Subsequent Event	12 Months Ended
Dec. 31, 2025
EBP 002
EBP, Subsequent Event [Line Items]
Subsequent Event	Note 10—Subsequent Event Effective January 1, 2026, the following changes were made: • Participants turning age 60 to 63 during the year have an increased catch-up contribution limit available ($11,250 in 2026 and as indexed in future years). • For participants with Phillips 66 FICA wages (Box 3 of Form W-2) of more than $150,000 (as indexed in the future years) in the prior year (2025), catch-up contributions must be made on a Roth after-tax basis.

Subsequent Event

12 Months Ended

Dec. 31, 2025

Note 10—Subsequent Event

Effective January 1, 2026, the following changes were made:

•

Participants turning age 60 to 63 during the year have an increased catch-up contribution limit available ($11,250 in 2026 and as indexed in future years).

•

For participants with Phillips 66 FICA wages (Box 3 of Form W-2) of more than $150,000 (as indexed in the future years) in the prior year (2025), catch-up contributions must be made on a Roth after-tax basis.