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Other Income, Net - Narrative (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Jun. 15, 2023	Jun. 30, 2023	Sep. 30, 2022	Jun. 30, 2023
Loss Contingencies [Line Items]
Reversal of previously recorded litigation amount	$ 25	$ 25		$ 25
Legal fees		$ 1		$ 1
Lehman Brothers International (Europe) (“LBIE”) Claims
Loss Contingencies [Line Items]
Loss contingency, provision			$ 65