Debt Obligations (2033 Notes) (Details) $ in Millions	3 Months Ended
Mar. 31, 2022 USD ($)
Debt Instrument [Line Items]
Increase (decrease) in carrying amount	$ (54)
2033 Notes \| Senior Notes
Debt Instrument [Line Items]
Increase (decrease) in carrying amount	$ (19)

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.

No definition available.

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration