Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2015

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 were as follows (in millions):

	March 31, 2015		December 31, 2014
Maximum potential payments	$	595	$	592
Carrying value of recorded liabilities related to guarantees and limited indemnities	17		17

Warranty [Table Text Block]

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

	First Quarter
	2015			2014
Beginning balance	$	4,785		$	3,927
Payments made during the period	(576		)	(578		)
Changes in accrual related to warranties issued during the period	463			502
Changes in accrual related to pre-existing warranties	173			456
Foreign currency translation and other	(145		)	(8		)
Ending balance	$	4,700		$	4,299