Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2021

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 June 30 was as follows (in millions):

	First Half
	2020		2021
Beginning balance	$	5,702	$	8,172
Payments made during the period	(1,945)		(2,169)
Changes in accrual related to warranties issued during the period	1,253		1,933
Changes in accrual related to pre-existing warranties	1,183		80
Foreign currency translation and other	(112)		(5)
Ending balance	$	6,081	$	8,011