v3.26.1
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.