Stock Repurchases (Details) - USD ($) $ / shares in Units, $ in Billions	3 Months Ended				6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024	Feb. 18, 2025	Dec. 31, 2017
Class of Stock [Line Items]
Aggregate amount							$ 1
Repurchases of common stock (in shares)	1,175,905	1,377,294	132,063	615,288	2,553,199	747,351
Treasury stock acquired, average cost per share (in dollars per share)					$ 71.73	$ 89.49
Senior Secured Second Lien Notes due 2025 | Senior Notes
Class of Stock [Line Items]
Debt instrument, interest rate, stated percentage								11.00%