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Revenue Recognition - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Disaggregation of Revenue [Line Items]
Revenue recognized, included in beginning deferred contract liability balance	$ 7	$ 10	$ 28	$ 28
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%	98.00%	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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Revenue Recognition, Product Life

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