Earnings Per Share and Common Stock - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended		3 Months Ended
	Dec. 17, 2025	Apr. 30, 2026	Jul. 31, 2024	Mar. 31, 2026	Mar. 31, 2025	May 04, 2026	Aug. 31, 2021
Class of Stock [Line Items]
Common Stock Shares Issued Not Disclosed				true	true
Number of Authorized Shares Not Disclosed				true
Common stock outstanding (in shares)				401,000,000	404,000,000
Preferred stock outstanding (in shares)				0
Authorized repurchase amount			$ 3,500				$ 1,500
Increase in authorized amount			$ 2,000
Value of shares repurchased				$ 302	$ 126
Average price per share (in usd per share)				$ 230.43	$ 124.24
Stock repurchased and retired (in shares)				1,301,914	1,006,102
Excise tax				$ 2	$ 1
Subsequent Event
Class of Stock [Line Items]
Remaining authorized repurchase amount						$ 1,047
Value of shares repurchased		$ 150
Average price per share (in usd per share)		$ 246.18
Stock repurchased and retired (in shares)		600,000
Preferred Class A
Class of Stock [Line Items]
Preferred stock, dividend rate (in usd per share)	$ 3.75
Stock Options
Class of Stock [Line Items]
Number of anti-dilutive securities (in shares)				0	0