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Property and Equipment
 12 Months Ended
Dec. 31, 2022
Property, Plant and Equipment [Abstract]  
Property and Equipment PROPERTY AND EQUIPMENT
Property and equipment, at cost, consisted of the following (in millions): 
 December 31,
 20212022
Gross property and equipment (1):
Land and buildings$81,104 $91,650 
Equipment128,683 157,458 
Other assets4,118 4,602 
Construction in progress24,895 30,020 
Gross property and equipment238,800 283,730 
Total accumulated depreciation and amortization (1)78,519 97,015 
Total property and equipment, net$160,281 $186,715 
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(1)Includes the original cost and accumulated depreciation of fully-depreciated assets.
Depreciation and amortization expense on property and equipment was $16.2 billion, $22.9 billion, and $24.9 billion which includes amortization of property and equipment acquired under finance leases of $8.5 billion, $9.9 billion, and $6.1 billion for 2020, 2021, and 2022.