Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Total Revenues	$ 1,751	$ 1,758	$ 5,166	$ 5,261
Equipment
Disaggregation of Revenue [Line Items]
Total Revenues	390	387	1,070	1,197
Supplies, paper and other sales
Disaggregation of Revenue [Line Items]
Total Revenues	300	270	879	732
Maintenance agreements
Disaggregation of Revenue [Line Items]
Total Revenues	420	447	1,295	1,330
Service arrangements
Disaggregation of Revenue [Line Items]
Total Revenues	487	493	1,451	1,490
Rental and other
Disaggregation of Revenue [Line Items]
Total Revenues	103	106	315	346
Financing
Disaggregation of Revenue [Line Items]
Total Revenues	51	55	156	166
Sales
Disaggregation of Revenue [Line Items]
Total Revenues	690	657	1,949	1,929
Sales | Direct equipment lease
Disaggregation of Revenue [Line Items]
Total Revenues	146	170	425	506
Sales | Distributors & resellers
Disaggregation of Revenue [Line Items]
Total Revenues	318	283	877	826
Sales | Customer direct
Disaggregation of Revenue [Line Items]
Total Revenues	226	204	647	597
United States
Disaggregation of Revenue [Line Items]
Total Revenues	986	1,012	2,918	3,001
Europe
Disaggregation of Revenue [Line Items]
Total Revenues	470	487	1,403	1,500
Canada
Disaggregation of Revenue [Line Items]
Total Revenues	131	97	381	294
Other
Disaggregation of Revenue [Line Items]
Total Revenues	$ 164	$ 162	$ 464	$ 466