The value (monetary amount) of the award the plaintiff seeks in the legal matter.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

Name:	us-gaap_LossContingencyDamagesSoughtValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Claims, Lawsuits And Other Contingencies (Details) - Jardine Lloyd Thompson Group plc case in Thousands, £ in Millions, $ in Millions	1 Months Ended	48 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2018 case	Mar. 31, 2022 USD ($)	Mar. 31, 2022 GBP (£)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 GBP (£)	Feb. 28, 2019 USD ($)	Feb. 28, 2019 GBP (£)
Loss Contingencies [Line Items]
Individual cases analyzed \| case		14
Loss contingency accrual			$ 13	£ 10	$ 210	£ 155	$ 77	£ 59
United States
Loss Contingencies [Line Items]
Loss contingency, damages sought, value	$ 29
Columbia
Loss Contingencies [Line Items]
Loss contingency, damages sought, value	$ 2