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

9 Months Ended

Sep. 30, 2014

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).

	Ranges of estimated useful life	September 30, 2014		December 31, 2013
Land	—	$	1,160	$	1,098
Buildings and improvements	2 – 40 years		6,505		6,244
Machinery and equipment	3 – 25 years		16,319		15,984
Furniture, fixtures and other	2 – 15 years		3,182		2,748
			27,166		26,074
Accumulated depreciation			(13,113)		(12,451)
		$	14,053	$	13,623

Railroad, Utilities and Energy [Member]

Schedule of property, plant and equipment

A summary of property, plant and equipment of our railroad and our utilities and energy businesses follows (in millions).

	Ranges of estimated useful life	September 30, 2014			December 31, 2013
Railroad:
Land	—	$	5,976		$	5,973
Track structure and other roadway	5 –100 years		41,779			40,098
Locomotives, freight cars and other equipment	5 – 40 years		8,929			7,551
Construction in progress	—		1,198			973
Utilities and energy:
Utility generation, distribution and transmission system	5 – 80 years		59,864			57,490
Interstate pipeline assets	3 – 80 years		6,508			6,448
Independent power plants and other assets	3 – 30 years		4,551			2,516
Construction in progress	—		4,126			4,217
			132,931			125,266
Accumulated depreciation			(25,212	)		(22,784	)
		$	107,719		$	102,482

Finance and Financial Products [Member]

Schedule of property, plant and equipment

Assets held for lease and property, plant and equipment of our finance and financial products businesses are summarized below (in millions).

	Ranges of estimated useful life	September 30, 2014			December 31, 2013
Assets held for lease	6 – 30 years	$	10,061		$	9,509
Land	—		229			233
Buildings, machinery and other	3 – 50 years		1,179			1,146
			11,469			10,888
Accumulated depreciation			(3,439	)		(3,188	)
		$	8,030		$	7,700