Finance Receivables, Net - Finance Receivables Aging Schedule (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	$ 3,188	$ 3,298
Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	98	103
Unbilled
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	3,090	3,195
United States
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	1,876	1,823
United States | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	79	76
United States | Unbilled
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	1,797	1,747
Canada
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	251	297
Canada | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	7	10
Canada | Unbilled
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	244	287
Total Europe
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	1,061	1,178
Total Europe | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	12	17
Total Europe | Unbilled
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	1,049	1,161
Current | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	71	74
Current | United States | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	56	54
Current | Canada | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	6	8
Current | Total Europe | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	9	12
31-90 Days Past Due | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	15	15
31-90 Days Past Due | United States | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	12	10
31-90 Days Past Due | Canada | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	1	2
31-90 Days Past Due | Total Europe | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	2	3
>90 Days Past Due | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	12	14
>90 Days Past Due | United States | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	11	12
>90 Days Past Due | Canada | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	0	0
>90 Days Past Due | Total Europe | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	1	2
>90 Days and Accruing
Financing Receivable, Past Due [Line Items]
Financing receivable, 90 days or more past due, still accruing	83	109
>90 Days and Accruing | United States
Financing Receivable, Past Due [Line Items]
Financing receivable, 90 days or more past due, still accruing	61	74
>90 Days and Accruing | Canada
Financing Receivable, Past Due [Line Items]
Financing receivable, 90 days or more past due, still accruing	9	12
>90 Days and Accruing | Total Europe
Financing Receivable, Past Due [Line Items]
Financing receivable, 90 days or more past due, still accruing	13	23
Direct
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	867	967
Direct | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	42	48
Direct | Unbilled
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	825	919
Direct | United States
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	867	967
Direct | Current | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	28	33
Direct | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	7	6
Direct | >90 Days Past Due | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	7	9
Direct | >90 Days and Accruing
Financing Receivable, Past Due [Line Items]
Financing receivable, 90 days or more past due, still accruing	61	74
Indirect
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	1,009	856
Indirect | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	37	28
Indirect | Unbilled
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	972	828
Indirect | United States
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	1,009	856
Indirect | Current | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	28	21
Indirect | 31-90 Days Past Due | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	5	4
Indirect | >90 Days Past Due | Billed Revenues
Financing Receivable, Past Due [Line Items]
Total Finance Receivables	4	3
Indirect | >90 Days and Accruing
Financing Receivable, Past Due [Line Items]
Financing receivable, 90 days or more past due, still accruing	$ 0	$ 0