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Inventory (Policies)
6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
Inventory, Policy Fuel inventories are stated at the lower of cost or market using the last-in-first-out (“LIFO”) method. As of June 30, 2022 and December 31, 2021, the Partnership’s fuel inventory balance included lower of cost or market reserves of zero and $121 million, respectively. The fuel inventory replacement cost was $253 million higher than the fuel inventory balance as of June 30, 2022. For the three and six months ended June 30, 2022 and 2021, the Partnership’s consolidated statements of operations and comprehensive income did not include any material amounts of income from the liquidation of LIFO fuel inventory. For the three months ended June 30, 2022 and 2021, the Partnership’s cost of sales included favorable inventory adjustments of $1 million and $59 million, respectively, and for the six months ended June 30, 2022 and 2021, the Partnership’s cost of sales included favorable inventory adjustments of $121 million and $159 million, respectively.