Accounting Policies and Supplemental Disclosures - Digital Video and Music Content (Details) - USD ($) $ in Billions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Accounting Policies [Abstract]
Digital video and music content, capitalized costs	$ 21.5		$ 21.5		$ 19.6
Digital video and music content, expense	$ 5.5	$ 5.0	$ 15.7	$ 14.2