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

9 Months Ended

Sep. 30, 2015

Insurance and Other [Member]

Schedule of property, plant and equipment

Property, plant and equipment of our insurance and other businesses is summarized below (in millions).

	Range of   estimated useful life	September 30,  2015			December 31,  2014
Land	—		$   1,614			$   1,171
Buildings and improvements	2 – 40 years		7,250			6,600
Machinery and equipment	3 – 25 years		16,673			16,413
Furniture, fixtures and other	2 – 18 years		3,812			3,136
			29,349			27,320
Accumulated depreciation			(13,884	)		(13,167	)
			$  15,465			$  14,153

Railroad, Utilities and Energy [Member]

Schedule of property, plant and equipment

Property, plant and equipment of our railroad and our utilities and energy businesses is summarized below (in millions).

	Range of   estimated useful life	September 30,   2015		December 31,   2014
Railroad:
Land	—		$      6,031		$      5,983
Track structure and other roadway	7 – 100 years		44,902		42,588
Locomotives, freight cars and other equipment	6 – 40 years		10,866		9,493
Construction in progress	—		1,257		1,292
Utilities and energy:
Utility generation, distribution and transmission system	5 – 80 years		67,044		64,645
Interstate pipeline assets	3 – 80 years		6,761		6,660
Independent power plants and other assets	3 – 30 years		5,574		5,035
Construction in progress	—		4,160		5,194
			146,595		140,890
Accumulated depreciation			(28,018)		(25,836)
			$  118,577		$  115,054

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).

	Range of estimated useful life	September 30,    2015			December 31,   2014
Assets held for lease	5 – 30 years		$   11,222			$    9,810
Land	—		221			227
Buildings, machinery and other	3 – 50 years		1,170			1,179
			12,613			11,216
Accumulated depreciation			(3,322	)		(3,179	)
			$     9,291			$    8,037