Debt Notes and Debentures (Details)	Mar. 31, 2022 USD ($)
SEC Debt Shelf Registration
Debt Instrument [Line Items]
Remaining Debt Securities Authorized by the Board	$ 2,550,000,000
Junior Subordinated Debt
Debt Instrument [Line Items]
Subordinated notes related to financial covenants	$ 500,000,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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