Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2023

Property and Equipment [Abstract]

Property and Equipment, net

Property and equipment, net (in millions), and the corresponding ranges of estimated useful lives were as follows:

	December 31, 2023		December 31, 2022		Range of Estimated Useful Life
Land for transportation purposes	$	7,068	$	6,538	—
Track structure	30,366		28,334		15 – 55 years
Other roadway a	34,257		32,478		10 – 100 years
Locomotives	10,627		10,528		8 – 37 years
Freight cars and other equipment	3,927		3,838		8 – 45 years
Computer hardware, software and other	1,703		1,664		6 – 15 years
Construction in progress	1,715		1,744		—
Total cost	89,663		85,124
Less accumulated depreciation and amortization	(19,464)		(17,899)
Property and equipment, net	$	70,199	$	67,225
a  Other roadway includes grading, bridges, signals, buildings and other road assets.