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Inventories Inventories (Policies) | 6 Months Ended
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Jun. 30, 2025
Inventory Disclosure [Abstract] |
Inventory, Policy [Policy Text Block] | Sunoco LP’s fuel inventories are stated at the lower of cost or market using the LIFO method. As of June 30, 2025 and December 31, 2024, Sunoco LP’s fuel inventory balance included lower of cost or market reserves of $295 million and $316 million, respectively. For the three and six months ended June 30, 2025 and 2024, the Partnership’s consolidated income statements did not include any material amounts of income from the liquidation of Sunoco LP’s LIFO fuel inventory. For the three months ended June 30, 2025 and 2024, the Partnership’s cost of products sold included unfavorable inventory valuation adjustments of $40 million and $32 million, respectively, which decreased net income. For the six months ended June 30, 2025 and 2024, the Partnership's cost of sales included favorable inventory valuation adjustments of $21 million and $98 million, respectively, which increased net income.

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