Note 11 - Properties

9 Months Ended

Sep. 30, 2024

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

11. Properties

The following tables list the major categories of property and equipment, as well as the weighted-average estimated useful life for each category (in years):

Millions, Except Estimated Useful Life						Accumulated				Net Book				Estimated
As of September 30, 2024		Cost				Depreciation				Value				Useful Life
Land		$	5,439				N/A			$	5,439				N/A
Road:
Rail and other track material			19,180				7,569				11,611				46
Ties			12,268				4,053				8,215				34
Ballast			6,457				2,148				4,309				34
Other roadway [a]			23,697				5,601				18,096				47
Total road			61,602				19,371				42,231				N/A
Equipment:
Locomotives			9,561				3,750				5,811				18
Freight cars			2,964				1,024				1,940				23
Work equipment and other [b]			1,191				472				719				17
Total equipment			13,716				5,246				8,470				N/A
Technology and other			1,423				616				807				12
Construction in progress			1,089				-				1,089				N/A
Total		$	83,269			$	25,233			$	58,036				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

[a]

Other roadway includes grading, bridges and tunnels, signals, buildings, and other road assets.

[b]

For retirements of depreciable railroad properties that do not occur in the normal course of business, a gain or loss may be recognized if the retirement meets each of the following three conditions: (a) is unusual, (b) is material in amount, and (c) varies significantly from the retirement profile identified through our depreciation studies. In the second quarter of 2024, we sold a large portion of an intermodal equipment asset class resulting in a $46 million gain recognized in other expense in our Condensed Consolidated Statements of Income.