Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flows from Operating Activities:
Consolidated net income	$ 461.6	$ 233.9	$ 830.7
Adjustments to reconcile consolidated net income to net cash provided by operating activities –
Equity in net income of affiliates	(15.8)	(28.5)	(23.2)
Loss on extinguishment of debt	24.6	21.1	10.6
Impairment charges	20.1	31.9	14.5
Deferred tax benefit	(55.5)	(84.7)	(38.2)
Depreciation and amortization	573.9	539.9	509.9
Stock-based compensation	60.3	40.0	23.3
Net change in recoverable customer engineering, development and tooling	(29.1)	(47.0)	(32.4)
Net change in working capital items (see below)	(351.0)	(66.9)	(25.5)
Changes in other long-term assets	(35.7)	(26.5)	(10.1)
Changes in other long-term liabilities	(6.5)	8.3	5.0
Other, net	23.2	41.6	19.7
Net cash provided by operating activities	670.1	663.1	1,284.3
Cash Flows from Investing Activities:
Additions to property, plant and equipment	(585.1)	(452.3)	(603.9)
Acquisition of Xevo, net of cash acquired	0.0	0.0	(321.7)
Other, net	(61.6)	(16.5)	3.2
Net cash used in investing activities	(646.7)	(468.8)	(922.4)
Cash Flows from Financing Activities:
Proceeds from the issuance of senior notes	698.7	669.1	693.3
Redemption of senior notes	(221.5)	(667.1)	(333.7)
Revolving credit facility borrowings	0.0	1,000.0	0.0
Revolving credit facility repayments	0.0	(1,000.0)	0.0
Term loan repayments	(220.3)	(14.1)	(7.8)
Short-term borrowings (repayments), net	0.0	(19.3)	9.5
Payment of debt issuance and other financing costs	(9.9)	(7.0)	(6.5)
Repurchase of common stock	(100.3)	(70.0)	(384.7)
Dividends paid to Lear Corporation stockholders	(106.7)	(67.3)	(186.3)
Dividends paid to noncontrolling interests	(81.1)	(123.3)	(78.9)
Other, net	27.5	(112.7)	(66.8)
Net cash used in financing activities	(13.6)	(411.7)	(361.9)
Effect of foreign currency translation	(3.0)	21.5	(9.4)
Net Change in Cash, Cash Equivalents and Restricted Cash	6.8	(195.9)	(9.4)
Cash, Cash Equivalents and Restricted Cash as of Beginning of Period	1,314.5	1,510.4	1,519.8
Cash, Cash Equivalents and Restricted Cash as of End of Period	1,321.3	1,314.5	1,510.4
Changes in Working Capital Items:
Accounts receivable	160.9	(164.7)	(116.2)
Inventories	(213.4)	(107.7)	(69.1)
Accounts payable	(129.6)	214.0	(5.5)
Accrued liabilities and other	(168.9)	(8.5)	165.3
Net change in working capital items	(351.0)	(66.9)	(25.5)
Supplementary Disclosure:
Cash paid for interest	91.6	117.8	104.4
Cash paid for income taxes, net of refunds received of $40.7 million in 2021, $32.5 million in 2020 and $69.4 million in 2019	$ 148.3	$ 141.5	$ 172.1