Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Guarantee obligations [Table Text Block]

The maximum potential payments and the carrying value of recorded liabilities related to guarantees and limited indemnities at December 31 were as follows (in millions):

	2014		2013
Maximum potential payments	$	592	$	659
Carrying value of recorded liabilities related to guarantees and limited indemnities	17		5

Warranty [Table Text Block]

Warranty and field service actions obligations accounted for in Other liabilities and deferred revenue for the years ended December 31 were as follows (in millions):

	2014			2013
Beginning balance	$	3,927		$	3,656
Payments made during the period	(2,850		)	(2,302		)
Changes in accrual related to warranties issued during the period	2,108			2,025
Changes in accrual related to pre-existing warranties	1,746			625
Foreign currency translation and other	(145		)	(77		)
Ending balance	$	4,786		$	3,927