XML 55 R42.htm IDEA: XBRL DOCUMENT v3.22.2
Inventories Inventory Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Inventory [Line Items]          
Excess of Replacement or Current Costs over Stated LIFO Value $ 253   $ 253    
Inventory valuation adjustments (1) $ (59) (121) $ (159)  
Sunoco LP [Member]          
Inventory [Line Items]          
Inventory, LIFO Reserve 0   0   $ 121
Inventory valuation adjustments $ 1 $ 59 $ 121 $ 159