Accounting Policies and Supplemental Disclosures - Video and Music Content (Details) - USD ($) $ in Billions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Accounting Policies [Abstract]
Digital video and music content, capitalized costs	$ 20.3		$ 19.6
Digital video and music content, expense	$ 5.1	$ 4.6