Amount of tax expense (benefit) on gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
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Name:	us-gaap_DiscontinuedOperationTaxEffectOfIncomeLossFromDisposalOfDiscontinuedOperation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Supplemental Disclosures of Cash Flow Information and Non-Cash Financing and Investing Activities - Additional Information (Details) - USD ($) $ in Millions		3 Months Ended
	Mar. 15, 2023	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Supplemental Cash Flow Elements [Abstract]
Deferred federal income tax payments amounts due to Hurricane Idalia Tax Relief				$ 91
Payments of accrued federal income tax payments due	$ 31
Effect of foreign exchange rate changes on cash and cash equivalents inclusive of fiduciary cash		$ (11)	$ 14
Tax payments associated with gain on disposal of businesses sold		$ 30