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Revenue Recognition - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 29, 2025 | Mar. 30, 2024
Disaggregation of Revenue [Line Items] |  |
Revenue recognized, included in beginning deferred contract liability balance | $ 10 | $ 10
Revenue from Contract with Customer Benchmark | Timing of Transfer of Goods or Services Concentration Risk | Transferred at Point in Time |  |
Disaggregation of Revenue [Line Items] |  |
Revenue recognized at a point in time (as a percent) | 97.00% | 98.00%
SleepIQ Technology | Minimum |  |
Disaggregation of Revenue [Line Items] |  |
Estimated product life (in years) | 4 years 6 months |
SleepIQ Technology | Maximum |  |
Disaggregation of Revenue [Line Items] |  |
Estimated product life (in years) | 5 years |

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