Borrowings - Short-Term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Short-term debt disclosures
Short-term loans	$ 13	$ 8
Long-term debt - current maturities	6,400	4,751
Total	$ 6,414	$ 4,760
Loans Payable
Short-term debt disclosures
Weighted-average interest rates for short-term debt (as a percent)	1.80%	7.60%