Earnings Per Share and Common Stock - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions			1 Months Ended	3 Months Ended				6 Months Ended
	Aug. 03, 2026	Dec. 17, 2025	Jul. 31, 2024	Jun. 30, 2026	Mar. 31, 2026	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2026	Jun. 30, 2025	Aug. 31, 2021
Class of Stock [Line Items]
Common Stock Shares Issued Not Disclosed				true		true		true	true
Number of Authorized Shares Not Disclosed				true		true		true	true
Common stock outstanding (in shares)				400,000,000		404,000,000		400,000,000	404,000,000
Preferred stock outstanding (in shares)				0				0
Authorized repurchase amount			$ 3,500							$ 1,500
Increase in authorized amount			$ 2,000
Value of shares repurchased				$ 303		$ 176		$ 605	$ 302
Average price per share (in usd per share)				$ 250.61	$ 230.43	$ 142.36	$ 124.24	$ 240.10	$ 134.20
Stock repurchased and retired (in shares)				1,197,056	1,301,914	1,229,313	1,006,102	2,498,970	2,235,415
Excise tax				$ 3		$ 1		$ 5	$ 2
Subsequent Event
Class of Stock [Line Items]
Remaining authorized repurchase amount	$ 697
Value of shares repurchased	$ 200
Average price per share (in usd per share)	$ 276.61
Stock repurchased and retired (in shares)	700,000
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		0	0