Stockholders' Equity - Schedule of Accelerated Share Repurchases Agreement (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended		3 Months Ended					4 Months Ended	6 Months Ended
	Mar. 31, 2025	Dec. 31, 2024	Feb. 28, 2025	Nov. 30, 2024	Aug. 31, 2024	Feb. 29, 2024	Nov. 30, 2023	Mar. 31, 2025	Feb. 28, 2025	Nov. 30, 2024	Feb. 29, 2024
Share Repurchase Program [Line Items]
Total Shares Delivered (in shares)			0.7			6.5			2.5		6.5
Payments for repurchase of common stock									$ 636		$ 1,325
Accelerated Share Repurchase Program
Share Repurchase Program [Line Items]
Agreement Amount			$ 310		$ 555		$ 500		$ 310
Initial Shares Delivered (in shares)			1.8		4.2		3.3
Additional Shares Delivered (in shares)				1.0			0.6
Total Shares Delivered (in shares)							3.9			5.2
Average Price Paid Per Share (in dollars per share)							$ 128.61			$ 107.08
Value of shares repurchased		$ 310
Payments for repurchase of common stock		$ 310
Accelerated Share Repurchase Program | Subsequent event
Share Repurchase Program [Line Items]
Agreement Amount	$ 309							$ 309
Initial Shares Delivered (in shares)	1.8
Additional Shares Delivered (in shares)	0.2
Total Shares Delivered (in shares)								2.0
Average Price Paid Per Share (in dollars per share)	$ 135.99							$ 154.44
Value of shares repurchased	$ 309
Payments for repurchase of common stock	$ 309