Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	15 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax [Line Items]
Income taxes	$ 98	$ 196
Effective income tax rate	23.00%	21.00%
Unfavorable discrete items, percentage impact	2.00%
Payroll tax deferral from CARES Act through December 2020			$ 73
Payroll Taxes Paid	$ 37	$ 37

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration