Property, plant and equipment including equipment held for lease (Tables)

3 Months Ended

Mar. 31, 2025

Schedule of depreciation expense

Property, plant and equipment depreciation expense for the first quarter of 2025 and 2024 is summarized below (in millions).

	2025		2024
Insurance and other	$	784	$	767
Railroad, utilities and energy		1,665		1,625
	$	2,449	$	2,392

Insurance and Other [Member]

Schedule of property, plant and equipment

A summary of property, plant and equipment of our insurance and other businesses follows (in millions).

	March 31, 2025			December 31, 2024
Land, buildings and improvements	$	20,951		$	20,735
Machinery and equipment		32,866			32,475
Furniture, fixtures and other		5,699			5,501
		59,516			58,711
Accumulated depreciation		(29,301	)		(28,640	)
	$	30,215		$	30,071

Railroad, Utilities and Energy [Member]

Schedule of property, plant and equipment

A summary of property, plant and equipment of our railroad, utilities and energy businesses follows (in millions). The utility generation, transmission and distribution systems and interstate natural gas pipeline assets are owned by regulated public utility and natural gas pipeline subsidiaries.

	March 31, 2025			December 31, 2024
Railroad:
Land, track structure and other roadway	$	74,882		$	74,093
Locomotives, freight cars and other equipment		15,463			15,766
Construction in progress		1,869			1,813
		92,214			91,672
Accumulated depreciation		(20,969	)		(20,411	)
		71,245			71,261
Utilities and energy:
Utility generation, transmission and distribution systems		104,030			103,015
Interstate natural gas pipeline assets		20,327			20,237
Independent power plants and other		15,389			14,840
Construction in progress		9,575			8,793
		149,321			146,885
Accumulated depreciation		(44,007	)		(43,116	)
		105,314			103,769
	$	176,559		$	175,030