Finance Receivables - Write-offs by Origination Year (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Write-offs by origination year [Line Items]
Total	$ 46	$ 27	$ 88	$ 57
Customer
Write-offs by origination year [Line Items]
Year One	0	0	0	0
Year Two	10	5	22	11
Year Three	11	10	23	19
Year Four	11	5	20	12
Year Five	7	3	10	6
Prior	4	2	7	5
Revolving Finance Receivables	3	2	6	4
Total	46	27	88	57
Customer | North America
Write-offs by origination year [Line Items]
Year One	0	0	0	0
Year Two	5	3	9	5
Year Three	7	6	14	11
Year Four	7	2	13	6
Year Five	4	2	6	4
Prior	3	2	5	3
Revolving Finance Receivables	3	2	6	4
Total	29	17	53	33
Customer | EAME
Write-offs by origination year [Line Items]
Year One	0	0	0	0
Year Two	2	1	3	2
Year Three	1	2	2	3
Year Four	1	0	2	1
Year Five	1	1	1	1
Prior	0	0	1	0
Revolving Finance Receivables	0	0	0	0
Total	5	4	9	7
Customer | Asia/Pacific
Write-offs by origination year [Line Items]
Year One	0	0	0	0
Year Two	1	1	4	1
Year Three	1	1	3	2
Year Four	1	1	1	1
Year Five	1	0	1	1
Prior	0	0	0	0
Revolving Finance Receivables	0	0	0	0
Total	4	3	9	5
Customer | Latin America
Write-offs by origination year [Line Items]
Year One	0	0	0	0
Year Two	2	0	3	0
Year Three	2	1	4	2
Year Four	2	2	4	3
Year Five	1	0	2	0
Prior	1	0	1	1
Revolving Finance Receivables	0	0	0	0
Total	8	3	14	6
Customer | Mining
Write-offs by origination year [Line Items]
Year One			0	0
Year Two			3	3
Year Three			0	1
Year Four			0	1
Year Five			0	0
Prior			0	0
Revolving Finance Receivables			0	0
Total			3	5
Customer | Power
Write-offs by origination year [Line Items]
Year One				0
Year Two				0
Year Three				0
Year Four				0
Year Five				0
Prior				1
Revolving Finance Receivables				0
Total				1
Dealer
Write-offs by origination year [Line Items]
Total	$ 0	$ 0	$ 0	$ 0