Stockholders' Equity - Dividends (Details) - USD ($) $ / shares in Units, $ in Millions	Sep. 07, 2021	Sep. 30, 2021	Sep. 30, 2020
Equity [Abstract]
Common Stock, Dividends, Per Share, Declared	$ 0.33
Dividends Payable		$ 85	$ 0

Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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Data Type:	xbrli:monetaryItemType
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