Other Assets - Narrative (Details) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026 USD ($)	Jun. 30, 2026 USD ($)
Other Assets [Abstract]
Reimbursement for engineering costs in current year		$ 12
Reimbursement for engineering costs in following year	$ 25
Reimbursement for engineering costs expected in year four and beyond	2
Reimbursement for engineering costs expected in year three	2
Reimbursement for engineering costs expected in year two	6
Amount of China bank notes sold	$ 65	$ 65

Amortized cost, before allowance for credit loss, of financing receivable classified as current. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
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