Revenue Recognition - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	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