Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Lease Payments for Capital and Operating Leases [Table Text Block]

Future minimum lease payments as of December 31, 2014, are summarized as follows (in millions):

December 31,	Capital Leases			Operating Leases		a
2015	$	116		$	562
2016	194			562
2017	76			507
2018	73			449
2019	71			421
Thereafter	430			1,882
Total	960			$	4,383
Less amount representing interest	(215		)
Present value of minimum lease payments	$	745

^a Excludes leases having non-cancelable lease terms of less than one year and per diem leases.

Schedule of Loss Contingencies by Contingency

The following table summarizes the activity in the Company’s accrued obligations for asbestos and other personal injury matters (in millions):

	Year Ended			Year Ended			Year Ended
	December 31, 2014			December 31, 2013			December 31, 2012
Beginning balance	$	387		$	462		$	540
Accruals	61			21			58
Payments	(73		)	(96		)	(136		)
Ending balance	$	375		$	387		$	462

Accrued Obligations for Environmental Matters

The following table summarizes the activity in the Company’s accrued obligations for environmental matters (in millions):

	Year Ended			Year Ended			Year Ended
	December 31, 2014			December 31, 2013			December 31, 2012
Beginning balance	$	435		$	458		$	570
Accruals	13			19			(17		)
Payments	(44		)	(42		)	(95		)
Ending balance	$	404		$	435		$	458