Revenue Recognition - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 28, 2024	Sep. 30, 2023	Sep. 28, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue recognized, included in beginning deferred contract liability balance	$ 10	$ 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	98.00%	98.00%	98.00%	98.00%
SleepIQ Technology | Minimum
Disaggregation of Revenue [Line Items]
Estimated product life			4 years 6 months
SleepIQ Technology | Maximum
Disaggregation of Revenue [Line Items]
Estimated product life			5 years