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

9 Months Ended

Sep. 30, 2019

Schedule of depreciation expense

Depreciation expense for the first nine months of 2019 and 2018 is summarized below (in millions).

	First Nine Months
	2019		2018
Insurance and other	$	1,660	$	1,622
Railroad, utilities and energy		3,881		3,678
	$	5,541	$	5,300

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).

	September 30, 2019			December 31, 2018
Land	$	2,557		$	2,536
Buildings and improvements		10,530			9,959
Machinery and equipment		23,409			22,574
Furniture, fixtures and other		5,064			4,758
		41,560			39,827
Accumulated depreciation		(20,330	)		(19,199	)
	$	21,230		$	20,628

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.

	September 30, 2019			December 31, 2018
Railroad:
Land, track structure and other roadway	$	61,345		$	59,509
Locomotives, freight cars and other equipment		13,381			13,016
Construction in progress		788			664
		75,514			73,189
Accumulated depreciation		(11,512	)		(10,004	)
		64,002			63,185
Utilities and energy:
Utility generation, transmission and distribution systems		78,596			77,288
Interstate natural gas pipeline assets		7,637			7,524
Independent power plants and other assets		8,572			8,324
Construction in progress		5,313			3,110
		100,118			96,246
Accumulated depreciation		(28,794	)		(27,651	)
		71,324			68,595
	$	135,326		$	131,780