstract] |
Pension and Other Postretirement Benefit Plans | 12. Pension and Other Postretirement Benefit Plans Net pension cost (credit) for the Schlumberger pension plans included the following components:
(Stated in millions) |
| First Quarter |
| 2020 |  |  | 2019 |
| US |  |  | Int'l |  |  | US |  |  | Int'l |
Service cost | $ | 15 |  |  | $ | 37 |  |  | $ | 14 |  |  | $ | 32 |
Interest cost |  | 37 |  |  |  | 75 |  |  |  | 45 |  |  |  | 83 |
Expected return on plan assets |  | (58 | ) |  |  | (147 | ) |  |  | (58 | ) |  |  | (150 | )
Amortization of prior service cost |  | 2 |  |  |  | - |  |  |  | 2 |  |  |  | 2 |
Amortization of net loss |  | 11 |  |  |  | 40 |  |  |  | 8 |  |  |  | 16 |
| $ | 7 |  |  | $ | 5 |  |  | $ | 11 |  |  | $ | (17 | )
The net periodic benefit credit for the Schlumberger US postretirement medical plan included the following components:
(Stated in millions) |
| First Quarter |
| 2020 |  |  | 2019 |
Service cost | $ | 9 |  |  | $ | 8 |
Interest cost |  | 10 |  |  |  | 12 |
Expected return on plan assets |  | (17 | ) |  |  | (16 | )
Amortization of prior service credit |  | (7 | ) |  |  | (7 | )
| $ | (5 | ) |  | $ | (3 | )

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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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