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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
Components of property and equipment, net
Property and equipment, net is stated at cost and consisted of the following (in millions):
Estimated Useful
Lives (Years)
December 31,
20202019
Pipelines and related facilities (1)
10 - 70
$11,112 $11,114 
Storage, terminal and rail facilities
10 - 70
6,042 6,134 
Trucking equipment and other
2 - 15
524 486 
Construction in progressN/A272 518 
Office property and equipment
2 - 50
293 269 
Land and otherN/A342 427 
Property and equipment, gross18,585 18,948 
Accumulated depreciation(3,974)(3,593)
Property and equipment, net$14,611 $15,355 

(1)We include rights-of-way, which are intangible assets, in our Pipelines and related facilities amounts within property and equipment.