Financing Receivables - Credit Quality Year of Origination (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Amortized cost for each class of receivables, by credit quality indicator
Total Amortized Cost	$ 14,980	$ 18,242
Americas \| Aaa - Baa3
Amortized cost for each class of receivables, by credit quality indicator
Originated in Current Fiscal Year	808	2,818
Originated in Fiscal Year before Latest Fiscal Year	1,966	988
Originated Two Years before Latest Fiscal Year	871	829
Originated Three Years before Latest Fiscal Year	666	285
Financing Receivable, Originated Four Years before Latest Fiscal Year	206	90
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	56	28
Total Amortized Cost	4,573	5,038
Americas \| Ba1 - D
Amortized cost for each class of receivables, by credit quality indicator
Originated in Current Fiscal Year	421	1,449
Originated in Fiscal Year before Latest Fiscal Year	923	623
Originated Two Years before Latest Fiscal Year	457	360
Originated Three Years before Latest Fiscal Year	283	154
Financing Receivable, Originated Four Years before Latest Fiscal Year	117	52
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	92	81
Total Amortized Cost	2,294	2,720
EMEA \| Aaa - Baa3
Amortized cost for each class of receivables, by credit quality indicator
Originated in Current Fiscal Year	310	1,513
Originated in Fiscal Year before Latest Fiscal Year	1,086	668
Originated Two Years before Latest Fiscal Year	471	329
Originated Three Years before Latest Fiscal Year	311	70
Financing Receivable, Originated Four Years before Latest Fiscal Year	43	33
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	34	22
Total Amortized Cost	2,254	2,635
EMEA \| Ba1 - D
Amortized cost for each class of receivables, by credit quality indicator
Originated in Current Fiscal Year	349	1,427
Originated in Fiscal Year before Latest Fiscal Year	887	519
Originated Two Years before Latest Fiscal Year	431	245
Originated Three Years before Latest Fiscal Year	166	128
Financing Receivable, Originated Four Years before Latest Fiscal Year	103	46
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	53	22
Total Amortized Cost	1,989	2,387
Asia Pacific \| Aaa - Baa3
Amortized cost for each class of receivables, by credit quality indicator
Originated in Current Fiscal Year	253	958
Originated in Fiscal Year before Latest Fiscal Year	721	564
Originated Two Years before Latest Fiscal Year	499	419
Originated Three Years before Latest Fiscal Year	365	205
Financing Receivable, Originated Four Years before Latest Fiscal Year	165	114
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	109	38
Total Amortized Cost	2,111	2,298
Asia Pacific \| Ba1 - D
Amortized cost for each class of receivables, by credit quality indicator
Originated in Current Fiscal Year	105	351
Originated in Fiscal Year before Latest Fiscal Year	230	123
Originated Two Years before Latest Fiscal Year	94	167
Originated Three Years before Latest Fiscal Year	133	52
Financing Receivable, Originated Four Years before Latest Fiscal Year	40	33
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	36	18
Total Amortized Cost	$ 639	$ 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
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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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