Financing Receivables - Credit Quality Year of Origination (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Amortized cost for each class of receivables, by credit quality indicator
Total Amortized Cost	$ 12,413	$ 18,242
Americas \| Aaa - Baa3
Amortized cost for each class of receivables, by credit quality indicator
Originated in Current Fiscal Year	1,667	2,818
Originated in Fiscal Year before Latest Fiscal Year	1,177	988
Originated Two Years before Latest Fiscal Year	657	829
Originated Three Years before Latest Fiscal Year	420	285
Originated Four Years before Latest Fiscal Year	137	90
Originated Five or More Years before Latest Fiscal Year	25	28
Total Amortized Cost	4,083	5,038
Americas \| Ba1 - D
Amortized cost for each class of receivables, by credit quality indicator
Originated in Current Fiscal Year	858	1,449
Originated in Fiscal Year before Latest Fiscal Year	481	623
Originated Two Years before Latest Fiscal Year	282	360
Originated Three Years before Latest Fiscal Year	146	154
Originated Four Years before Latest Fiscal Year	59	52
Originated Five or More Years before Latest Fiscal Year	57	81
Total Amortized Cost	1,883	2,720
EMEA \| Aaa - Baa3
Amortized cost for each class of receivables, by credit quality indicator
Originated in Current Fiscal Year	746	1,513
Originated in Fiscal Year before Latest Fiscal Year	663	668
Originated Two Years before Latest Fiscal Year	335	329
Originated Three Years before Latest Fiscal Year	229	70
Originated Four Years before Latest Fiscal Year	23	33
Originated Five or More Years before Latest Fiscal Year	23	22
Total Amortized Cost	2,020	2,635
EMEA \| Ba1 - D
Amortized cost for each class of receivables, by credit quality indicator
Originated in Current Fiscal Year	614	1,427
Originated in Fiscal Year before Latest Fiscal Year	427	519
Originated Two Years before Latest Fiscal Year	341	245
Originated Three Years before Latest Fiscal Year	108	128
Originated Four Years before Latest Fiscal Year	62	46
Originated Five or More Years before Latest Fiscal Year	42	22
Total Amortized Cost	1,595	2,387
Asia Pacific \| Aaa - Baa3
Amortized cost for each class of receivables, by credit quality indicator
Originated in Current Fiscal Year	498	958
Originated in Fiscal Year before Latest Fiscal Year	411	564
Originated Two Years before Latest Fiscal Year	335	419
Originated Three Years before Latest Fiscal Year	245	205
Originated Four Years before Latest Fiscal Year	100	114
Originated Five or More Years before Latest Fiscal Year	57	38
Total Amortized Cost	1,647	2,298
Asia Pacific \| Ba1 - D
Amortized cost for each class of receivables, by credit quality indicator
Originated in Current Fiscal Year	174	351
Originated in Fiscal Year before Latest Fiscal Year	102	123
Originated Two Years before Latest Fiscal Year	60	167
Originated Three Years before Latest Fiscal Year	74	52
Originated Four Years before Latest Fiscal Year	23	33
Originated Five or More Years before Latest Fiscal Year	24	18
Total Amortized Cost	$ 458	$ 743

Amount of financing receivable originated more than five years prior to current fiscal year.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
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Amount of financing receivable originated four years prior to current fiscal year.

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Amount of financing receivable originated in current fiscal year.

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Amount of financing receivable originated in fiscal year prior to current fiscal year.

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Amount of financing receivable originated three years prior to current fiscal year.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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