Cat Financial Financing Activities - Write Offs (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Write-offs by origination year
Total	$ 30	$ 70
Customer
Write-offs by origination year
2025/2024	0	0
2024/2023	6	5
2023/2022	9	8
2022/2021	7	5
2021/2020	3	2
Prior	3	0
Revolving Finance Receivables	2	3
Total	30	23
Customer \| North America
Write-offs by origination year
2025/2024	0	0
2024/2023	2	3
2023/2022	5	4
2022/2021	4	2
2021/2020	2	1
Prior	1	0
Revolving Finance Receivables	2	3
Total	16	13
Customer \| EAME
Write-offs by origination year
2025/2024	0	0
2024/2023	1	1
2023/2022	1	1
2022/2021	1	1
2021/2020	0	0
Prior	0	0
Revolving Finance Receivables	0	0
Total	3	3
Customer \| Asia/ Pacific
Write-offs by origination year
2025/2024	0	0
2024/2023	0	1
2023/2022	1	2
2022/2021	0	1
2021/2020	1	1
Prior	0	0
Revolving Finance Receivables	0	0
Total	2	5
Customer \| Latin America
Write-offs by origination year
2025/2024	0	0
2024/2023	0	0
2023/2022	1	1
2022/2021	1	1
2021/2020	0	0
Prior	1	0
Revolving Finance Receivables	0	0
Total	3	2
Customer \| Mining
Write-offs by origination year
2025/2024	0
2024/2023	3
2023/2022	1
2022/2021	1
2021/2020	0
Prior	0
Revolving Finance Receivables	0
Total	5
Customer \| Power
Write-offs by origination year
2025/2024	0
2024/2023	0
2023/2022	0
2022/2021	0
2021/2020	0
Prior	1
Revolving Finance Receivables	0
Total	1
Dealer
Write-offs by origination year
Total	0	47
Dealer \| Latin America
Write-offs by origination year
Total	$ 0	$ 47

Write-offs by origination year [Line Items]

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- Definition

Amount of writeoff of financing receivable, charged against allowance for credit loss.

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- Definition

Amount of writeoff of financing receivable originated more than five years before current fiscal year. Excludes net investment in lease.

+ References

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Amount of writeoff of financing receivable that can be withdrawn, repaid, and redrawn.

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- Definition

Amount of writeoff of financing receivable originated four years before current fiscal year. Excludes net investment in lease.

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- Definition

Amount of writeoff of financing receivable originated three years before current fiscal year. Excludes net investment in lease.

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Amount of writeoff of financing receivable originated in current fiscal year. Excludes net investment in lease.

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Amount of writeoff of financing receivable originated two years before current fiscal year. Excludes net investment in lease.

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Amount of writeoff of financing receivable originated in fiscal year before current fiscal year. Excludes net investment in lease.

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