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Contingent Liabilities - Additional Information (Detail) € in Millions, Airbags in Millions, $ in Millions		3 Months Ended
	Oct. 31, 2024 EUR (€)	Mar. 31, 2025 USD ($) Vehicle	Dec. 31, 2020 Vehicle	Dec. 31, 2024 USD ($)	Oct. 31, 2024 USD ($)	Oct. 31, 2024 EUR (€)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Sep. 05, 2023 Airbags
Loss Contingencies [Line Items]
Product liability insurance receivable		$ 71		$ 65			$ 78	$ 96
Insurance receivable related to recall		54
Recall of frontal driver and passenger air bag | Airbags | Airbags									52
Honda Buckle Recall | Damages from Product Defects
Loss Contingencies [Line Items]
Number of vehicles recalled | Vehicle			449,000
Unannounced Recall | Damages from Product Defects
Loss Contingencies [Line Items]
Product liability insurance receivable		12
ZF Inflator Recall | Maximum
Loss Contingencies [Line Items]
Loss Contingency, Range of Possible Loss, Portion Not Accrued		43
ZF Inflator Recall | Minimum
Loss Contingencies [Line Items]
Loss Contingency, Range of Possible Loss, Portion Not Accrued		$ 0
ZF Inflator Recall | Global
Loss Contingencies [Line Items]
Number of vehicles recalled | Vehicle		762,000
ZF Inflator Recall | Damages from Product Defects
Loss Contingencies [Line Items]
Product liability insurance receivable		$ 0
BMW Complaint [Member]
Loss Contingencies [Line Items]
Product liability insurance receivable					$ 0
Claiming damages and interest | €						€ 95
Claiming damages charges | €	€ 63
BMW Complaint [Member] | Maximum
Loss Contingencies [Line Items]
Loss Contingency, Range of Possible Loss, Portion Not Accrued | €						95
BMW Complaint [Member] | Minimum
Loss Contingencies [Line Items]
Loss Contingency, Range of Possible Loss, Portion Not Accrued | €						€ 0

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