Finance Receivables - Amortized cost of finance receivables in the Customer portfolio segment by origination year (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Financing Receivable, Credit Quality Indicator
Total	$ 33,099	$ 29,231
Customer
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	10,551	9,790
2024 and 2023, respectively	6,991	6,043
2023 and 2022, respectively	3,841	3,228
2022 and 2021, respectively	1,679	1,768
2021 and 2020, respectively	628	529
Prior	163	218
Revolving Finance Receivables	719	623
Total	24,572	22,199
Customer | Current
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	10,468	9,705
2024 and 2023, respectively	6,844	5,893
2023 and 2022, respectively	3,725	3,122
2022 and 2021, respectively	1,609	1,708
2021 and 2020, respectively	604	508
Prior	156	205
Revolving Finance Receivables	712	618
Total	24,118	21,759
Customer | 31-60 Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	46	45
2024 and 2023, respectively	68	65
2023 and 2022, respectively	42	43
2022 and 2021, respectively	28	24
2021 and 2020, respectively	8	6
Prior	1	3
Revolving Finance Receivables	4	3
Total	197	189
Customer | 61-90 Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	18	14
2024 and 2023, respectively	24	22
2023 and 2022, respectively	16	14
2022 and 2021, respectively	10	8
2021 and 2020, respectively	4	3
Prior	1	1
Revolving Finance Receivables	2	1
Total	75	63
Customer | 91+ Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	19	26
2024 and 2023, respectively	55	63
2023 and 2022, respectively	58	49
2022 and 2021, respectively	32	28
2021 and 2020, respectively	12	12
Prior	5	9
Revolving Finance Receivables	1	1
Total	182	188
Customer | North America | Current
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	5,531	5,340
2024 and 2023, respectively	3,634	3,035
2023 and 2022, respectively	1,845	1,567
2022 and 2021, respectively	743	980
2021 and 2020, respectively	318	244
Prior	20	23
Revolving Finance Receivables	510	385
Total	12,601	11,574
Customer | North America | 31-60 Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	30	30
2024 and 2023, respectively	42	42
2023 and 2022, respectively	28	29
2022 and 2021, respectively	18	18
2021 and 2020, respectively	6	5
Prior	1	1
Revolving Finance Receivables	4	3
Total	129	128
Customer | North America | 61-90 Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	11	9
2024 and 2023, respectively	14	14
2023 and 2022, respectively	10	10
2022 and 2021, respectively	5	6
2021 and 2020, respectively	3	2
Prior	0	1
Revolving Finance Receivables	2	1
Total	45	43
Customer | North America | 91+ Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	11	13
2024 and 2023, respectively	34	37
2023 and 2022, respectively	29	26
2022 and 2021, respectively	20	16
2021 and 2020, respectively	8	6
Prior	3	2
Revolving Finance Receivables	1	1
Total	106	101
Customer | EAME | Current
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	1,560	1,244
2024 and 2023, respectively	938	874
2023 and 2022, respectively	614	532
2022 and 2021, respectively	316	285
2021 and 2020, respectively	114	92
Prior	44	72
Revolving Finance Receivables	0	0
Total	3,586	3,099
Customer | EAME | 31-60 Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	5	7
2024 and 2023, respectively	12	10
2023 and 2022, respectively	6	4
2022 and 2021, respectively	6	3
2021 and 2020, respectively	2	1
Prior	0	0
Revolving Finance Receivables	0	0
Total	31	25
Customer | EAME | 61-90 Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	3	3
2024 and 2023, respectively	5	4
2023 and 2022, respectively	3	1
2022 and 2021, respectively	2	1
2021 and 2020, respectively	1	1
Prior	0	0
Revolving Finance Receivables	0	0
Total	14	10
Customer | EAME | 91+ Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	5	3
2024 and 2023, respectively	9	14
2023 and 2022, respectively	12	8
2022 and 2021, respectively	6	6
2021 and 2020, respectively	3	4
Prior	2	1
Revolving Finance Receivables	0	0
Total	37	36
Customer | Asia/Pacific | Current
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	1,175	1,064
2024 and 2023, respectively	691	662
2023 and 2022, respectively	380	313
2022 and 2021, respectively	137	126
2021 and 2020, respectively	42	31
Prior	3	4
Revolving Finance Receivables	50	46
Total	2,478	2,246
Customer | Asia/Pacific | 31-60 Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	5	4
2024 and 2023, respectively	8	6
2023 and 2022, respectively	3	5
2022 and 2021, respectively	1	2
2021 and 2020, respectively	0	0
Prior	0	0
Revolving Finance Receivables	0	0
Total	17	17
Customer | Asia/Pacific | 61-90 Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	2	1
2024 and 2023, respectively	3	1
2023 and 2022, respectively	1	2
2022 and 2021, respectively	2	1
2021 and 2020, respectively	0	0
Prior	0	0
Revolving Finance Receivables	0	0
Total	8	5
Customer | Asia/Pacific | 91+ Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	1	4
2024 and 2023, respectively	1	1
2023 and 2022, respectively	2	2
2022 and 2021, respectively	2	1
2021 and 2020, respectively	0	1
Prior	0	0
Revolving Finance Receivables	0	0
Total	6	9
Customer | Latin America | Current
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	984	800
2024 and 2023, respectively	511	363
2023 and 2022, respectively	212	220
2022 and 2021, respectively	96	60
2021 and 2020, respectively	15	8
Prior	1	2
Revolving Finance Receivables	4	0
Total	1,823	1,453
Customer | Latin America | 31-60 Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	3	4
2024 and 2023, respectively	6	6
2023 and 2022, respectively	5	5
2022 and 2021, respectively	3	1
2021 and 2020, respectively	0	0
Prior	0	2
Revolving Finance Receivables	0	0
Total	17	18
Customer | Latin America | 61-90 Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	2	1
2024 and 2023, respectively	2	2
2023 and 2022, respectively	2	1
2022 and 2021, respectively	1	0
2021 and 2020, respectively	0	0
Prior	1	0
Revolving Finance Receivables	0	0
Total	8	4
Customer | Latin America | 91+ Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	1	2
2024 and 2023, respectively	10	6
2023 and 2022, respectively	7	8
2022 and 2021, respectively	4	4
2021 and 2020, respectively	1	1
Prior	0	1
Revolving Finance Receivables	0	0
Total	23	22
Customer | Mining | Current
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	946	1,067
2024 and 2023, respectively	806	775
2023 and 2022, respectively	495	450
2022 and 2021, respectively	280	214
2021 and 2020, respectively	107	69
Prior	51	41
Revolving Finance Receivables	0	21
Total	2,685	2,637
Customer | Mining | 31-60 Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	3	0
2024 and 2023, respectively	0	1
2023 and 2022, respectively	0	0
2022 and 2021, respectively	0	0
2021 and 2020, respectively	0	0
Prior	0	0
Revolving Finance Receivables	0	0
Total	3	1
Customer | Mining | 61-90 Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	0	0
2024 and 2023, respectively	0	1
2023 and 2022, respectively	0	0
2022 and 2021, respectively	0	0
2021 and 2020, respectively	0	0
Prior	0	0
Revolving Finance Receivables	0	0
Total	0	1
Customer | Mining | 91+ Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	1	4
2024 and 2023, respectively	1	5
2023 and 2022, respectively	8	5
2022 and 2021, respectively	0	1
2021 and 2020, respectively	0	0
Prior	0	3
Revolving Finance Receivables	0	0
Total	10	18
Customer | Power | Current
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	272	190
2024 and 2023, respectively	264	184
2023 and 2022, respectively	179	40
2022 and 2021, respectively	37	43
2021 and 2020, respectively	8	64
Prior	37	63
Revolving Finance Receivables	148	166
Total	945	750
Customer | Power | 31-60 Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	0	0
2024 and 2023, respectively	0	0
2023 and 2022, respectively	0	0
2022 and 2021, respectively	0	0
2021 and 2020, respectively	0	0
Prior	0	0
Revolving Finance Receivables	0	0
Total	0	0
Customer | Power | 61-90 Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	0	0
2024 and 2023, respectively	0	0
2023 and 2022, respectively	0	0
2022 and 2021, respectively	0	0
2021 and 2020, respectively	0	0
Prior	0	0
Revolving Finance Receivables	0	0
Total	0	0
Customer | Power | 91+ Days Past Due
Financing Receivable, Credit Quality Indicator
2025 and 2024, respectively	0	0
2024 and 2023, respectively	0	0
2023 and 2022, respectively	0	0
2022 and 2021, respectively	0	0
2021 and 2020, respectively	0	0
Prior	0	2
Revolving Finance Receivables	0	0
Total	$ 0	$ 2