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Property, Plant and Equipment (Tables)
9 Months Ended
Sep. 30, 2019
Property, Plant and Equipment [Abstract]  
Summary Of Property, Plant And Equipment
(In millions)
September 30,
2019
 
December 31,
2018
Refining & Marketing
$
28,470

 
$
27,590

Retail
6,939

 
6,637

Midstream
26,652

 
25,692

Corporate and Other
1,229

 
1,294

Total
63,290

 
61,213

Less accumulated depreciation
18,256

 
16,155

Property, plant and equipment, net
$
45,034

 
$
45,058