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

12 Months Ended

Dec. 31, 2020

Schedule of depreciation expense

Depreciation expense for each of the three years ending December 31, 2020 is summarized below (in millions).

	2020		2019		2018
Insurance and other	$	2,320	$	2,269	$	2,186
Railroad, utilities and energy		5,799		5,297		5,098
	$	8,119	$	7,566	$	7,284

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,
	2020			2019
Land, buildings and improvements	$	13,799		$	13,259
Machinery and equipment		25,488			24,285
Furniture, fixtures and other		4,530			4,666
		43,817			42,210
Accumulated depreciation		(22,617	)		(20,772	)
	$	21,200		$	21,438

Railroad, Utilities and Energy [Member]

Schedule of property, plant and equipment

A summary of property, plant and equipment of 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,
	2020			2019
Railroad:
Land, track structure and other roadway	$	63,824		$	62,404
Locomotives, freight cars and other equipment		13,523			13,482
Construction in progress		916			748
		78,263			76,634
Accumulated depreciation		(13,175	)		(12,101	)
		65,088			64,533
Utilities and energy:
Utility generation, transmission and distribution systems		86,730			81,127
Interstate natural gas pipeline assets		16,667			8,165
Independent power plants and other assets		12,671			8,817
Construction in progress		3,308			3,732
		119,376			101,841
Accumulated depreciation		(33,248	)		(28,536	)
		86,128			73,305
	$	151,216		$	137,838