Cat Financial Financing Activities - Financing Receivable, Modified (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Weighted average extension to term of modified contracts
Finance Receivables
Financing receivables, modified	13 months	7 months
Weighted average payment deferral and/or interest only periods
Finance Receivables
Financing receivables, modified	6 months	8 months
Customer
Finance Receivables
Amortized cost of finance receivables modified	$ 11	$ 6
Modifications as a percentage of Customer portfolio	0.05%	0.03%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Percentage of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables.

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Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty.

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- Definition

Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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