Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Debt - Additional Information (Details) - Senior unsecured debt - USD ($) $ in Millions	Mar. 13, 2020	Apr. 03, 2020	Jan. 03, 2020
Debt Instrument [Line Items]
Total debt		$ 500	$ 250
Floating rates notes 2023
Debt Instrument [Line Items]
Total debt		$ 250	$ 0
Floating rates notes 2023 \| London interbank offered rate (LIBOR)
Debt Instrument [Line Items]
Interest rate margin	0.75%