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Segments - Additional Information (Detail) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 USD ($) | Sep. 30, 2021 USD ($) Segment
Segment Reporting Information [Line Items] |  |
Number of reportable segments | Segment |  | 3
Restructure, Severance and Facility Closure Costs [Member] |  |
Segment Reporting Information [Line Items] |  |
Charges/ (reversals) | $ 24 | $ 67
Restructure, Severance, Facility Closure Costs and Post-Warranty Product Modification [Member] |  |
Segment Reporting Information [Line Items] |  |
Charges/ (reversals) | 8 | (27)
Post-Warranty Product Modification [Member] |  |
Segment Reporting Information [Line Items] |  |
Charges/ (reversals) | 8 | 8
Severance, Facility Closures And Other Items [Member] |  |
Segment Reporting Information [Line Items] |  |
Charges/ (reversals) | $ 24 | $ 48

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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