Contingencies - Additional Information (Detail) $ in Millions			1 Months Ended	6 Months Ended
	Apr. 13, 2023 USD ($)	Aug. 23, 2018 Plaintiff	Oct. 31, 2022 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Aug. 31, 2017 USD ($)
Loss Contingencies [Line Items]
Other assets				$ 303.7	$ 273.6
Prepaid expenses and other current assets				233.4	$ 196.8
Assessment amount from tax administration service				11.7
Deductible for product liability insurance				12.5
Settlement amount				12.5
Deposit into settlement fund	$ 12.5
Putative Class Plaintiffs [Member]
Loss Contingencies [Line Items]
Number of plaintiffs | Plaintiff		4
Pending Litigation due to Plaintiffs Arbitration [Member]
Loss Contingencies [Line Items]
Number of plaintiffs | Plaintiff		4
SEC and DOJ Investigation [Member]
Loss Contingencies [Line Items]
Accrued liability				$ 123.0
Loss contingency compliance self-reporting obligations term				three-year
Herbalife International of America, Inc., [Member] | U.S. Federal Trade Commission [Member]
Loss Contingencies [Line Items]
Settlement amount paid for consent order				$ 200.0
Third-party monitoring by independent compliance auditor, period				7 years
Audit Period Fiscal Year March 31, 2017 [Member]
Loss Contingencies [Line Items]
Assessment amount from tax administration service				$ 17.7
Audit Period Fiscal Year March 31 2018 [Member]
Loss Contingencies [Line Items]
Assessment amount from tax administration service				17.2
Selling, General and Administrative Expenses [Member] | SEC and DOJ Investigation [Member]
Loss Contingencies [Line Items]
Accrued liability						$ 83.0	$ 40.0
Mexican Tax Administration Service [Member]
Loss Contingencies [Line Items]
Other assets				19.5
Prepaid expenses and other current assets				11.5
Other assets current and non current				8.0
Brazilian ICMS [Member]
Loss Contingencies [Line Items]
Assessment amount from tax administration service				3.7
Surety bond through insurance company to guarantee payment of tax assessment				12.7
Brazilian ICMS [Member] | State of Sao Paulo [Member]
Loss Contingencies [Line Items]
Assessment amount from tax administration service				33.1				$ 12.3
Brazilian ICMS [Member] | State of Rio de Janeiro [Member]
Loss Contingencies [Line Items]
Assessment amount from tax administration service				7.3
Indian VAT Authorities [Member]
Loss Contingencies [Line Items]
Assessment amount from tax administration service				12.5
South Korean Customs Authority [Member]
Loss Contingencies [Line Items]
Refund Assessed Amount			$ 25.0
South Korean Customs Authority [Member] | Audit Period May 2013 through December 2013 [Member]
Loss Contingencies [Line Items]
Assessment amount from tax administration service				8.8
South Korean Customs Authority [Member] | Audit Period January 2014 through December 2014 [Member]
Loss Contingencies [Line Items]
Assessment amount from tax administration service				13.6
South Korean Customs Authority [Member] | Audit Period January 2015 Through December 2017 [Member]
Loss Contingencies [Line Items]
Assessment amount from tax administration service				11.1
South Korean Customs Authority [Member] | Other Noncurrent Assets [Member] | Audit Period January 2011 through May 2013 [Member]
Loss Contingencies [Line Items]
Assessment amount from tax administration service				$ 25.0