v3.22.0.1
Summary of Significant Accounting Policies - Investments (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Accounting Policies [Abstract]
Accrued interest, net of allowance for credit losses
$ 12
$ 13
X
- Definition
Debt Securities, Available-for-sale, Accrued Interest Net Of Credit Loss
+ References
No definition available.
+ Details
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Namespace Prefix:
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Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
us-gaap_AccountingPoliciesAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
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Period Type:
duration