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Revenue Recognition (Narrative) (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 USD ($) | Jun. 30, 2022 | Jun. 30, 2023 USD ($) segments | Jun. 30, 2022
Disaggregation of Revenue [Line Items] |  |  |  |
Number of operating segments | segments |  |  | 2 |
Revenue, remaining performance obligation, amount | $ 751 |  | $ 751 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-01 |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue, remaining performance obligation, amount | 276 |  | 276 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-07-01 |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue, remaining performance obligation, amount | $ 475 |  | $ 475 |
Transferred over Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from products and services | 15.00% | 13.00% | 15.00% | 12.00%
Transferred at Point in Time |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from products and services | 85.00% | 87.00% | 85.00% | 88.00%

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