Segment Information - Total Assets (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
Assets
Total assets:	$ 8,644	$ 8,832	$ 8,766
Reportable Segment Totals
Assets
Total assets:	8,194	8,366	8,382
Americas
Assets
Total assets:	5,020	4,853	4,925
Europe
Assets
Total assets:	3,174	3,513	3,457
Other
Assets
Total assets:	$ 450	$ 466	$ 384