Pensions and Other Postretirement Benefits | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, 2024 | | Three Months Ended June 30, 2023 | | Pension Benefits | | Global OPEB Plans | | Pension Benefits | | Global OPEB Plans | | U.S. | | Non-U.S. | | | U.S. | | Non-U.S. | | | Service cost | $ | 47 | | | $ | 36 | | | $ | 2 | | | $ | 43 | | | $ | 42 | | | $ | 2 | | | Interest cost | 533 | | | 133 | | | 58 | | | 568 | | | 176 | | | 59 | | | Expected return on plan assets | (685) | | | (137) | | | — | | | (730) | | | (184) | | | — | | | Amortization of prior service cost (credit) | 15 | | | 1 | | | (1) | | | — | | | — | | | (1) | | | Amortization of net actuarial (gains) losses | 2 | | | 11 | | | — | | | — | | | 9 | | | (5) | | | | | | | | | | | | | | | | | | | | | | | | | | | Net periodic pension and OPEB (income) expense | $ | (88) | | | $ | 44 | | | $ | 59 | | | $ | (119) | | | $ | 43 | | | $ | 55 | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Six Months Ended June 30, 2024 | | Six Months Ended June 30, 2023 | | Pension Benefits | | Global OPEB Plans | | Pension Benefits | | Global OPEB Plans | | U.S. | | Non-U.S. | | | U.S. | | Non-U.S. | | | Service cost | $ | 94 | | | $ | 70 | | | $ | 5 | | | $ | 87 | | | $ | 84 | | | $ | 4 | | | Interest cost | 1,066 | | | 261 | | | 114 | | | 1,136 | | | 337 | | | 118 | | | Expected return on plan assets | (1,370) | | | (268) | | | — | | | (1,460) | | | (352) | | | — | | | Amortization of prior service cost (credit) | 30 | | | 2 | | | (1) | | | (1) | | | 1 | | | (1) | | | Amortization of net actuarial (gains) losses | 4 | | | 23 | | | — | | | — | | | 17 | | | (11) | | | | | | | | | | | | | | | Net periodic pension and OPEB (income) expense | $ | (176) | | | $ | 88 | | | $ | 118 | | | $ | (238) | | | $ | 87 | | | $ | 110 | |
The non-service cost components of net periodic pension and other postretirement benefits (OPEB) income presented in Interest income and other non-operating income, net are insignificant in the three months ended June 30, 2024 and 2023 and insignificant and $172 million in the six months ended June 30, 2024 and 2023.
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