Other Assets - Narrative (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020
Other Assets [Abstract]
Amount of China bank notes sold	$ 114	$ 104
Reimbursement for engineering costs in current year	10
Reimbursement for engineering costs in following year	31
Reimbursement for engineering costs expected in year two	18
Reimbursement for engineering costs expected in year three	6
Reimbursement for engineering costs expected in year four and beyond	$ 4

Amount, before allowance for credit loss, of financing receivable, classified as current.

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