Credit commitments - Summary of Credit Commitments (Details) $ in Millions	Dec. 31, 2024 USD ($)
Credit commitments
Credit lines available	$ 14,562
Less: Commercial paper outstanding	(3,946)
Less: Utilized credit	(687)
Available credit	9,929
Machinery, Energy & Transportation
Credit commitments
Credit lines available	3,360
Less: Commercial paper outstanding	0
Less: Utilized credit	0
Available credit	3,360
Financial Products
Credit commitments
Credit lines available	11,202
Less: Commercial paper outstanding	(3,946)
Less: Utilized credit	(687)
Available credit	6,569
Global credit facilities
Credit commitments
Credit lines available	10,500
Less: Utilized credit	0
Global credit facilities \| Machinery, Energy & Transportation
Credit commitments
Credit lines available	2,750
Global credit facilities \| Financial Products
Credit commitments
Credit lines available	7,750
Other external
Credit commitments
Credit lines available	4,062
Other external \| Machinery, Energy & Transportation
Credit commitments
Credit lines available	610
Other external \| Financial Products
Credit commitments
Credit lines available	$ 3,452

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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