Stock Repurchases (Details) - USD ($) $ / shares in Units, $ in Billions	3 Months Ended					9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024	Feb. 18, 2025	Dec. 31, 2017
Class of Stock [Line Items]
Aggregate amount								$ 1
Repurchases of common stock (in shares)	270,834	1,175,905	1,377,294	132,063	615,288	2,824,033	747,351
Treasury stock acquired, average cost per share (in dollars per share)						$ 71.74	$ 89.49
Senior Secured Second Lien Notes due 2025 | Senior Notes
Class of Stock [Line Items]
Debt instrument, interest rate, stated percentage									11.00%