Segment Information - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Revenue	$ 1,504	$ 3,558	$ 4,279	$ 9,320
Corporate & Eliminations
Segment Reporting Information [Line Items]
Revenue	(15)	(65)	(10)	(238)
Corporate & Eliminations \| Bodybuilding.com
Segment Reporting Information [Line Items]
Revenue	$ 0	$ 24	$ 59	$ 24

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details