Revenue Recognition (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 19,263.1	$ 17,045.5	$ 19,810.3
North America
Disaggregation of Revenue [Line Items]
Revenues	7,548.2	6,630.5	7,365.5
Europe and Africa
Disaggregation of Revenue [Line Items]
Revenues	6,745.3	6,240.3	7,785.5
Asia
Disaggregation of Revenue [Line Items]
Revenues	4,227.9	3,655.3	3,968.3
South America
Disaggregation of Revenue [Line Items]
Revenues	741.7	519.4	691.0
Seating
Disaggregation of Revenue [Line Items]
Revenues	14,411.4	12,712.7	15,097.2
Seating | North America
Disaggregation of Revenue [Line Items]
Revenues	6,277.2	5,545.7	6,265.2
Seating | Europe and Africa
Disaggregation of Revenue [Line Items]
Revenues	4,805.5	4,371.4	5,620.2
Seating | Asia
Disaggregation of Revenue [Line Items]
Revenues	2,759.9	2,418.7	2,710.7
Seating | South America
Disaggregation of Revenue [Line Items]
Revenues	568.8	376.9	501.1
E-Systems
Disaggregation of Revenue [Line Items]
Revenues	4,851.7	4,332.8	4,713.1
E-Systems | North America
Disaggregation of Revenue [Line Items]
Revenues	1,271.0	1,084.8	1,100.3
E-Systems | Europe and Africa
Disaggregation of Revenue [Line Items]
Revenues	1,939.8	1,868.9	2,165.3
E-Systems | Asia
Disaggregation of Revenue [Line Items]
Revenues	1,468.0	1,236.6	1,257.6
E-Systems | South America
Disaggregation of Revenue [Line Items]
Revenues	$ 172.9	$ 142.5	$ 189.9