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

12 Months Ended

Dec. 31, 2024

Schedule of depreciation expense

Depreciation expense for each of the three years ending December 31, 2024 is summarized below (in millions).

	2024		2023		2022
Insurance and other	$	3,117	$	2,898	$	2,276
Railroad, utilities and energy		6,514		6,494		6,181
	$	9,631	$	9,392	$	8,457

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).

	December 31,
	2024			2023
Land, buildings and improvements	$	20,735		$	19,598
Machinery and equipment		32,475			31,865
Furniture, fixtures and other		5,501			5,850
		58,711			57,313
Accumulated depreciation		(28,640	)		(27,114	)
	$	30,071		$	30,199

Railroad, Utilities and Energy [Member]

Schedule of property, plant and equipment

A summary of property, plant and equipment of our railroad and 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.

	December 31,
	2024			2023
Railroad:
Land, track structure and other roadway	$	74,093		$	71,692
Locomotives, freight cars and other equipment		15,766			16,256
Construction in progress		1,813			1,715
		91,672			89,663
Accumulated depreciation		(20,411	)		(19,464	)
		71,261			70,199
Utilities and energy:
Utility generation, transmission and distribution systems	$	103,015		$	96,195
Interstate natural gas pipeline assets		20,237			19,226
Independent power plants and other		14,840			14,781
Construction in progress		8,793			9,267
		146,885			139,469
Accumulated depreciation		(43,116	)		(40,221	)
		103,769			99,248
	$	175,030		$	169,447