Short-Term Borrowings, Long-Term Debt and Available Credit Facilities Short-term borrowings and finance lease obligations (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Short-term Debt [Line Items]
Long-term Debt Payable within one year	$ 0	$ 196	$ 49
Finance Lease, Liability, Current	1	1	1
Short-term borrowings and finance lease obligations	2,148	198	3,787
Commercial Paper [Member]
Short-term Debt [Line Items]
Short-term borrowings	1,981	0	2,680
Other loans - various currencies [Member]
Short-term Debt [Line Items]
Short-term borrowings	166	1	57
364-day Revolving Credit Facilities due 2023 | Securities Sold under Agreements to Repurchase [Member]
Short-term Debt [Line Items]
Short-term borrowings	$ 0	$ 0	$ 1,000