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Summary of Significant Accounting Policies - Narrative (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2023 USD ($) segment reporting_unit | Dec. 31, 2022 USD ($) | Dec. 31, 2021 | Dec. 31, 2019
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Number of reportable segments | segment | 4 |  |  |
Number of reporting units | reporting_unit | 4 |  |  |
Minimum percentage of estimated fair value of reporting unit to be less than carrying amount of goodwill | 50.00% |  |  |
Period required for impairment testing of reporting units | 3 years |  |  |
Deferred revenue | $ | $ 64 | $ 32 |  |
Businesses expected to be disposed within, years | 1 year |  |  |
Aerospace - Commercial | Revenue Benchmark | Customer Concentration Risk |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Concentration risk, percentage | 49.00% | 46.00% | 41.00% | 60.00%

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