Pioneer 401(k) Plan Merger |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| EMSP 334 | |
| EBP, Description of Plan [Line Items] | |
| Pioneer 401(k) Plan Merger | Pioneer 401(k) Plan Merger On June 15, 2026, Pioneer Natural Resources USA, Inc. 401(k) and Matching Plan will merge into the ExxonMobil Savings Plan. At December 31, 2025, Pioneer Natural Resources USA, Inc. 401(k) and Matching Plan net assets were valued at $855 million.
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