Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2020

Commitments and Contingencies Disclosure [Abstract]

Warranty [Table Text Block]

The estimate of our future warranty and field service action costs, net of estimated supplier recoveries, for the periods ended September 30 was as follows (in millions):

	First Nine Months
	2019		2020
Beginning balance	$	5,137	$	5,702
Payments made during the period	(3,395)		(2,913)
Changes in accrual related to warranties issued during the period	2,180		2,419
Changes in accrual related to pre-existing warranties	1,355		1,451
Foreign currency translation and other	(57)		(75)
Ending balance	$	5,220	$	6,584