Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2019

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):

	2018		2019
Maximum potential payments	$	1,163	$	749
Carrying value of recorded liabilities related to guarantees and limited indemnities	351		233

Warranty [Table Text Block]

The estimate of our future warranty and field service action costs, net of estimated supplier recoveries, for the years ended December 31 was as follows (in millions):

	2018			2019
Beginning balance	$	5,296		$	5,137
Payments made during the period	(4,360		)	(4,561		)
Changes in accrual related to warranties issued during the period	2,584			3,182
Changes in accrual related to pre-existing warranties	1,758			1,941
Foreign currency translation and other	(141		)	3
Ending balance	$	5,137		$	5,702