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Note 11 - Properties (Tables)

6 Months Ended

Jun. 30, 2024

Notes Tables

Property, Plant and Equipment [Table Text Block]

Millions, Except Estimated Useful Life						Accumulated				Net Book				Estimated
As of June 30, 2024		Cost				Depreciation				Value				Useful Life
Land		$	5,438			$	N/A			$	5,438				N/A
Road:
Rail and other track material			19,065				7,494				11,571				46
Ties			12,165				4,010				8,155				34
Ballast			6,415				2,122				4,293				34
Other roadway [a]			23,512				5,527				17,985				47
Total road			61,157				19,153				42,004				N/A
Equipment:
Locomotives			9,532				3,665				5,867				18
Freight cars			2,933				1,011				1,922				23
Work equipment and other [b]			1,168				455				713				17
Total equipment			13,633				5,131				8,502				N/A
Technology and other			1,421				609				812				12
Construction in progress			1,079				-				1,079				N/A
Total		$	82,728			$	24,893			$	57,835				N/A

Millions, Except Estimated Useful Life						Accumulated				Net Book				Estimated
As of December 31, 2023		Cost				Depreciation				Value				Useful Life
Land		$	5,426			$	N/A			$	5,426				N/A
Road:
Rail and other track material			18,837				7,344				11,493				42
Ties			11,985				3,895				8,090				34
Ballast			6,345				2,061				4,284				34
Other roadway [a]			23,175				5,368				17,807				47
Total road			60,342				18,668				41,674				N/A
Equipment:
Locomotives			9,295				3,591				5,704				18
Freight cars			2,765				956				1,809				23
Work equipment and other			1,344				546				798				17
Total equipment			13,404				5,093				8,311				N/A
Technology and other			1,388				574				814				12
Construction in progress			1,173				-				1,173				N/A
Total		$	81,733			$	24,335			$	57,398				N/A