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Inventories (Notes)
 9 Months Ended
Sep. 30, 2023
Inventory, Net [Abstract]  
Inventories INVENTORIES
Inventories consisted of the following:
September 30,
2023		December 31,
2022
Natural gas, NGLs and refined products
$1,951 $1,802 
Crude oil169 246 
Spare parts and other470 413 
Total inventories$2,590 $2,461 
Sunoco LP’s fuel inventories are stated at the lower of cost or market using the last-in, first-out (“LIFO”) method. As of September 30, 2023 and December 31, 2022, the carrying value of Sunoco LP’s fuel inventory included lower of cost or market reserves of $3 million and $116 million, respectively. For the three and nine months ended September 30, 2023 and 2022, 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 September 30, 2023 and 2022, the Partnership’s cost of products sold included favorable inventory adjustments of $141 million and unfavorable inventory adjustments of $40 million, respectively, related to Sunoco LP’s LIFO inventory. For the nine months ended September 30, 2023 and 2022, the Partnership’s cost of products sold included favorable inventory adjustments of $113 million and favorable inventory adjustments of $81 million, respectively, related to Sunoco LP’s LIFO inventory.