NORTHROP GRUMMAN CORP /DE/
For the period ended Sep 30, 2025. Filed Oct 21, 2025.
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Sep 30, 2025 · Filed Oct 21, 2025
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8. Retirement Benefits
- RETIREMENT BENEFITS
The cost to the company of its pension and other postretirement benefit (OPB) plans is shown in the following table:
| Three Months Ended September 30 · Nine Months Ended September 30 | ||||||||
|---|---|---|---|---|---|---|---|---|
| PensionBenefits | OPB | PensionBenefits | OPB | |||||
| $ in millions | 2025 | 2024 | 2025 | 2024 | 2025 | 2024 | 2025 | 2024 |
| Components of net periodic benefit cost (benefit) | ||||||||
| Service cost | $55 | $60 | $1 | $1 | $163 | $179 | $3 | $3 |
| Interest cost | 404 | 381 | 16 | 15 | 1,209 | 1,144 | 47 | 46 |
| Expected return on plan assets | (540) | (549) | (22) | (21) | (1,619) | (1,647) | (64) | (64) |
| Amortization of prior service credit | — | — | (1) | — | — | — | (2) | — |
| Other | — | — | — | — | 7 | — | — | — |
| Net periodic benefit cost (benefit) | $(81) | $(108) | $(6) | $(5) | $(240) | $(324) | $(16) | $(15) |
Employer Contributions
The company sponsors defined benefit pension and OPB plans, as well as defined contribution plans. We fund our defined benefit pension plans annually in a manner consistent with the Employee Retirement Income Security Act of 1974, as amended by the Pension Protection Act of 2006.
Contributions made by the company to its retirement plans are as follows:
| Three Months Ended September 30 | Nine Months Ended September 30 | |||
|---|---|---|---|---|
| $ in millions | 2025 | 2024 | 2025 | 2024 |
| Defined benefit pension plans | $25 | $17 | $67 | $66 |
| OPB plans | 7 | 7 | 27 | 27 |
| Defined contribution plans | 133 | 136 | 517 | 517 |
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