Earnings Per Share - Schedule of Share Repurchase Activity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Earnings Per Share [Abstract]
Shares Repurchased (in shares)	11	3	23	41
Cost of Shares (Dollars in Millions)	$ 543	$ 112	$ 1,049	$ 1,264
Average Price Paid per Share (in dollars per share)	$ 48.75	$ 33.07	$ 45.42	$ 30.61
Excise Taxes Paid for Net Share Repurchases (Dollars in Millions)	$ 0	$ 0	$ 12	$ 20