Guarantees and Product Warranty (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Guarantor Obligations
Related liability	$ 5	$ 2
SPC assets in consolidated statement	85,427	81,943
SPC liabilities in consolidated statement	67,171	66,052
Variable Interest Entity, Primary Beneficiary
Guarantor Obligations
SPC assets in consolidated statement	1,240	971
SPC liabilities in consolidated statement	$ 1,240	$ 970