XML 86 R74.htm IDEA: XBRL DOCUMENT
v3.20.2

Comprehensive Income (Loss) and Equity - Narrative (Details) $ / shares in Units, ¥ in Millions | 3 Months Ended | 9 Months Ended | 117 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2020 CNY (¥) | Oct. 03, 2020 USD ($) | Apr. 04, 2020 $ / shares | Sep. 28, 2019 USD ($) $ / shares | Oct. 03, 2020 USD ($) $ / shares | Sep. 28, 2019 USD ($) $ / shares | Oct. 03, 2020 USD ($) $ / shares | Jul. 04, 2020 | Apr. 02, 2011 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |
Foreign currency translation adjustments related to intercompany transactions (gains) losses |  |  | $ (500,000) |  | $ 300,000 | $ 500,000 | $ 200,000 |  |  |
Aggregate purchases authorized under common stock share repurchase program |  |  |  |  |  |  |  |  |  | $ 6,100,000,000
Aggregate Repurchases |  |  |  |  | $ 75,900,000 | $ 70,000,000.0 | $ 355,400,000 | $ 4,700,000,000 |  |
Average price (in dollars per share) | $ / shares |  |  |  |  | $ 123.06 | $ 109.22 | $ 136.48 | $ 90.07 |  |
Cash dividends declared per share | $ / shares |  |  |  | $ 0.77 | $ 0.75 | $ 0.77 | $ 2.25 |  |  |
Shanghai Lear STEC Automotive Parts Co., Ltd |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |
Ownership percentage by noncontrolling owners |  |  |  |  |  |  |  |  | 45.00% |
Forecast |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of undistributed retained earnings to be paid at closing | 50.00% | 50.00% |  |  |  |  |  |  |  |
Forecast | Shanghai Lear STEC Automotive Parts Co., Ltd |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |
Payments for repurchase of redeemable noncontrolling interest | $ 92,200,000 | ¥ 626.0 |  |  |  |  |  |  |  |
Forecast | Shanghai Lear STEC Automotive Parts Co., Ltd | Retained Earnings |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |
Payments for repurchase of redeemable noncontrolling interest | $ 25,800,000 | ¥ 175.5 |  |  |  |  |  |  |  |

X
- Definition Percentage To Be Paid At Closing For Redeemable Noncontrolling Interest Transaction + References No definition available. + Details
Name: | lea_PercentageToBePaidAtClosingForRedeemableNoncontrollingInterestTransaction
Namespace Prefix: | lea_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Current period adjustment resulting from gains and losses on intercompany foreign currency transactions that are of a long-term-investment nature, that is, settlement is not planned or anticipated in the foreseeable future. Resulting from the entities to the transaction being consolidated, combined, or accounted for by the equity method in the reporting entity's financial statements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 35 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121605123&loc=d3e30304-110892 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
Name: | us-gaap_AdjustmentForLongTermIntercompanyTransactionsGrossOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash outflow during the period for redemption of redeemable noncontrolling interests. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsForRepurchaseOfRedeemableNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
Name: | us-gaap_TreasuryStockAcquiredAverageCostPerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
Name: | us-gaap_TreasuryStockValueAcquiredCostMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_OwnershipAxis=lea_ShanghaiLearSTECAutomotivePartsCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_RetainedEarningsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |