Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2022

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 March 31 was as follows (in millions):

	First Quarter
	2021		2022
Beginning balance	$	8,172	$	8,451
Payments made during the period	(1,086)		(984)
Changes in accrual related to warranties issued during the period	1,000		793
Changes in accrual related to pre-existing warranties	(141)		21
Foreign currency translation and other	(40)		38
Ending balance	$	7,905	$	8,319