Short-Term Borrowings, Long-Term Debt and Available Credit Facilities Short-term borrowings and finance lease obligations (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Short-term Debt [Line Items]
Long-term Debt Payable within one year	$ 188	$ 0	$ 0
Finance Lease, Liability, Current	1	1	1
Short-term borrowings and finance lease obligations	3,609	24	1,576
Commercial Paper [Member]
Short-term Debt [Line Items]
Short-term borrowings	3,417	0	1,369
Other loans - various currencies [Member]
Short-term Debt [Line Items]
Short-term borrowings	3	23	6
364-day Revolving Credit Facilities due 2023 | Securities Sold under Agreements to Repurchase [Member]
Short-term Debt [Line Items]
Short-term borrowings	$ 0	$ 0	$ 200