Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Summary of Segment Financial Information

A summary of revenues from external customers and other financial information by reportable operating segment is shown below (in millions):

	Year Ended December 31, 2020
	Seating		E-Systems		Other		Consolidated
Revenues from external customers	$	12,712.7	$	4,332.8	$	—	$	17,045.5
Segment earnings (1)	590.5		98.1		(234.5)		454.1
Depreciation and amortization	348.1		176.6		15.2		539.9
Capital expenditures	257.2		179.3		15.8		452.3
Total assets	7,596.1		3,403.3		2,199.2		13,198.6

	Year Ended December 31, 2019
	Seating		E-Systems		Other		Consolidated
Revenues from external customers	$	15,097.2	$	4,713.1	$	—	$	19,810.3
Segment earnings (1)	961.2		366.3		(257.3)		1,070.2
Depreciation and amortization	331.0		163.0		15.9		509.9
Capital expenditures	370.4		213.9		19.6		603.9
Total assets	7,277.6		3,068.1		2,335.0		12,680.7

	Year Ended December 31, 2018
	Seating		E-Systems		Other		Consolidated
Revenues from external customers	$	16,021.9	$	5,126.6	$	—	$	21,148.5
Segment earnings (1)	1,263.6		628.5		(238.0)		1,654.1
Depreciation and amortization	323.5		146.2		14.7		484.4
Capital expenditures	459.8		208.4		8.8		677.0

(1)For a definition of segment earnings, see Note 3 , "Summary of Significant Accounting Policies — Segment Reporting."

Reconciliation of Segment Earnings to Consolidated Income Before Provision for Income Taxes

A reconciliation of segment earnings to consolidated income before provision for income taxes and equity in net income of affiliates is shown below (in millions):

For the year ended December 31,	2020		2019		2018
Segment earnings	$	688.6	$	1,327.5	$	1,892.1
Corporate and regional headquarters and elimination of intercompany activity ("Other")	(234.5)		(257.3)		(238.0)
Consolidated income before interest, other expense, provision for income taxes and equity in net income of affiliates	454.1		1,070.2		1,654.1
Interest expense	99.6		92.0		84.1
Other expense, net	55.2		24.6		31.6
Consolidated income before provision for income taxes and equity in net income of affiliates	$	299.3	$	953.6	$	1,538.4

Revenues From External Customers and Tangible Long-lived Assets by Geographic Area

Revenues from external customers and tangible long-lived assets for each of the geographic areas in which the Company operates is shown below (in millions):

For the year ended December 31,	2020		2019		2018
Revenues from external customers
United States	$	3,599.1	$	3,658.5	$	3,717.7
Mexico	2,528.4		3,058.6		3,236.9
China	2,592.7		2,579.7		2,781.5
Germany	1,288.3		1,698.7		2,187.2
Other countries	7,037.0		8,814.8		9,225.2
Total	$	17,045.5	$	19,810.3	$	21,148.5

December 31,	2020		2019
Tangible long-lived assets (1)
United States	$	534.0	$	549.8
Mexico	689.9		700.1
China	458.2		450.2
Germany	205.8		204.9
Other countries	1,388.6		1,326.2
Total	$	3,276.5	$	3,231.2

(1)Tangible long-lived assets include property, plant and equipment and right-of-use assets.

Summary of Percentage of Revenues from Major Customers

The following is a summary of the percentage of revenues from major customers:

For the year ended December 31,	2020	2019	2018
General Motors	18.7%	18.2%	18.1%
Ford	13.5%	13.8%	15.6%
Daimler	11.9%	11.1%	9.9%
Volkswagen	11.7%	10.9%	9.6%