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Shareholders' Equity - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Jun. 30, 2024	Dec. 31, 2024
Class of Stock [Line Items]
Remaining authorized repurchase amount	$ 761
Common stock acquired - share repurchase (in shares)			8,600,000
Payment for share repurchases		$ 172
Preferred Stock, shares authorized (in shares)	100,000,000			100,000,000
Preferred Stock, amount of preferred dividends in arrears	$ 0

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